/live/media/AB/AB_XP26_Fro.jpg)
OE Quality
60-Day Returns
Autolite
Iridium Spark PlugAutolite XP26 Spark Plug
| Brand | Autolite XP26 |
|---|---|
| Resistance | 4000 |
| Ground Electrode Tip Design | Taper cut |
| 11589 | Metric |
| Ground Electrode Core Material | Nickel |
| Washer Included | No |
| Grade Type | Performance |
| Electrical Terminal Type | Non-removable nut |
| Center Electrode Core Material | Copper |
| Center Electrode Tip Material | Iridium |
| Ground Electrode Quantity | 1 |
| Hex Size | 5/8 |
| Insulator Height | 2.47 |
| Insulator Height | 62.7 |
| Manufacturer Heat Range | 7 |
| Seat Type | Tapered |
| Insulator Material | Ceramic |
| Resistor Type | Yes |
| Thread Size | M14 - 1.25 |
| Ground Electrode Tip Material | Platinum |
| Skirt | No |
| Hex Type | Hex |
| Center Electrode Design | Fine wire |
| 9746 | No |
| 9805 | Mid projection |
| Thread Diameter | 14 |
| Product line | Iridium Spark Plug |
| Fits | Buick, Cadillac, Chevrolet, Chrysler, Dodge, Ford, GMC, Jeep, Lincoln, Mercury, Oldsmobile, Plymouth, and Pontiac · 997 vehicles |
$13.28Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
Not what you need? See all Spark Plug options
Autolite XP26 Iridium Spark Plug Overview
Autolite XP26 is an iridium spark plug built for consistent ignition performance in a wide range of classic GM, Ford, Chrysler, Dodge, Buick, Oldsmobile, Pontiac, Cadillac, Lincoln, Mercury, and GMC applications. The fine-wire iridium center electrode and platinum ground electrode are engineered for durability, efficient combustion, and reliable starting.
For buyers searching for an Autolite XP26 iridium spark plug for older Chevrolet Camaro, Corvette, Caprice, or Ford Mustang applications, this part number delivers OE-style fitment with performance-focused electrode design.
Key Features
- Iridium fine-wire center electrode for strong ignitability
- Proprietary platinum ground electrode for added durability
- Taper-cut ground electrode tip to support efficient combustion
- Resistor design with 4,000 ohms resistance
- Ceramic insulator and copper core center electrode
- M14 x 1.25 thread size, tapered seat, 5/8 hex
- Manufacturer heat range 7
Product Line Details
Autolite Iridium XP spark plugs are positioned for drivers who want a performance-grade plug with long-life electrode materials. The XP26 combines an iridium center tip with a platinum ground electrode and a tapered ground wire profile to promote stable spark delivery, smoother combustion, and efficient engine operation.
Detailed Description
The Autolite XP26 spark plug is designed around a fine-wire iridium center electrode and a platinum ground electrode to improve durability and maintain consistent spark quality over time. Its tapered ground electrode shape helps concentrate the spark path, supporting better engine efficiency, acceleration response, fuel efficiency, and ignitability. With a resistor design and ceramic insulator, this plug is built for dependable secondary ignition performance in compatible vehicles.
This part cross-references DENSO Auto Parts 5330 for the same application.
Common Issues This Plug Can Address
- Hard starting caused by worn spark plug electrodes
- Rough idle from weak or inconsistent spark delivery
- Misfire conditions related to aged ignition components
- Reduced throttle response from inefficient combustion
- Fuel economy loss tied to degraded ignition performance
Installation Notes and Tips
Verify thread size, seat type, and heat range before installation. Check and set the gap to the vehicle specification listed for the application, and inspect ignition wires, coils, and distributor components at the same time. Fits 1977-1993 Chevrolet Camaro, N/A; Fits 1977-1993 Chevrolet Caprice, N/A; Fits 1977-1993 Chevrolet Corvette, N/A; Fits 1977-1993 Ford Mustang, N/A; Fits 1977-1993 Pontiac Firebird, N/A.
Additional confirmed applications include Fits 1977-1993 Cadillac Fleetwood, N/A and Fits 1977-1993 GMC Jimmy, N/A, along with many Buick, Oldsmobile, Lincoln, Mercury, Dodge, and Chrysler models listed in the fitment data.
Quality Assurance
Autolite manufactures the XP26 with iridium and platinum electrode materials selected for long-term ignition stability and durability. The plug’s performance-grade construction, resistor design, and tapered ground electrode reflect a focus on consistent operation in compatible secondary ignition systems.
This part fits 997 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1993 | Cadillac | Commercial Chassis | 5.7L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1993 | Cadillac | Fleetwood | — | — | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1993 | Chevrolet | Caprice | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1992 | Cadillac | Brougham | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1992 | Chevrolet | Camaro | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .035"/0.9mm; with Cast Iron Cylinder Head; Iridium Spark Plug |
| 1992 | Chevrolet | Camaro | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1992 | Chevrolet | Caprice | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1992 | Chevrolet | Commercial Chassis | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1992 | Oldsmobile | Custom Cruiser | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1992 | Pontiac | Firebird | 5.7L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1992 | Pontiac | Firebird | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1991 | Buick | Roadmaster | — | — | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1991 | Chevrolet | Camaro | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .035"/0.9mm; with Cast Iron Cylinder Head; Iridium Spark Plug |
| 1991 | Chevrolet | Camaro | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1991 | Chevrolet | Caprice | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1991 | Chevrolet | Commercial Chassis | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1991 | Chevrolet | Corvette | 5.7L | V8 | — | N/A | .035"/0.9mm; Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; with Cast Iron Cylinder Head; Iridium Spark Plug |
| 1991 | Oldsmobile | Custom Cruiser | — | — | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1991 | Pontiac | Firebird | 5.7L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1991 | Pontiac | Firebird | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1990 | Chevrolet | Camaro | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .035"/0.9mm; with Cast Iron Cylinder Head; Iridium Spark Plug |
| 1990 | Chevrolet | Camaro | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1990 | Chevrolet | Caprice | 4.3L | V6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1990 | Chevrolet | Caprice | 5.0L | V8 | — | N/A | Spark Plug with .035" Iridium Enhanced Center Electrode, V-trimmed Platinum side wire, and 0.6mm finewire design.; Iridium Spark Plug |
| 1990 | Chevrolet | Corvette | 5.7L | V8 | — | N/A | .035"/0.9mm; Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; with Cast Iron Cylinder Head; Iridium Spark Plug |
| 1990 | Pontiac | Firebird | 5.7L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1990 | Pontiac | Firebird | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1989 | Chevrolet | Camaro | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .035"/0.9mm; with Cast Iron Cylinder Head; Iridium Spark Plug |
| 1989 | Chevrolet | Camaro | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1989 | Chevrolet | Caprice | 5.7L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1989 | Chevrolet | Caprice | 4.3L | V6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1989 | Chevrolet | Caprice | 5.0L | V8 | — | N/A | Spark Plug with .035" Iridium Enhanced Center Electrode, V-trimmed Platinum side wire, and 0.6mm finewire design.; Iridium Spark Plug |
| 1989 | Chevrolet | Corvette | — | — | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .035"/0.9mm; with Cast Iron Cylinder Head; Iridium Spark Plug |
| 1989 | Pontiac | Firebird | 5.7L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1989 | Pontiac | Firebird | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1988 | Chevrolet | Camaro | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .035"/0.9mm; with Cast Iron Cylinder Head; Iridium Spark Plug |
| 1988 | Chevrolet | Camaro | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1988 | Chevrolet | Caprice | 4.3L | V6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1988 | Chevrolet | Caprice | 5.7L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1988 | Chevrolet | Caprice | 5.0L | V8 | — | N/A | Spark Plug with .035" Iridium Enhanced Center Electrode, V-trimmed Platinum side wire, and 0.6mm finewire design.; Iridium Spark Plug |
| 1988 | Chevrolet | Corvette | — | — | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .035"/0.9mm; with Cast Iron Cylinder Head; Iridium Spark Plug |
| 1988 | Chevrolet | Monte Carlo | 4.3L | V6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1988 | Chevrolet | Monte Carlo | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1988 | Pontiac | Firebird | 5.7L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1988 | Pontiac | Firebird | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1987 | Buick | Regal | 5.0L | V8 | — | N/A | Spark Plug with .035" Iridium Enhanced Center Electrode, V-trimmed Platinum side wire, and 0.6mm finewire design.; Iridium Spark Plug |
| 1987 | Chevrolet | Camaro | 5.0L | V8 | — | N/A | Spark Plug with .035" Iridium Enhanced Center Electrode, V-trimmed Platinum side wire, and 0.6mm finewire design.; Iridium Spark Plug |
| 1987 | Chevrolet | Caprice | 4.3L | V6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1987 | Chevrolet | Caprice | 5.7L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1987 | Chevrolet | Caprice | 5.0L | V8 | — | N/A | Spark Plug with .035" Iridium Enhanced Center Electrode, V-trimmed Platinum side wire, and 0.6mm finewire design.; Iridium Spark Plug |
| 1987 | Chevrolet | Corvette | — | — | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .035"/0.9mm; with Cast Iron Cylinder Head; Iridium Spark Plug |
| 1987 | Chevrolet | El Camino | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1987 | Chevrolet | Monte Carlo | 4.3L | V6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1987 | Chevrolet | Monte Carlo | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1987 | Dodge | B150 | 3.7L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1987 | Dodge | B250 | 3.7L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1987 | Dodge | D100 | 3.7L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1987 | Dodge | D150 | 3.7L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1987 | Dodge | D250 | 3.7L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1987 | Dodge | W100 | 3.7L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1987 | Dodge | W150 | 3.7L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1987 | Oldsmobile | Cutlass | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1987 | Oldsmobile | Cutlass Supreme | 5.0L | V8 | — | N/A | Spark Plug with .035" Iridium Enhanced Center Electrode, V-trimmed Platinum side wire, and 0.6mm finewire design.; Iridium Spark Plug |
| 1987 | Pontiac | Firebird | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1987 | Pontiac | Grand Prix | 4.3L | V6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1987 | Pontiac | Grand Prix | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1986 | Buick | Regal | 5.0L | V8 | — | N/A | .045"/1.1mm Iridium Enhanced Center Electrode, Proprietary V-trimmed Platinum side wire, 0.6mm finewire design.; Iridium Spark Plug |
| 1986 | Dodge | B150 | 3.7L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1986 | Dodge | B250 | 3.7L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1986 | Dodge | D100 | 3.7L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1986 | Dodge | D150 | 3.7L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1986 | Dodge | D250 | 3.7L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1986 | Dodge | W100 | 3.7L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1986 | Dodge | W150 | 3.7L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1986 | Oldsmobile | Cutlass | — | — | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1986 | Oldsmobile | Cutlass Supreme | 5.0L | V8 | — | N/A | .045"/1.1mm Iridium Enhanced Center Electrode, Proprietary V-trimmed Platinum side wire, 0.6mm finewire design.; Iridium Spark Plug |
| 1986 | Pontiac | Bonneville | 4.3L | V6 | — | N/A | Heat Range 7; Iridium XP Spark Plug |
| 1986 | Pontiac | Grand Prix | 4.3L | V6 | — | N/A | Heat Range 7; Iridium XP Spark Plug |
| 1986 | Pontiac | Parisienne | 4.3L | V6 | — | N/A | Heat Range 7; Iridium XP Spark Plug |
| 1985 | Buick | Regal | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1985 | Chevrolet | Camaro | 5.0L | V8 | — | N/A | .045"/1.1mm Iridium Enhanced Center Electrode, Proprietary V-trimmed Platinum side wire, 0.6mm finewire design.; Iridium Spark Plug |
| 1985 | Chevrolet | Caprice | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1985 | Chevrolet | El Camino | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1985 | Chevrolet | Impala | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1985 | Chevrolet | K5 Blazer | 5.7L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1985 | Chevrolet | K5 Blazer | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1985 | Chevrolet | Monte Carlo | 5.0L | V8 | — | N/A | .045"/1.1mm Iridium Enhanced Center Electrode, Proprietary V-trimmed Platinum side wire, 0.6mm finewire design.; Iridium Spark Plug |
| 1985 | Dodge | B150 | 3.7L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1985 | Dodge | B250 | 3.7L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1985 | Dodge | D100 | 3.7L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1985 | Dodge | D150 | 3.7L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1985 | Dodge | D250 | 3.7L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1985 | Dodge | W150 | 3.7L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1985 | Ford | LTD | 5.0L | V8 | — | N/A | .050"/1.3mm; Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; Iridium Spark Plug |
| 1985 | Ford | Mustang | 5.0L | V8 | — | N/A | .050"/1.3mm; Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; Iridium Spark Plug |
| 1985 | Ford | Thunderbird | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, 0.050"/1.3mm; Iridium Spark Plug |
| 1985 | GMC | C1500 Suburban | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1985 | GMC | C2500 | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1985 | GMC | C2500 Suburban | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1985 | GMC | Jimmy | 5.7L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1985 | GMC | Jimmy | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1985 | Lincoln | Continental | 5.0L | V8 | — | N/A | Iridium-enhanced center electrode with V-trimmed platinum side wire, 0.6mm finewire design, 0.044"/1.1mm gap size.; Iridium Spark Plug |
| 1985 | Lincoln | Mark VII | 5.0L | V8 | — | N/A | Spark Plug featuring a 0.044"/1.1mm Iridium Enhanced center electrode, V-trimmed Platinum side wire, and 0.6mm finewire design.; Iridium Spark Plug |
| 1985 | Lincoln | Town Car | — | — | — | N/A | Iridium-enhanced center electrode with V-trimmed platinum side wire, 0.6mm finewire design, 0.044"/1.1mm gap size.; Iridium Spark Plug |
| 1985 | Mercury | Cougar | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, 0.050"/1.3mm; Iridium Spark Plug |
| 1985 | Mercury | Grand Marquis | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, 0.050"/1.3mm; Iridium Spark Plug |
| 1985 | Oldsmobile | Cutlass | — | — | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1985 | Oldsmobile | Cutlass Supreme | 5.0L | V8 | — | N/A | .045"/1.1mm Iridium Enhanced Center Electrode, Proprietary V-trimmed Platinum side wire, 0.6mm finewire design.; Iridium Spark Plug |
| 1985 | Pontiac | Bonneville | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1985 | Pontiac | Firebird | 5.0L | V8 | — | N/A | .045"/1.1mm Iridium Enhanced Center Electrode, Proprietary V-trimmed Platinum side wire, 0.6mm finewire design.; Iridium Spark Plug |
| 1985 | Pontiac | Grand Prix | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1985 | Pontiac | Parisienne | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1984 | Buick | Regal | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1984 | Chevrolet | C10 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1984 | Chevrolet | C20 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1984 | Chevrolet | Camaro | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1984 | Chevrolet | Caprice | 3.8L | V6 | — | N/A | .045"/1.1mm Iridium Enhanced Center Electrode, Proprietary V-trimmed Platinum side wire, 0.6mm finewire design.; Iridium Spark Plug |
| 1984 | Chevrolet | Caprice | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1984 | Chevrolet | Corvette | — | — | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1984 | Chevrolet | El Camino | 3.8L | V6 | — | N/A | .045"/1.1mm Iridium Enhanced Center Electrode, Proprietary V-trimmed Platinum side wire, 0.6mm finewire design.; Iridium Spark Plug |
| 1984 | Chevrolet | El Camino | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1984 | Chevrolet | G10 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1984 | Chevrolet | G20 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1984 | Chevrolet | G30 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1984 | Chevrolet | Impala | 3.8L | V6 | — | N/A | .045"/1.1mm Iridium Enhanced Center Electrode, Proprietary V-trimmed Platinum side wire, 0.6mm finewire design.; Iridium Spark Plug |
| 1984 | Chevrolet | Impala | 5.7L | V8 | GAS | N/A | .045"/1.1mm Iridium Enhanced Center Electrode, Proprietary V-trimmed Platinum side wire, 0.6mm finewire design.; Iridium Spark Plug |
| 1984 | Chevrolet | Impala | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1984 | Chevrolet | K10 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1984 | Chevrolet | K5 Blazer | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045"/1.1mm; Light Duty; Iridium Spark Plug |
| 1984 | Chevrolet | Monte Carlo | 3.8L | V6 | — | N/A | .045"/1.1mm Iridium Enhanced Center Electrode, Proprietary V-trimmed Platinum side wire, 0.6mm finewire design.; Iridium Spark Plug |
| 1984 | Chevrolet | Monte Carlo | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1984 | Dodge | B150 | 3.7L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1984 | Dodge | B250 | 3.7L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1984 | Dodge | D150 | 3.7L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1984 | Dodge | D250 | 3.7L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1984 | Dodge | W150 | 3.7L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1984 | Ford | LTD | 5.0L | V8 | — | N/A | .050"/1.3mm; Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; Iridium Spark Plug |
| 1984 | Ford | Mustang | 5.0L | V8 | — | N/A | .050"/1.3mm; Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; Iridium Spark Plug |
| 1984 | Ford | Thunderbird | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, 0.050"/1.3mm; Iridium Spark Plug |
| 1984 | GMC | C1500 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1984 | GMC | C2500 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1984 | GMC | G1500 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1984 | GMC | G2500 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1984 | GMC | G3500 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1984 | GMC | Jimmy | 5.7L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1984 | GMC | K1500 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1984 | Lincoln | Continental | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, 0.050"/1.3mm; Iridium Spark Plug |
| 1984 | Lincoln | Mark VII | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, 0.050"/1.3mm; Iridium Spark Plug |
| 1984 | Lincoln | Town Car | — | — | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, 0.050"/1.3mm; Iridium Spark Plug |
| 1984 | Mercury | Cougar | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, 0.050"/1.3mm; Iridium Spark Plug |
| 1984 | Mercury | Grand Marquis | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, 0.050"/1.3mm; Iridium Spark Plug |
| 1984 | Oldsmobile | Cutlass Calais | 5.0L | V8 | — | N/A | .045"/1.1mm Iridium Enhanced Center Electrode, Proprietary V-trimmed Platinum side wire, 0.6mm finewire design.; Iridium Spark Plug |
| 1984 | Pontiac | Bonneville | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1984 | Pontiac | Firebird | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1984 | Pontiac | Grand Prix | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1984 | Pontiac | Parisienne | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1983 | Chevrolet | C10 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1983 | Chevrolet | C20 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1983 | Chevrolet | Camaro | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1983 | Chevrolet | Caprice | 3.8L | V6 | — | N/A | .045"/1.1mm Iridium Enhanced Center Electrode, Proprietary V-trimmed Platinum side wire, 0.6mm finewire design.; Iridium Spark Plug |
| 1983 | Chevrolet | Caprice | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1983 | Chevrolet | El Camino | 3.8L | V6 | — | N/A | .045"/1.1mm Iridium Enhanced Center Electrode, Proprietary V-trimmed Platinum side wire, 0.6mm finewire design.; Iridium Spark Plug |
| 1983 | Chevrolet | G10 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1983 | Chevrolet | G20 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1983 | Chevrolet | G30 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1983 | Chevrolet | Impala | 3.8L | V6 | — | N/A | .045"/1.1mm Iridium Enhanced Center Electrode, Proprietary V-trimmed Platinum side wire, 0.6mm finewire design.; Iridium Spark Plug |
| 1983 | Chevrolet | Impala | 5.7L | V8 | GAS | N/A | .045"/1.1mm Iridium Enhanced Center Electrode, Proprietary V-trimmed Platinum side wire, 0.6mm finewire design.; Iridium Spark Plug |
| 1983 | Chevrolet | Impala | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1983 | Chevrolet | K10 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1983 | Chevrolet | K5 Blazer | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045"/1.1mm; Light Duty; Iridium Spark Plug |
| 1983 | Chevrolet | Malibu | 3.8L | V6 | — | N/A | .045"/1.1mm Iridium Enhanced Center Electrode, Proprietary V-trimmed Platinum side wire, 0.6mm finewire design.; Iridium Spark Plug |
| 1983 | Chevrolet | Monte Carlo | 3.8L | V6 | — | N/A | .045"/1.1mm Iridium Enhanced Center Electrode, Proprietary V-trimmed Platinum side wire, 0.6mm finewire design.; Iridium Spark Plug |
| 1983 | Chrysler | Fifth Avenue | 3.7L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1983 | Dodge | B150 | 3.7L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1983 | Dodge | B250 | 3.7L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1983 | Dodge | D150 | 3.7L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1983 | Dodge | D250 | 3.7L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1983 | Dodge | W150 | 3.7L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1983 | Ford | LTD | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, 0.050"/1.3mm; Iridium Spark Plug |
| 1983 | Ford | Thunderbird | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, 0.050"/1.3mm; Iridium Spark Plug |
| 1983 | GMC | C1500 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1983 | GMC | C2500 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1983 | GMC | G1500 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1983 | GMC | G2500 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1983 | GMC | G3500 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1983 | GMC | Jimmy | 5.7L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1983 | GMC | K1500 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1983 | Lincoln | Continental | — | — | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, 0.050"/1.3mm; Iridium Spark Plug |
| 1983 | Lincoln | Mark VI | — | — | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, 0.050"/1.3mm; Iridium Spark Plug |
| 1983 | Lincoln | Town Car | — | — | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, 0.050"/1.3mm; Iridium Spark Plug |
| 1983 | Mercury | Cougar | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, 0.050"/1.3mm; Iridium Spark Plug |
| 1983 | Mercury | Grand Marquis | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, 0.050"/1.3mm; Iridium Spark Plug |
| 1983 | Oldsmobile | Cutlass Cruiser | 5.0L | V8 | — | N/A | .045"/1.1mm Iridium Enhanced Center Electrode, Proprietary V-trimmed Platinum side wire, 0.6mm finewire design.; Iridium Spark Plug |
| 1983 | Oldsmobile | Cutlass Supreme | 5.0L | V8 | — | N/A | .045"/1.1mm Iridium Enhanced Center Electrode, Proprietary V-trimmed Platinum side wire, 0.6mm finewire design.; Iridium Spark Plug |
| 1983 | Plymouth | PB150 | 3.7L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1983 | Plymouth | PB250 | 3.7L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1983 | Pontiac | Bonneville | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1983 | Pontiac | Firebird | 5.0L | V8 | — | N/A | .045"/1.1mm Iridium Enhanced Center Electrode, Proprietary V-trimmed Platinum side wire, 0.6mm finewire design.; Iridium Spark Plug |
| 1983 | Pontiac | Grand LeMans | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1983 | Pontiac | Grand Prix | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1983 | Pontiac | Parisienne | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1982 | Buick | LeSabre | 4.4L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1982 | Buick | Regal | 4.4L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1982 | Buick | Regal | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1982 | Chevrolet | C10 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1982 | Chevrolet | C20 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1982 | Chevrolet | Camaro | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1982 | Chevrolet | Caprice | 3.8L | V6 | — | N/A | .045"/1.1mm Iridium Enhanced Center Electrode, Proprietary V-trimmed Platinum side wire, 0.6mm finewire design.; Iridium Spark Plug |
| 1982 | Chevrolet | Caprice | 4.4L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1982 | Chevrolet | Caprice | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1982 | Chevrolet | Corvette | — | — | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1982 | Chevrolet | El Camino | 3.8L | V6 | — | N/A | .045"/1.1mm Iridium Enhanced Center Electrode, Proprietary V-trimmed Platinum side wire, 0.6mm finewire design.; Iridium Spark Plug |
| 1982 | Chevrolet | El Camino | 4.4L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1982 | Chevrolet | El Camino | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1982 | Chevrolet | G10 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1982 | Chevrolet | G20 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1982 | Chevrolet | G30 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1982 | Chevrolet | Impala | 3.8L | V6 | — | N/A | .045"/1.1mm Iridium Enhanced Center Electrode, Proprietary V-trimmed Platinum side wire, 0.6mm finewire design.; Iridium Spark Plug |
| 1982 | Chevrolet | Impala | 4.4L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1982 | Chevrolet | Impala | 5.7L | V8 | GAS | N/A | .045"/1.1mm Iridium Enhanced Center Electrode, Proprietary V-trimmed Platinum side wire, 0.6mm finewire design.; Iridium Spark Plug |
| 1982 | Chevrolet | Impala | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1982 | Chevrolet | K10 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1982 | Chevrolet | K5 Blazer | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1982 | Chevrolet | K5 Blazer | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045"/1.1mm; Light Duty; Iridium Spark Plug |
| 1982 | Chevrolet | Malibu | 3.8L | V6 | — | N/A | .045"/1.1mm Iridium Enhanced Center Electrode, Proprietary V-trimmed Platinum side wire, 0.6mm finewire design.; Iridium Spark Plug |
| 1982 | Chevrolet | Malibu | 4.4L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1982 | Chevrolet | Malibu | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1982 | Chevrolet | Monte Carlo | 3.8L | V6 | — | N/A | .045"/1.1mm Iridium Enhanced Center Electrode, Proprietary V-trimmed Platinum side wire, 0.6mm finewire design.; Iridium Spark Plug |
| 1982 | Chevrolet | Monte Carlo | 4.4L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1982 | Chevrolet | Monte Carlo | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1982 | Chrysler | New Yorker | 3.7L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1982 | Dodge | B150 | 3.7L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1982 | Dodge | B250 | 3.7L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1982 | Dodge | D150 | 3.7L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1982 | Dodge | D250 | 3.7L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1982 | Dodge | W150 | 3.7L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1982 | Ford | E-250 Econoline Club Wagon | 6.6L | V8 | — | N/A | Iridium-enhanced center electrode with V-trimmed platinum side wire, 0.6mm finewire design, 0.044"/1.1mm gap size.; Iridium Spark Plug |
| 1982 | Ford | E-350 Econoline | 6.6L | V8 | — | N/A | Iridium-enhanced center electrode with V-trimmed platinum side wire, 0.6mm finewire design, 0.044"/1.1mm gap size.; Iridium Spark Plug |
| 1982 | Ford | E-350 Econoline Club Wagon | 6.6L | V8 | — | N/A | Iridium-enhanced center electrode with V-trimmed platinum side wire, 0.6mm finewire design, 0.044"/1.1mm gap size.; Iridium Spark Plug |
| 1982 | Ford | F-250 | 6.6L | V8 | — | N/A | Iridium-enhanced center electrode with V-trimmed platinum side wire, 0.6mm finewire design, 0.044"/1.1mm gap size.; Iridium Spark Plug |
| 1982 | Ford | F-350 | 6.6L | V8 | — | N/A | Iridium-enhanced center electrode with V-trimmed platinum side wire, 0.6mm finewire design, 0.044"/1.1mm gap size.; Iridium Spark Plug |
| 1982 | Ford | Fairmont | 4.2L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, 0.050"/1.3mm; Iridium Spark Plug |
| 1982 | Ford | LTD | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, 0.050"/1.3mm; Iridium Spark Plug |
| 1982 | Ford | LTD | 4.2L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, 0.050"/1.3mm; Iridium Spark Plug |
| 1982 | Ford | Mustang | 4.2L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, 0.050"/1.3mm; Iridium Spark Plug |
| 1982 | Ford | Thunderbird | 4.2L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, 0.050"/1.3mm; Iridium Spark Plug |
| 1982 | GMC | C1500 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1982 | GMC | C2500 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1982 | GMC | G1500 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1982 | GMC | G2500 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1982 | GMC | G3500 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1982 | GMC | Jimmy | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1982 | GMC | Jimmy | 5.7L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1982 | GMC | K1500 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1982 | Lincoln | Continental | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, 0.050"/1.3mm; Iridium Spark Plug |
| 1982 | Lincoln | Mark VI | — | — | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, 0.050"/1.3mm; Iridium Spark Plug |
| 1982 | Lincoln | Town Car | — | — | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, 0.050"/1.3mm; Iridium Spark Plug |
| 1982 | Mercury | Capri | 4.2L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, 0.050"/1.3mm; Iridium Spark Plug |
| 1982 | Mercury | Cougar | 4.2L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, 0.050"/1.3mm; Iridium Spark Plug |
| 1982 | Mercury | Grand Marquis | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, 0.050"/1.3mm; Iridium Spark Plug |
| 1982 | Mercury | Grand Marquis | 4.2L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, 0.050"/1.3mm; Iridium Spark Plug |
| 1982 | Mercury | Marquis | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, 0.050"/1.3mm; Iridium Spark Plug |
| 1982 | Mercury | Marquis | 4.2L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, 0.050"/1.3mm; Iridium Spark Plug |
| 1982 | Mercury | Zephyr | 4.2L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, 0.050"/1.3mm; Iridium Spark Plug |
| 1982 | Oldsmobile | Cutlass Calais | 4.4L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1982 | Oldsmobile | Cutlass Cruiser | 4.4L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1982 | Oldsmobile | Cutlass Cruiser | 5.0L | V8 | — | N/A | .045"/1.1mm Iridium Enhanced Center Electrode, Proprietary V-trimmed Platinum side wire, 0.6mm finewire design.; Iridium Spark Plug |
| 1982 | Oldsmobile | Cutlass Supreme | 4.4L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1982 | Oldsmobile | Delta 88 | 4.4L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1982 | Plymouth | PB150 | — | — | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1982 | Plymouth | PB250 | 3.7L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1982 | Pontiac | Firebird | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1982 | Pontiac | Grand LeMans | 4.4L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1982 | Pontiac | Grand LeMans | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1982 | Pontiac | Grand Prix | 4.4L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1982 | Pontiac | Parisienne | 4.4L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1982 | Pontiac | Parisienne | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1981 | Buick | Century | 4.4L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1981 | Buick | Century | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1981 | Buick | Regal | 4.4L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1981 | Buick | Regal | 3.8L | V6 | — | N/A | .040"/1.0mm; Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; Iridium Spark Plug |
| 1981 | Buick | Riviera | 3.8L | V6 | — | N/A | Iridium-enhanced center electrode with V-trimmed platinum side wire, 0.6mm finewire design, .040"/1.0mm; Iridium Spark Plug |
| 1981 | Chevrolet | Bel Air | 4.4L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1981 | Chevrolet | Bel Air | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1981 | Chevrolet | C10 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1981 | Chevrolet | C20 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1981 | Chevrolet | Camaro | 3.8L | V6 | — | N/A | .045"/1.1mm Iridium Enhanced Center Electrode, Proprietary V-trimmed Platinum side wire, 0.6mm finewire design.; Iridium Spark Plug |
| 1981 | Chevrolet | Camaro | 4.4L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1981 | Chevrolet | Camaro | 5.7L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1981 | Chevrolet | Camaro | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1981 | Chevrolet | Caprice | 3.8L | V6 | — | N/A | .045"/1.1mm Iridium Enhanced Center Electrode, Proprietary V-trimmed Platinum side wire, 0.6mm finewire design.; Iridium Spark Plug |
| 1981 | Chevrolet | Caprice | 4.4L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1981 | Chevrolet | Caprice | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1981 | Chevrolet | Corvette | — | — | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1981 | Chevrolet | El Camino | 3.8L | V6 | — | N/A | .045"/1.1mm Iridium Enhanced Center Electrode, Proprietary V-trimmed Platinum side wire, 0.6mm finewire design.; Iridium Spark Plug |
| 1981 | Chevrolet | El Camino | 4.4L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1981 | Chevrolet | El Camino | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1981 | Chevrolet | G10 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1981 | Chevrolet | G20 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1981 | Chevrolet | G30 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1981 | Chevrolet | Impala | 3.8L | V6 | — | N/A | .045"/1.1mm Iridium Enhanced Center Electrode, Proprietary V-trimmed Platinum side wire, 0.6mm finewire design.; Iridium Spark Plug |
| 1981 | Chevrolet | Impala | 4.4L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1981 | Chevrolet | Impala | 5.7L | V8 | GAS | N/A | .045"/1.1mm Iridium Enhanced Center Electrode, Proprietary V-trimmed Platinum side wire, 0.6mm finewire design.; Iridium Spark Plug |
| 1981 | Chevrolet | Impala | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1981 | Chevrolet | K10 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1981 | Chevrolet | K5 Blazer | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1981 | Chevrolet | K5 Blazer | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045"/1.1mm; Light Duty; Iridium Spark Plug |
| 1981 | Chevrolet | K5 Blazer | 5.0L | V8 | — | N/A | .045"/1.1mm Iridium Enhanced Center Electrode, Proprietary V-trimmed Platinum side wire, 0.6mm finewire design.; Iridium Spark Plug |
| 1981 | Chevrolet | Malibu | 3.8L | V6 | — | N/A | .045"/1.1mm Iridium Enhanced Center Electrode, Proprietary V-trimmed Platinum side wire, 0.6mm finewire design.; Iridium Spark Plug |
| 1981 | Chevrolet | Malibu | 4.4L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1981 | Chevrolet | Malibu | 5.7L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1981 | Chevrolet | Malibu | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1981 | Chevrolet | Monte Carlo | 3.8L | V6 | — | N/A | .045"/1.1mm Iridium Enhanced Center Electrode, Proprietary V-trimmed Platinum side wire, 0.6mm finewire design.; Iridium Spark Plug |
| 1981 | Chevrolet | Monte Carlo | 4.4L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1981 | Chevrolet | Monte Carlo | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1981 | Chevrolet | Monte Carlo | 3.8L | V6 | — | N/A | .040"/1.0mm; Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; Iridium Spark Plug |
| 1981 | Chrysler | LeBaron | 3.7L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1981 | Chrysler | Newport | 3.7L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1981 | Chrysler | Town & Country | 3.7L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1981 | Dodge | B150 | 3.7L | L6 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .035"/0.9mm; Light Duty; Iridium Spark Plug |
| 1981 | Dodge | B250 | 3.7L | L6 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .035"/0.9mm; Light Duty; Iridium Spark Plug |
| 1981 | Dodge | D150 | 3.7L | L6 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .035"/0.9mm; Light Duty; Iridium Spark Plug |
| 1981 | Dodge | D250 | 3.7L | L6 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .035"/0.9mm; Light Duty; Iridium Spark Plug |
| 1981 | Dodge | W150 | 3.7L | L6 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .035"/0.9mm; Light Duty; Iridium Spark Plug |
| 1981 | Ford | E-250 Econoline Club Wagon | 6.6L | V8 | — | N/A | Iridium-enhanced center electrode with V-trimmed platinum side wire, 0.6mm finewire design, 0.044"/1.1mm gap size.; Iridium Spark Plug |
| 1981 | Ford | E-350 Econoline | 6.6L | V8 | — | N/A | Iridium-enhanced center electrode with V-trimmed platinum side wire, 0.6mm finewire design, 0.044"/1.1mm gap size.; Iridium Spark Plug |
| 1981 | Ford | E-350 Econoline Club Wagon | 6.6L | V8 | — | N/A | Iridium-enhanced center electrode with V-trimmed platinum side wire, 0.6mm finewire design, 0.044"/1.1mm gap size.; Iridium Spark Plug |
| 1981 | Ford | Fairmont | 4.2L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, 0.050"/1.3mm; Iridium Spark Plug |
| 1981 | Ford | LTD | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, 0.050"/1.3mm; Iridium Spark Plug |
| 1981 | Ford | LTD | 5.8L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, 0.050"/1.3mm; Iridium Spark Plug |
| 1981 | Ford | LTD | 4.2L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, 0.050"/1.3mm; Iridium Spark Plug |
| 1981 | Ford | Mustang | 4.2L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, 0.050"/1.3mm; Iridium Spark Plug |
| 1981 | Ford | Thunderbird | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, 0.050"/1.3mm; Iridium Spark Plug |
| 1981 | Ford | Thunderbird | 4.2L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, 0.050"/1.3mm; Iridium Spark Plug |
| 1981 | GMC | C1500 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1981 | GMC | C1500 Suburban | 5.0L | V8 | — | N/A | .045"/1.1mm Iridium Enhanced Center Electrode, Proprietary V-trimmed Platinum side wire, 0.6mm finewire design.; Iridium Spark Plug |
| 1981 | GMC | C2500 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1981 | GMC | C2500 | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1981 | GMC | G1500 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1981 | GMC | G2500 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1981 | GMC | Jimmy | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1981 | GMC | Jimmy | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045"/1.1mm; Light Duty; Iridium Spark Plug |
| 1981 | GMC | Jimmy | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1981 | GMC | K1500 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1981 | Lincoln | Mark VI | — | — | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, 0.050"/1.3mm; Iridium Spark Plug |
| 1981 | Lincoln | Town Car | — | — | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, 0.050"/1.3mm; Iridium Spark Plug |
| 1981 | Mercury | Capri | 4.2L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, 0.050"/1.3mm; Iridium Spark Plug |
| 1981 | Mercury | Cougar | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, 0.050"/1.3mm; Iridium Spark Plug |
| 1981 | Mercury | Cougar | 4.2L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, 0.050"/1.3mm; Iridium Spark Plug |
| 1981 | Mercury | Grand Marquis | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, 0.050"/1.3mm; Iridium Spark Plug |
| 1981 | Mercury | Grand Marquis | 5.8L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, 0.050"/1.3mm; Iridium Spark Plug |
| 1981 | Mercury | Grand Marquis | 4.2L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, 0.050"/1.3mm; Iridium Spark Plug |
| 1981 | Mercury | Marquis | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, 0.050"/1.3mm; Iridium Spark Plug |
| 1981 | Mercury | Marquis | 5.8L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, 0.050"/1.3mm; Iridium Spark Plug |
| 1981 | Mercury | Marquis | 4.2L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, 0.050"/1.3mm; Iridium Spark Plug |
| 1981 | Mercury | Zephyr | 4.2L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, 0.050"/1.3mm; Iridium Spark Plug |
| 1981 | Oldsmobile | Cutlass | 4.4L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1981 | Oldsmobile | Delta 88 | 4.4L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1981 | Plymouth | PB150 | 3.7L | L6 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .035"/0.9mm; Light Duty; Iridium Spark Plug |
| 1981 | Plymouth | PB250 | 3.7L | L6 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .035"/0.9mm; Light Duty; Iridium Spark Plug |
| 1981 | Pontiac | Catalina | 4.4L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1981 | Pontiac | Catalina | 5.0L | V8 | — | N/A | .045"/1.1mm Iridium Enhanced Center Electrode, Proprietary V-trimmed Platinum side wire, 0.6mm finewire design.; Iridium Spark Plug |
| 1981 | Pontiac | Firebird | 4.4L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1981 | Pontiac | Firebird | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1981 | Pontiac | Grand LeMans | 4.4L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1981 | Pontiac | Grand LeMans | 3.8L | V6 | — | N/A | .045"/1.1mm Iridium Enhanced Center Electrode, Proprietary V-trimmed Platinum side wire, 0.6mm finewire design.; Iridium Spark Plug |
| 1981 | Pontiac | Grand LeMans | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1981 | Pontiac | Grand Prix | 4.4L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1981 | Pontiac | Laurentian | 4.4L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1981 | Pontiac | Laurentian | 5.0L | V8 | — | N/A | .045"/1.1mm Iridium Enhanced Center Electrode, Proprietary V-trimmed Platinum side wire, 0.6mm finewire design.; Iridium Spark Plug |
| 1981 | Pontiac | LeMans | 4.4L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1981 | Pontiac | LeMans | 3.8L | V6 | — | N/A | .045"/1.1mm Iridium Enhanced Center Electrode, Proprietary V-trimmed Platinum side wire, 0.6mm finewire design.; Iridium Spark Plug |
| 1981 | Pontiac | LeMans | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1981 | Pontiac | Parisienne | 4.4L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1981 | Pontiac | Parisienne | 5.0L | V8 | — | N/A | .045"/1.1mm Iridium Enhanced Center Electrode, Proprietary V-trimmed Platinum side wire, 0.6mm finewire design.; Iridium Spark Plug |
| 1980 | Buick | Century | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1980 | Buick | Century | 3.8L | V6 | — | N/A | .040"/1.0mm; Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; Iridium Spark Plug |
| 1980 | Buick | LeSabre | 3.8L | V6 | — | N/A | .040"/1.0mm; Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; Iridium Spark Plug |
| 1980 | Buick | Regal | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1980 | Buick | Regal | 3.8L | V6 | — | N/A | .040"/1.0mm; Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; Iridium Spark Plug |
| 1980 | Buick | Riviera | 3.8L | V6 | — | N/A | Iridium-enhanced center electrode with V-trimmed platinum side wire, 0.6mm finewire design, .040"/1.0mm; Iridium Spark Plug |
| 1980 | Buick | Riviera | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1980 | Chevrolet | C10 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1980 | Chevrolet | C10 | 7.4L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045"/1.1mm; Light Duty; Iridium Spark Plug |
| 1980 | Chevrolet | C10 | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045"/1.1mm; Light Duty; Iridium Spark Plug |
| 1980 | Chevrolet | C10 Suburban | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1980 | Chevrolet | C10 Suburban | 7.4L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045"/1.1mm; Light Duty; Iridium Spark Plug |
| 1980 | Chevrolet | C20 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1980 | Chevrolet | C20 | 7.4L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045"/1.1mm; Light Duty; Iridium Spark Plug |
| 1980 | Chevrolet | C20 | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045"/1.1mm; Light Duty; Iridium Spark Plug |
| 1980 | Chevrolet | C20 Suburban | 7.4L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045"/1.1mm; Light Duty; Iridium Spark Plug |
| 1980 | Chevrolet | C20 Suburban | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045"/1.1mm; Light Duty; Iridium Spark Plug |
| 1980 | Chevrolet | C30 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1980 | Chevrolet | C30 | 7.4L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045"/1.1mm; Light Duty; Iridium Spark Plug |
| 1980 | Chevrolet | Camaro | 3.8L | V6 | — | N/A | .045"/1.1mm Iridium Enhanced Center Electrode, Proprietary V-trimmed Platinum side wire, 0.6mm finewire design.; Iridium Spark Plug |
| 1980 | Chevrolet | Camaro | 4.4L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1980 | Chevrolet | Camaro | 5.7L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1980 | Chevrolet | Camaro | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1980 | Chevrolet | Caprice | 3.8L | V6 | — | N/A | .045"/1.1mm Iridium Enhanced Center Electrode, Proprietary V-trimmed Platinum side wire, 0.6mm finewire design.; Iridium Spark Plug |
| 1980 | Chevrolet | Caprice | 4.4L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1980 | Chevrolet | Caprice | 5.7L | V8 | GAS | N/A | .045"/1.1mm Iridium Enhanced Center Electrode, Proprietary V-trimmed Platinum side wire, 0.6mm finewire design.; Iridium Spark Plug |
| 1980 | Chevrolet | Caprice | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1980 | Chevrolet | Corvette | 5.7L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1980 | Chevrolet | Corvette | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1980 | Chevrolet | El Camino | 3.8L | V6 | — | N/A | .045"/1.1mm Iridium Enhanced Center Electrode, Proprietary V-trimmed Platinum side wire, 0.6mm finewire design.; Iridium Spark Plug |
| 1980 | Chevrolet | El Camino | 4.4L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1980 | Chevrolet | El Camino | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1980 | Chevrolet | G10 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1980 | Chevrolet | G20 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1980 | Chevrolet | G20 | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045"/1.1mm; Light Duty; Iridium Spark Plug |
| 1980 | Chevrolet | G30 | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045"/1.1mm; Light Duty; Iridium Spark Plug |
| 1980 | Chevrolet | Impala | 3.8L | V6 | — | N/A | .045"/1.1mm Iridium Enhanced Center Electrode, Proprietary V-trimmed Platinum side wire, 0.6mm finewire design.; Iridium Spark Plug |
| 1980 | Chevrolet | Impala | 4.4L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1980 | Chevrolet | Impala | 5.7L | V8 | GAS | N/A | .045"/1.1mm Iridium Enhanced Center Electrode, Proprietary V-trimmed Platinum side wire, 0.6mm finewire design.; Iridium Spark Plug |
| 1980 | Chevrolet | Impala | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1980 | Chevrolet | K10 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1980 | Chevrolet | K10 | 7.4L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045"/1.1mm; Light Duty; Iridium Spark Plug |
| 1980 | Chevrolet | K10 | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045"/1.1mm; Light Duty; Iridium Spark Plug |
| 1980 | Chevrolet | K10 Suburban | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1980 | Chevrolet | K20 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1980 | Chevrolet | K20 | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045"/1.1mm; Light Duty; Iridium Spark Plug |
| 1980 | Chevrolet | K20 Suburban | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045"/1.1mm; Light Duty; Iridium Spark Plug |
| 1980 | Chevrolet | K30 | 7.4L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045"/1.1mm; Light Duty; Iridium Spark Plug |
| 1980 | Chevrolet | K30 | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045"/1.1mm; Light Duty; Iridium Spark Plug |
| 1980 | Chevrolet | K5 Blazer | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1980 | Chevrolet | K5 Blazer | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045"/1.1mm; Light Duty; Iridium Spark Plug |
| 1980 | Chevrolet | K5 Blazer | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1980 | Chevrolet | Malibu | 3.8L | V6 | — | N/A | .045"/1.1mm Iridium Enhanced Center Electrode, Proprietary V-trimmed Platinum side wire, 0.6mm finewire design.; Iridium Spark Plug |
| 1980 | Chevrolet | Malibu | 4.4L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1980 | Chevrolet | Malibu | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1980 | Chevrolet | Monte Carlo | 3.8L | V6 | — | N/A | .045"/1.1mm Iridium Enhanced Center Electrode, Proprietary V-trimmed Platinum side wire, 0.6mm finewire design.; Iridium Spark Plug |
| 1980 | Chevrolet | Monte Carlo | 4.4L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1980 | Chevrolet | Monte Carlo | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1980 | Chevrolet | Monte Carlo | 3.8L | V6 | — | N/A | .040"/1.0mm; Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; Iridium Spark Plug |
| 1980 | Chevrolet | P30 | 7.4L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045"/1.1mm; Light Duty; Iridium Spark Plug |
| 1980 | Chrysler | LeBaron | 3.7L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1980 | Chrysler | Newport | 3.7L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1980 | Chrysler | Town & Country | 3.7L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1980 | Dodge | Aspen | 3.7L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1980 | Dodge | B100 | 3.7L | L6 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .035"/0.9mm; Light Duty; Iridium Spark Plug |
| 1980 | Dodge | B200 | 3.7L | L6 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .035"/0.9mm; Light Duty; Iridium Spark Plug |
| 1980 | Dodge | B300 | 3.7L | L6 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .035"/0.9mm; Light Duty; Iridium Spark Plug |
| 1980 | Dodge | D150 | 3.7L | L6 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .035"/0.9mm; Light Duty; Iridium Spark Plug |
| 1980 | Dodge | D200 | 3.7L | L6 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .035"/0.9mm; Light Duty; Iridium Spark Plug |
| 1980 | Dodge | Ramcharger | 3.7L | L6 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .035"/0.9mm; Light Duty; Iridium Spark Plug |
| 1980 | Dodge | W150 | 3.7L | L6 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .035"/0.9mm; Light Duty; Iridium Spark Plug |
| 1980 | Dodge | W200 | 3.7L | L6 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .035"/0.9mm; Light Duty; Iridium Spark Plug |
| 1980 | Ford | Bronco | 5.8L | V8 | — | N/A | Iridium-enhanced center electrode with V-trimmed platinum side wire, 0.6mm finewire design, 0.044"/1.1mm gap size.; Iridium Spark Plug |
| 1980 | Ford | E-100 Econoline | 5.8L | V8 | — | N/A | Iridium-enhanced center electrode with V-trimmed platinum side wire, 0.6mm finewire design, 0.044"/1.1mm gap size.; Iridium Spark Plug |
| 1980 | Ford | E-100 Econoline | 6.6L | V8 | — | N/A | Iridium-enhanced center electrode with V-trimmed platinum side wire, 0.6mm finewire design, 0.044"/1.1mm gap size.; Iridium Spark Plug |
| 1980 | Ford | E-100 Econoline Club Wagon | 5.8L | V8 | — | N/A | Iridium-enhanced center electrode with V-trimmed platinum side wire, 0.6mm finewire design, 0.044"/1.1mm gap size.; Iridium Spark Plug |
| 1980 | Ford | E-150 Econoline | 5.8L | V8 | — | N/A | Iridium-enhanced center electrode with V-trimmed platinum side wire, 0.6mm finewire design, 0.044"/1.1mm gap size.; Iridium Spark Plug |
| 1980 | Ford | E-150 Econoline Club Wagon | 5.8L | V8 | — | N/A | Iridium-enhanced center electrode with V-trimmed platinum side wire, 0.6mm finewire design, 0.044"/1.1mm gap size.; Iridium Spark Plug |
| 1980 | Ford | E-250 Econoline | 5.8L | V8 | — | N/A | Iridium-enhanced center electrode with V-trimmed platinum side wire, 0.6mm finewire design, 0.044"/1.1mm gap size.; Iridium Spark Plug |
| 1980 | Ford | E-250 Econoline | 6.6L | V8 | — | N/A | Iridium-enhanced center electrode with V-trimmed platinum side wire, 0.6mm finewire design, 0.044"/1.1mm gap size.; Iridium Spark Plug |
| 1980 | Ford | E-250 Econoline Club Wagon | 5.8L | V8 | — | N/A | Iridium-enhanced center electrode with V-trimmed platinum side wire, 0.6mm finewire design, 0.044"/1.1mm gap size.; Iridium Spark Plug |
| 1980 | Ford | E-250 Econoline Club Wagon | 6.6L | V8 | — | N/A | Iridium-enhanced center electrode with V-trimmed platinum side wire, 0.6mm finewire design, 0.044"/1.1mm gap size.; Iridium Spark Plug |
| 1980 | Ford | E-350 Econoline | 5.8L | V8 | — | N/A | Iridium-enhanced center electrode with V-trimmed platinum side wire, 0.6mm finewire design, 0.044"/1.1mm gap size.; Iridium Spark Plug |
| 1980 | Ford | E-350 Econoline | 6.6L | V8 | — | N/A | Iridium-enhanced center electrode with V-trimmed platinum side wire, 0.6mm finewire design, 0.044"/1.1mm gap size.; Iridium Spark Plug |
| 1980 | Ford | E-350 Econoline Club Wagon | 5.8L | V8 | — | N/A | Iridium-enhanced center electrode with V-trimmed platinum side wire, 0.6mm finewire design, 0.044"/1.1mm gap size.; Iridium Spark Plug |
| 1980 | Ford | E-350 Econoline Club Wagon | 6.6L | V8 | — | N/A | Iridium-enhanced center electrode with V-trimmed platinum side wire, 0.6mm finewire design, 0.044"/1.1mm gap size.; Iridium Spark Plug |
| 1980 | Ford | F-150 | 5.8L | V8 | — | N/A | Iridium-enhanced center electrode with V-trimmed platinum side wire, 0.6mm finewire design, 0.044"/1.1mm gap size.; Iridium Spark Plug |
| 1980 | Ford | F-250 | 5.8L | V8 | — | N/A | Iridium-enhanced center electrode with V-trimmed platinum side wire, 0.6mm finewire design, 0.044"/1.1mm gap size.; Iridium Spark Plug |
| 1980 | Ford | F-250 | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; Over 8,500 GVW; .044"/1.1mm; Iridium Spark Plug |
| 1980 | Ford | F-350 | 5.8L | V8 | — | N/A | Iridium-enhanced center electrode with V-trimmed platinum side wire, 0.6mm finewire design, 0.044"/1.1mm gap size.; Iridium Spark Plug |
| 1980 | Ford | F-350 | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; Over 8,500 GVW; .044"/1.1mm; Iridium Spark Plug |
| 1980 | Ford | Fairmont | 5.0L | V8 | — | N/A | To 02/01/1979; Iridium XP Spark Plug |
| 1980 | Ford | LTD | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, 0.050"/1.3mm; Iridium Spark Plug |
| 1980 | Ford | LTD | 5.8L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, 0.050"/1.3mm; Iridium Spark Plug |
| 1980 | Ford | Thunderbird | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, 0.050"/1.3mm; Iridium Spark Plug |
| 1980 | GMC | C1500 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1980 | GMC | C1500 | 7.4L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045"/1.1mm; Light Duty; Iridium Spark Plug |
| 1980 | GMC | C1500 | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045"/1.1mm; Light Duty; Iridium Spark Plug |
| 1980 | GMC | C1500 Suburban | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1980 | GMC | C1500 Suburban | 7.4L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045"/1.1mm; Light Duty; Iridium Spark Plug |
| 1980 | GMC | C2500 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1980 | GMC | C2500 | 7.4L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045"/1.1mm; Light Duty; Iridium Spark Plug |
| 1980 | GMC | C2500 | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1980 | GMC | C2500 Suburban | 7.4L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045"/1.1mm; Light Duty; Iridium Spark Plug |
| 1980 | GMC | C2500 Suburban | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045"/1.1mm; Light Duty; Iridium Spark Plug |
| 1980 | GMC | C3500 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1980 | GMC | C3500 | 7.4L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045"/1.1mm; Light Duty; Iridium Spark Plug |
| 1980 | GMC | G1500 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1980 | GMC | G2500 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1980 | GMC | Jimmy | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1980 | GMC | Jimmy | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045"/1.1mm; Light Duty; Iridium Spark Plug |
| 1980 | GMC | Jimmy | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1980 | GMC | K1500 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1980 | GMC | K1500 | 7.4L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045"/1.1mm; Light Duty; Iridium Spark Plug |
| 1980 | GMC | K1500 | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045"/1.1mm; Light Duty; Iridium Spark Plug |
| 1980 | GMC | K1500 Suburban | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1980 | GMC | K1500 Suburban | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045"/1.1mm; Light Duty; Iridium Spark Plug |
| 1980 | GMC | K2500 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, .035"/0.9mm.; Iridium Spark Plug |
| 1980 | GMC | K2500 | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045"/1.1mm; Light Duty; Iridium Spark Plug |
| 1980 | GMC | K2500 Suburban | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045"/1.1mm; Light Duty; Iridium Spark Plug |
| 1980 | GMC | K3500 | 7.4L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045"/1.1mm; Light Duty; Iridium Spark Plug |
| 1980 | GMC | K3500 | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045"/1.1mm; Light Duty; Iridium Spark Plug |
| 1980 | Lincoln | Continental | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, 0.050"/1.3mm; Iridium Spark Plug |
| 1980 | Lincoln | Continental | 5.8L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, 0.050"/1.3mm; Iridium Spark Plug |
| 1980 | Lincoln | Mark VI | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, 0.050"/1.3mm; Iridium Spark Plug |
| 1980 | Lincoln | Mark VI | 5.8L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, 0.050"/1.3mm; Iridium Spark Plug |
| 1980 | Lincoln | Versailles | — | — | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, 0.050"/1.3mm; Iridium Spark Plug |
| 1980 | Mercury | Cougar | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, 0.050"/1.3mm; Iridium Spark Plug |
| 1980 | Mercury | Grand Marquis | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, 0.050"/1.3mm; Iridium Spark Plug |
| 1980 | Mercury | Grand Marquis | 5.8L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, 0.050"/1.3mm; Iridium Spark Plug |
| 1980 | Mercury | Marquis | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, 0.050"/1.3mm; Iridium Spark Plug |
| 1980 | Mercury | Marquis | 5.8L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, 0.050"/1.3mm; Iridium Spark Plug |
| 1980 | Mercury | Monarch | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with V-trimmed platinum side wire and 0.6mm finewire design, 0.050"/1.3mm; Iridium Spark Plug |
| 1980 | Oldsmobile | Cutlass | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1980 | Oldsmobile | Cutlass Calais | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1980 | Oldsmobile | Cutlass Cruiser | 5.0L | V8 | — | N/A | .045"/1.1mm Iridium Enhanced Center Electrode, Proprietary V-trimmed Platinum side wire, 0.6mm finewire design.; Iridium Spark Plug |
| 1980 | Oldsmobile | Cutlass Salon | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1980 | Oldsmobile | Cutlass Supreme | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1980 | Pontiac | Catalina | 4.4L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1980 | Pontiac | Catalina | 3.8L | V6 | — | N/A | .045"/1.1mm Iridium Enhanced Center Electrode, Proprietary V-trimmed Platinum side wire, 0.6mm finewire design.; Iridium Spark Plug |
| 1980 | Pontiac | Catalina | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1980 | Pontiac | Firebird | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1980 | Pontiac | Grand Am | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1980 | Pontiac | Grand LeMans | 3.8L | V6 | — | N/A | .045"/1.1mm Iridium Enhanced Center Electrode, Proprietary V-trimmed Platinum side wire, 0.6mm finewire design.; Iridium Spark Plug |
| 1980 | Pontiac | Grand LeMans | 4.4L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1980 | Pontiac | Grand LeMans | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1980 | Pontiac | Grand Prix | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1980 | Pontiac | Laurentian | 4.4L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1980 | Pontiac | Laurentian | 3.8L | V6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1980 | Pontiac | Laurentian | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1980 | Pontiac | LeMans | 3.8L | V6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1980 | Pontiac | LeMans | 4.4L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1980 | Pontiac | LeMans | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1980 | Pontiac | Parisienne | 4.4L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1980 | Pontiac | Parisienne | 3.8L | V6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1980 | Pontiac | Parisienne | 5.0L | V8 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire and 0.6mm finewire design; .045"/1.1mm; Iridium Spark Plug |
| 1979 | Buick | Century | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1979 | Buick | Century | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1979 | Buick | Regal | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1979 | Buick | Skylark | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1979 | Buick | Skylark | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1979 | Chevrolet | C10 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire, 0.6mm finewire design, .035 gap.; Iridium Spark Plug |
| 1979 | Chevrolet | C10 | 7.4L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1979 | Chevrolet | C10 | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1979 | Chevrolet | C10 | 5.7L | V8 | — | N/A | .045 Gap; Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; Light Duty; Iridium Spark Plug |
| 1979 | Chevrolet | C10 | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1979 | Chevrolet | C10 Suburban | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire, 0.6mm finewire design, .035 gap.; Iridium Spark Plug |
| 1979 | Chevrolet | C10 Suburban | 7.4L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1979 | Chevrolet | C10 Suburban | 5.7L | V8 | — | N/A | .045 Gap; Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; Light Duty; Iridium Spark Plug |
| 1979 | Chevrolet | C10 Suburban | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1979 | Chevrolet | C20 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire, 0.6mm finewire design, .035 gap.; Iridium Spark Plug |
| 1979 | Chevrolet | C20 | 7.4L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1979 | Chevrolet | C20 | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1979 | Chevrolet | C20 | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1979 | Chevrolet | C20 Suburban | 7.4L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1979 | Chevrolet | C20 Suburban | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1979 | Chevrolet | C20 Suburban | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1979 | Chevrolet | C20 Suburban | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1979 | Chevrolet | C30 | 7.4L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1979 | Chevrolet | C30 | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1979 | Chevrolet | Camaro | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire, 0.6mm finewire design, .035 gap.; Iridium Spark Plug |
| 1979 | Chevrolet | Camaro | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1979 | Chevrolet | Camaro | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1979 | Chevrolet | Caprice | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire, 0.6mm finewire design, .035 gap.; Iridium Spark Plug |
| 1979 | Chevrolet | Caprice | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1979 | Chevrolet | Caprice | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1979 | Chevrolet | Corvette | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1979 | Chevrolet | El Camino | 4.4L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1979 | Chevrolet | El Camino | 3.3L | V6 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1979 | Chevrolet | El Camino | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1979 | Chevrolet | El Camino | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1979 | Chevrolet | G10 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire, 0.6mm finewire design, .035 gap.; Iridium Spark Plug |
| 1979 | Chevrolet | G10 | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1979 | Chevrolet | G10 | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1979 | Chevrolet | G20 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire, 0.6mm finewire design, .035 gap.; Iridium Spark Plug |
| 1979 | Chevrolet | G20 | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1979 | Chevrolet | G20 | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1979 | Chevrolet | G30 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire, 0.6mm finewire design, .035 gap.; Iridium Spark Plug |
| 1979 | Chevrolet | G30 | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1979 | Chevrolet | G30 | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1979 | Chevrolet | G30 | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1979 | Chevrolet | Impala | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire, 0.6mm finewire design, .035 gap.; Iridium Spark Plug |
| 1979 | Chevrolet | Impala | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1979 | Chevrolet | Impala | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1979 | Chevrolet | K10 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire, 0.6mm finewire design, .035 gap.; Iridium Spark Plug |
| 1979 | Chevrolet | K10 | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1979 | Chevrolet | K10 | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1979 | Chevrolet | K10 Suburban | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire, 0.6mm finewire design, .035 gap.; Iridium Spark Plug |
| 1979 | Chevrolet | K10 Suburban | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1979 | Chevrolet | K10 Suburban | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1979 | Chevrolet | K10 Suburban | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1979 | Chevrolet | K20 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire, 0.6mm finewire design, .035 gap.; Iridium Spark Plug |
| 1979 | Chevrolet | K20 | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1979 | Chevrolet | K20 | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1979 | Chevrolet | K20 Suburban | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1979 | Chevrolet | K20 Suburban | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1979 | Chevrolet | K30 | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1979 | Chevrolet | K30 | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1979 | Chevrolet | K5 Blazer | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire, 0.6mm finewire design, .035 gap.; Iridium Spark Plug |
| 1979 | Chevrolet | K5 Blazer | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1979 | Chevrolet | K5 Blazer | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1979 | Chevrolet | K5 Blazer | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1979 | Chevrolet | Malibu | 4.4L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1979 | Chevrolet | Malibu | 3.3L | V6 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1979 | Chevrolet | Malibu | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1979 | Chevrolet | Malibu | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1979 | Chevrolet | Monte Carlo | 4.4L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1979 | Chevrolet | Monte Carlo | 3.3L | V6 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1979 | Chevrolet | Monte Carlo | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1979 | Chevrolet | Monza | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1979 | Chevrolet | Nova | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire, 0.6mm finewire design, .035 gap.; Iridium Spark Plug |
| 1979 | Chevrolet | Nova | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1979 | Chevrolet | Nova | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1979 | Chevrolet | P10 | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1979 | Chevrolet | P20 | 7.4L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1979 | Chevrolet | P20 | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1979 | Chevrolet | P30 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire, 0.6mm finewire design, .035 gap.; Iridium Spark Plug |
| 1979 | Chevrolet | P30 | 7.4L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1979 | Chevrolet | P30 | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1979 | Chrysler | LeBaron | 3.7L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire, 0.6mm finewire design, .035 gap.; Iridium Spark Plug |
| 1979 | Chrysler | Newport | 3.7L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire, 0.6mm finewire design, .035 gap.; Iridium Spark Plug |
| 1979 | Chrysler | Town & Country | 3.7L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire, 0.6mm finewire design, .035 gap.; Iridium Spark Plug |
| 1979 | Dodge | Aspen | 3.7L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire, 0.6mm finewire design, .035 gap.; Iridium Spark Plug |
| 1979 | Dodge | B100 | 3.7L | L6 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .035 Gap; Light Duty; Iridium Spark Plug |
| 1979 | Dodge | B200 | 3.7L | L6 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .035"/0.9mm; Light Duty; Iridium Spark Plug |
| 1979 | Dodge | B300 | 3.7L | L6 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .035"/0.9mm; Light Duty; Iridium Spark Plug |
| 1979 | Dodge | D100 | 3.7L | L6 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .035 Gap; Light Duty; Iridium Spark Plug |
| 1979 | Dodge | D150 | 3.7L | L6 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .035 Gap; Light Duty; Iridium Spark Plug |
| 1979 | Dodge | D200 | 3.7L | L6 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .035 Gap; Light Duty; Iridium Spark Plug |
| 1979 | Dodge | Ramcharger | 3.7L | L6 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .035 Gap; Light Duty; Iridium Spark Plug |
| 1979 | Dodge | W150 | 3.7L | L6 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .035 Gap; Light Duty; Iridium Spark Plug |
| 1979 | Dodge | W200 | 3.7L | L6 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .035 Gap; Light Duty; Iridium Spark Plug |
| 1979 | Ford | Fairmont | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; To 2/1/79; .050 Gap; Iridium Spark Plug |
| 1979 | Ford | LTD | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; To 2/1/79; .050 Gap; Iridium Spark Plug |
| 1979 | Ford | LTD | 5.8L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .050 Gap; Iridium Spark Plug |
| 1979 | Ford | Mustang | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; To 2/1/79; .050 Gap; Iridium Spark Plug |
| 1979 | Ford | Thunderbird | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; To 2/1/79; .050 Gap; Iridium Spark Plug |
| 1979 | Ford | Thunderbird | 5.8L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .050 Gap; Iridium Spark Plug |
| 1979 | GMC | C1500 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire, 0.6mm finewire design, .035 gap.; Iridium Spark Plug |
| 1979 | GMC | C1500 | 7.4L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1979 | GMC | C1500 | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1979 | GMC | C1500 | 5.7L | V8 | — | N/A | .045 Gap; Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; Light Duty; Iridium Spark Plug |
| 1979 | GMC | C1500 | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1979 | GMC | C1500 Suburban | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire, 0.6mm finewire design, .035 gap.; Iridium Spark Plug |
| 1979 | GMC | C1500 Suburban | 7.4L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1979 | GMC | C1500 Suburban | 5.7L | V8 | — | N/A | .045 Gap; Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; Light Duty; Iridium Spark Plug |
| 1979 | GMC | C1500 Suburban | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1979 | GMC | C2500 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire, 0.6mm finewire design, .035 gap.; Iridium Spark Plug |
| 1979 | GMC | C2500 | 7.4L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1979 | GMC | C2500 | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1979 | GMC | C2500 | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1979 | GMC | C2500 Suburban | 7.4L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1979 | GMC | C2500 Suburban | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1979 | GMC | C3500 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire, 0.6mm finewire design, .035 gap.; Iridium Spark Plug |
| 1979 | GMC | C3500 | 7.4L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1979 | GMC | C3500 | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1979 | GMC | C3500 | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1979 | GMC | G1500 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire, 0.6mm finewire design, .035 gap.; Iridium Spark Plug |
| 1979 | GMC | G1500 | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1979 | GMC | G1500 | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1979 | GMC | G1500 | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1979 | GMC | G2500 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire, 0.6mm finewire design, .035 gap.; Iridium Spark Plug |
| 1979 | GMC | G2500 | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1979 | GMC | G2500 | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1979 | GMC | G3500 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire, 0.6mm finewire design, .035 gap.; Iridium Spark Plug |
| 1979 | GMC | G3500 | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1979 | GMC | G3500 | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1979 | GMC | Jimmy | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire, 0.6mm finewire design, .035 gap.; Iridium Spark Plug |
| 1979 | GMC | Jimmy | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1979 | GMC | Jimmy | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1979 | GMC | Jimmy | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1979 | GMC | K1500 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire, 0.6mm finewire design, .035 gap.; Iridium Spark Plug |
| 1979 | GMC | K1500 | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1979 | GMC | K1500 | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1979 | GMC | K1500 Suburban | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire, 0.6mm finewire design, .035 gap.; Iridium Spark Plug |
| 1979 | GMC | K1500 Suburban | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1979 | GMC | K1500 Suburban | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1979 | GMC | K1500 Suburban | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1979 | GMC | K2500 | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1979 | GMC | K2500 | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1979 | GMC | K2500 Suburban | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1979 | GMC | K2500 Suburban | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1979 | GMC | K3500 | 7.4L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1979 | GMC | K3500 | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1979 | GMC | K3500 | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1979 | GMC | P1500 | 7.4L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1979 | GMC | P2500 | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1979 | GMC | P3500 | 7.4L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1979 | GMC | P3500 | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1979 | Lincoln | Continental | — | — | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .050 Gap; Iridium Spark Plug |
| 1979 | Lincoln | Versailles | — | — | — | N/A | Except California; Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .050 Gap; Iridium Spark Plug |
| 1979 | Mercury | Capri | 5.0L | V8 | — | N/A | Except California; Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .050 Gap; Iridium Spark Plug |
| 1979 | Mercury | Cougar | 5.0L | V8 | — | N/A | Except California; Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .050 Gap; Iridium Spark Plug |
| 1979 | Mercury | Cougar | 5.8L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .050 Gap; Iridium Spark Plug |
| 1979 | Mercury | Grand Marquis | 5.0L | V8 | — | N/A | Except California; Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .050 Gap; Iridium Spark Plug |
| 1979 | Mercury | Grand Marquis | 5.8L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .050 Gap; Iridium Spark Plug |
| 1979 | Mercury | Marquis | 5.0L | V8 | — | N/A | Except California; Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .050 Gap; Iridium Spark Plug |
| 1979 | Mercury | Marquis | 5.8L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .050 Gap; Iridium Spark Plug |
| 1979 | Mercury | Monarch | 5.0L | V8 | — | N/A | Except California; Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .050 Gap; Iridium Spark Plug |
| 1979 | Mercury | Zephyr | 5.0L | V8 | — | N/A | Except California; Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .050 Gap; Iridium Spark Plug |
| 1979 | Oldsmobile | Cutlass | 5.7L | V8 | GAS | N/A | .045 Gap; Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; Iridium Spark Plug |
| 1979 | Oldsmobile | Cutlass | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1979 | Oldsmobile | Cutlass Calais | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1979 | Oldsmobile | Cutlass Salon | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1979 | Oldsmobile | Cutlass Supreme | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1979 | Oldsmobile | Omega | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1979 | Oldsmobile | Omega | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1979 | Oldsmobile | Starfire | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1979 | Pontiac | Catalina | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire, 0.6mm finewire design, .035 gap.; Iridium Spark Plug |
| 1979 | Pontiac | Firebird | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1979 | Pontiac | Firebird | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1979 | Pontiac | Grand Am | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1979 | Pontiac | Grand LeMans | 4.4L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1979 | Pontiac | Grand LeMans | 3.3L | V6 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1979 | Pontiac | Grand LeMans | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1979 | Pontiac | Grand LeMans | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1979 | Pontiac | Grand Prix | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1979 | Pontiac | Laurentian | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1979 | Pontiac | Laurentian | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire, 0.6mm finewire design, .035 gap.; Iridium Spark Plug |
| 1979 | Pontiac | Laurentian | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1979 | Pontiac | LeMans | 4.4L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1979 | Pontiac | LeMans | 3.3L | V6 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1979 | Pontiac | LeMans | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1979 | Pontiac | LeMans | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1979 | Pontiac | Parisienne | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire, 0.6mm finewire design, .035 gap.; Iridium Spark Plug |
| 1979 | Pontiac | Parisienne | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1979 | Pontiac | Parisienne | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1979 | Pontiac | Phoenix | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1979 | Pontiac | Phoenix | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1979 | Pontiac | Sunbird | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1978 | Buick | Century | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1978 | Buick | Century | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1978 | Buick | LeSabre | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1978 | Buick | Regal | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1978 | Buick | Skylark | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1978 | Buick | Skylark | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1978 | Chevrolet | C10 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire, 0.6mm finewire design, .035 gap.; Iridium Spark Plug |
| 1978 | Chevrolet | C10 | 7.4L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1978 | Chevrolet | C10 | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1978 | Chevrolet | C10 | 5.7L | V8 | — | N/A | .045 Gap; Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; Light Duty; Iridium Spark Plug |
| 1978 | Chevrolet | C10 | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1978 | Chevrolet | C10 Suburban | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire, 0.6mm finewire design, .035 gap.; Iridium Spark Plug |
| 1978 | Chevrolet | C10 Suburban | 7.4L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1978 | Chevrolet | C10 Suburban | 5.7L | V8 | — | N/A | .045 Gap; Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; Light Duty; Iridium Spark Plug |
| 1978 | Chevrolet | C10 Suburban | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1978 | Chevrolet | C20 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire, 0.6mm finewire design, .035 gap.; Iridium Spark Plug |
| 1978 | Chevrolet | C20 | 7.4L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1978 | Chevrolet | C20 | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1978 | Chevrolet | C20 | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1978 | Chevrolet | C20 | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1978 | Chevrolet | C20 Suburban | 7.4L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1978 | Chevrolet | C20 Suburban | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1978 | Chevrolet | C20 Suburban | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1978 | Chevrolet | C20 Suburban | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1978 | Chevrolet | C30 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire, 0.6mm finewire design, .035 gap.; Iridium Spark Plug |
| 1978 | Chevrolet | C30 | 7.4L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1978 | Chevrolet | C30 | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1978 | Chevrolet | C30 | 5.7L | V8 | — | N/A | .045 Gap; Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; Light Duty; Iridium Spark Plug |
| 1978 | Chevrolet | C30 | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1978 | Chevrolet | Camaro | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire, 0.6mm finewire design, .035 gap.; Iridium Spark Plug |
| 1978 | Chevrolet | Camaro | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1978 | Chevrolet | Camaro | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1978 | Chevrolet | Caprice | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire, 0.6mm finewire design, .035 gap.; Iridium Spark Plug |
| 1978 | Chevrolet | Caprice | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1978 | Chevrolet | Caprice | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1978 | Chevrolet | Corvette | — | — | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1978 | Chevrolet | El Camino | 3.3L | V6 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1978 | Chevrolet | El Camino | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1978 | Chevrolet | El Camino | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1978 | Chevrolet | G10 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire, 0.6mm finewire design, .035 gap.; Iridium Spark Plug |
| 1978 | Chevrolet | G10 | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1978 | Chevrolet | G10 | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1978 | Chevrolet | G20 | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1978 | Chevrolet | G20 | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1978 | Chevrolet | G30 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire, 0.6mm finewire design, .035 gap.; Iridium Spark Plug |
| 1978 | Chevrolet | G30 | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1978 | Chevrolet | G30 | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1978 | Chevrolet | G30 | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1978 | Chevrolet | Impala | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire, 0.6mm finewire design, .035 gap.; Iridium Spark Plug |
| 1978 | Chevrolet | Impala | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1978 | Chevrolet | Impala | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1978 | Chevrolet | K10 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire, 0.6mm finewire design, .035 gap.; Iridium Spark Plug |
| 1978 | Chevrolet | K10 | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1978 | Chevrolet | K10 | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1978 | Chevrolet | K10 | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1978 | Chevrolet | K10 Suburban | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire, 0.6mm finewire design, .035 gap.; Iridium Spark Plug |
| 1978 | Chevrolet | K10 Suburban | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1978 | Chevrolet | K10 Suburban | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1978 | Chevrolet | K10 Suburban | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1978 | Chevrolet | K20 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire, 0.6mm finewire design, .035 gap.; Iridium Spark Plug |
| 1978 | Chevrolet | K20 | 7.4L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1978 | Chevrolet | K20 | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1978 | Chevrolet | K20 | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1978 | Chevrolet | K20 | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1978 | Chevrolet | K20 Suburban | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1978 | Chevrolet | K20 Suburban | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1978 | Chevrolet | K20 Suburban | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1978 | Chevrolet | K30 | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1978 | Chevrolet | K30 | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1978 | Chevrolet | K5 Blazer | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire, 0.6mm finewire design, .035 gap.; Iridium Spark Plug |
| 1978 | Chevrolet | K5 Blazer | 7.4L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1978 | Chevrolet | K5 Blazer | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1978 | Chevrolet | K5 Blazer | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1978 | Chevrolet | K5 Blazer | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1978 | Chevrolet | Malibu | 3.3L | V6 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1978 | Chevrolet | Malibu | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1978 | Chevrolet | Malibu | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1978 | Chevrolet | Monte Carlo | 3.3L | V6 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1978 | Chevrolet | Monte Carlo | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1978 | Chevrolet | Monza | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1978 | Chevrolet | Nova | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire, 0.6mm finewire design, .035 gap.; Iridium Spark Plug |
| 1978 | Chevrolet | Nova | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1978 | Chevrolet | Nova | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1978 | Chevrolet | P10 | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1978 | Chevrolet | P20 | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1978 | Chevrolet | P30 | 7.4L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1978 | Chevrolet | P30 | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1978 | Chrysler | LeBaron | 3.7L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire, 0.6mm finewire design, .035 gap.; Iridium Spark Plug |
| 1978 | Chrysler | Town & Country | 3.7L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire, 0.6mm finewire design, .035 gap.; Iridium Spark Plug |
| 1978 | Dodge | Aspen | 3.7L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire, 0.6mm finewire design, .035 gap.; Iridium Spark Plug |
| 1978 | Dodge | B100 | 3.7L | L6 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .035 Gap; Light Duty; Iridium Spark Plug |
| 1978 | Dodge | B200 | 3.7L | L6 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .035"/0.9mm; Light Duty; Iridium Spark Plug |
| 1978 | Dodge | B300 | 3.7L | L6 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .035"/0.9mm; Light Duty; Iridium Spark Plug |
| 1978 | Dodge | D100 | 3.7L | L6 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .035 Gap; Light Duty; Iridium Spark Plug |
| 1978 | Dodge | D150 | 3.7L | L6 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .035 Gap; Light Duty; Iridium Spark Plug |
| 1978 | Dodge | D200 | 3.7L | L6 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .035 Gap; Light Duty; Iridium Spark Plug |
| 1978 | Dodge | D300 | 3.7L | L6 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .035 Gap; Light Duty; Iridium Spark Plug |
| 1978 | Dodge | Monaco | 3.7L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire, 0.6mm finewire design, .035 gap.; Iridium Spark Plug |
| 1978 | Dodge | Ramcharger | 3.7L | L6 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .035 Gap; Light Duty; Iridium Spark Plug |
| 1978 | Dodge | W150 | 3.7L | L6 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .035 Gap; Light Duty; Iridium Spark Plug |
| 1978 | Dodge | W200 | 3.7L | L6 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .035 Gap; Light Duty; Iridium Spark Plug |
| 1978 | Dodge | W300 | 3.7L | L6 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .035 Gap; Light Duty; Iridium Spark Plug |
| 1978 | Ford | Fairmont | 5.0L | V8 | — | N/A | Except California; Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .050 Gap; Iridium Spark Plug |
| 1978 | Ford | LTD | 5.0L | V8 | — | N/A | Except California; Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .050 Gap; Iridium Spark Plug |
| 1978 | Ford | LTD | 5.8L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .050 Gap; Iridium Spark Plug |
| 1978 | Ford | LTD | 7.5L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .050 Gap; Iridium Spark Plug |
| 1978 | Ford | LTD | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .050 Gap; Iridium Spark Plug |
| 1978 | Ford | Thunderbird | 5.0L | V8 | — | N/A | Except California; Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .050 Gap; Iridium Spark Plug |
| 1978 | Ford | Thunderbird | 5.8L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .050 Gap; Iridium Spark Plug |
| 1978 | Ford | Thunderbird | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .050 Gap; Iridium Spark Plug |
| 1978 | GMC | G15 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire, 0.6mm finewire design, .035 gap.; Iridium Spark Plug |
| 1978 | GMC | G15 | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1978 | GMC | G15 | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1978 | GMC | G25 | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1978 | GMC | G25 | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1978 | GMC | G35 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire, 0.6mm finewire design, .035 gap.; Iridium Spark Plug |
| 1978 | GMC | G35 | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1978 | GMC | G35 | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1978 | GMC | Jimmy | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire, 0.6mm finewire design, .035 gap.; Iridium Spark Plug |
| 1978 | GMC | Jimmy | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1978 | GMC | Jimmy | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1978 | GMC | Jimmy | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1978 | Lincoln | Continental | 7.5L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .050 Gap; Iridium Spark Plug |
| 1978 | Lincoln | Continental | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .050 Gap; Iridium Spark Plug |
| 1978 | Lincoln | Versailles | — | — | — | N/A | Except California; Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .050 Gap; Iridium Spark Plug |
| 1978 | Mercury | Cougar | 5.0L | V8 | — | N/A | Except California; Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .050 Gap; Iridium Spark Plug |
| 1978 | Mercury | Cougar | 5.8L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .050 Gap; Iridium Spark Plug |
| 1978 | Mercury | Cougar | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .050 Gap; Iridium Spark Plug |
| 1978 | Mercury | Grand Marquis | 5.8L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .050 Gap; Iridium Spark Plug |
| 1978 | Mercury | Grand Marquis | 7.5L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .050 Gap; Iridium Spark Plug |
| 1978 | Mercury | Grand Marquis | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .050 Gap; Iridium Spark Plug |
| 1978 | Mercury | Marquis | 5.8L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .050 Gap; Iridium Spark Plug |
| 1978 | Mercury | Marquis | 7.5L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .050 Gap; Iridium Spark Plug |
| 1978 | Mercury | Marquis | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .050 Gap; Iridium Spark Plug |
| 1978 | Mercury | Monarch | 5.0L | V8 | — | N/A | Except California; Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .050 Gap; Iridium Spark Plug |
| 1978 | Mercury | Zephyr | 5.0L | V8 | — | N/A | Except California; Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .050 Gap; Iridium Spark Plug |
| 1978 | Oldsmobile | Cutlass | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1978 | Oldsmobile | Cutlass | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1978 | Oldsmobile | Cutlass Calais | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1978 | Oldsmobile | Cutlass Salon | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1978 | Oldsmobile | Cutlass Supreme | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1978 | Oldsmobile | Cutlass Supreme | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1978 | Oldsmobile | Omega | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1978 | Oldsmobile | Omega | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1978 | Oldsmobile | Starfire | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1978 | Pontiac | Catalina | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire, 0.6mm finewire design, .035 gap.; Iridium Spark Plug |
| 1978 | Pontiac | Firebird | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1978 | Pontiac | Firebird | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1978 | Pontiac | Grand Am | 4.9L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1978 | Pontiac | Grand Am | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1978 | Pontiac | Grand LeMans | 3.3L | V6 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1978 | Pontiac | Grand LeMans | 3.8L | V6 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1978 | Pontiac | Grand LeMans | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1978 | Pontiac | Grand LeMans | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1978 | Pontiac | Grand Prix | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1978 | Pontiac | Laurentian | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1978 | Pontiac | Laurentian | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire, 0.6mm finewire design, .035 gap.; Iridium Spark Plug |
| 1978 | Pontiac | Laurentian | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1978 | Pontiac | LeMans | 3.3L | V6 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1978 | Pontiac | LeMans | 3.8L | V6 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1978 | Pontiac | LeMans | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1978 | Pontiac | LeMans | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1978 | Pontiac | Parisienne | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire, 0.6mm finewire design, .035 gap.; Iridium Spark Plug |
| 1978 | Pontiac | Parisienne | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1978 | Pontiac | Parisienne | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1978 | Pontiac | Phoenix | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1978 | Pontiac | Phoenix | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1978 | Pontiac | Sunbird | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1977 | Buick | Century | 5.7L | V8 | — | N/A | .045 Gap; Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; Iridium Spark Plug |
| 1977 | Buick | Century | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1977 | Buick | Regal | 5.7L | V8 | — | N/A | .045 Gap; Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; Iridium Spark Plug |
| 1977 | Buick | Regal | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1977 | Buick | Skylark | 5.7L | V8 | — | N/A | .045 Gap; Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; Iridium Spark Plug |
| 1977 | Buick | Skylark | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1977 | Chevrolet | C10 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire, 0.6mm finewire design, .035 gap.; Iridium Spark Plug |
| 1977 | Chevrolet | C10 | 7.4L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1977 | Chevrolet | C10 | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1977 | Chevrolet | C10 | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1977 | Chevrolet | C10 | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1977 | Chevrolet | C10 Suburban | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire, 0.6mm finewire design, .035 gap.; Iridium Spark Plug |
| 1977 | Chevrolet | C10 Suburban | 7.4L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1977 | Chevrolet | C10 Suburban | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1977 | Chevrolet | C10 Suburban | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1977 | Chevrolet | C20 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire, 0.6mm finewire design, .035 gap.; Iridium Spark Plug |
| 1977 | Chevrolet | C20 | 7.4L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1977 | Chevrolet | C20 | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1977 | Chevrolet | C20 | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1977 | Chevrolet | C20 | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1977 | Chevrolet | C20 Suburban | 7.4L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1977 | Chevrolet | C20 Suburban | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1977 | Chevrolet | C20 Suburban | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1977 | Chevrolet | C20 Suburban | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1977 | Chevrolet | C30 | 7.4L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1977 | Chevrolet | C30 | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1977 | Chevrolet | C30 | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1977 | Chevrolet | Camaro | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire, 0.6mm finewire design, .035 gap.; Iridium Spark Plug |
| 1977 | Chevrolet | Camaro | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1977 | Chevrolet | Camaro | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1977 | Chevrolet | Caprice | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire, 0.6mm finewire design, .035 gap.; Iridium Spark Plug |
| 1977 | Chevrolet | Caprice | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1977 | Chevrolet | Caprice | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1977 | Chevrolet | Corvette | — | — | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1977 | Chevrolet | El Camino | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire, 0.6mm finewire design, .035 gap.; Iridium Spark Plug |
| 1977 | Chevrolet | El Camino | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1977 | Chevrolet | El Camino | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1977 | Chevrolet | G10 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire, 0.6mm finewire design, .035 gap.; Iridium Spark Plug |
| 1977 | Chevrolet | G10 | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1977 | Chevrolet | G10 | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1977 | Chevrolet | G20 | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1977 | Chevrolet | G20 | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1977 | Chevrolet | G30 | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1977 | Chevrolet | G30 | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1977 | Chevrolet | Impala | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire, 0.6mm finewire design, .035 gap.; Iridium Spark Plug |
| 1977 | Chevrolet | Impala | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1977 | Chevrolet | Impala | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1977 | Chevrolet | K10 | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire, 0.6mm finewire design, .035 gap.; Iridium Spark Plug |
| 1977 | Chevrolet | K10 | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1977 | Chevrolet | K10 | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1977 | Chevrolet | K10 | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1977 | Chevrolet | K10 Suburban | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire, 0.6mm finewire design, .035 gap.; Iridium Spark Plug |
| 1977 | Chevrolet | K10 Suburban | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1977 | Chevrolet | K10 Suburban | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1977 | Chevrolet | K10 Suburban | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1977 | Chevrolet | K20 | 7.4L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1977 | Chevrolet | K20 | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1977 | Chevrolet | K20 | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1977 | Chevrolet | K20 | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1977 | Chevrolet | K20 Suburban | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1977 | Chevrolet | K20 Suburban | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1977 | Chevrolet | K20 Suburban | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1977 | Chevrolet | K30 | 7.4L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1977 | Chevrolet | K30 | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1977 | Chevrolet | K30 | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1977 | Chevrolet | K5 Blazer | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire, 0.6mm finewire design, .035 gap.; Iridium Spark Plug |
| 1977 | Chevrolet | K5 Blazer | 7.4L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1977 | Chevrolet | K5 Blazer | 6.6L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1977 | Chevrolet | K5 Blazer | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1977 | Chevrolet | K5 Blazer | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1977 | Chevrolet | Malibu | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire, 0.6mm finewire design, .035 gap.; Iridium Spark Plug |
| 1977 | Chevrolet | Malibu | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1977 | Chevrolet | Malibu | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1977 | Chevrolet | Monte Carlo | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1977 | Chevrolet | Monte Carlo | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1977 | Chevrolet | Monza | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1977 | Chevrolet | Nova | 4.1L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire, 0.6mm finewire design, .035 gap.; Iridium Spark Plug |
| 1977 | Chevrolet | Nova | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1977 | Chevrolet | Nova | 5.0L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Iridium Spark Plug |
| 1977 | Chevrolet | P10 | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1977 | Chevrolet | P20 | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1977 | Chevrolet | P30 | 5.7L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .045 Gap; Light Duty; Iridium Spark Plug |
| 1977 | Dodge | Aspen | 3.7L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire, 0.6mm finewire design, .035 gap.; Iridium Spark Plug |
| 1977 | Dodge | B100 | 3.7L | L6 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .035 Gap; Light Duty; Iridium Spark Plug |
| 1977 | Dodge | B200 | 3.7L | L6 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .035"/0.9mm; Light Duty; Iridium Spark Plug |
| 1977 | Dodge | B300 | 3.7L | L6 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .035"/0.9mm; Light Duty; Iridium Spark Plug |
| 1977 | Dodge | D100 | 3.7L | L6 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .035 Gap; Light Duty; Iridium Spark Plug |
| 1977 | Dodge | D150 | 3.7L | L6 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .035 Gap; Light Duty; Iridium Spark Plug |
| 1977 | Dodge | D200 | 3.7L | L6 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .035 Gap; Light Duty; Iridium Spark Plug |
| 1977 | Dodge | D300 | 3.7L | L6 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .035 Gap; Light Duty; Iridium Spark Plug |
| 1977 | Dodge | Monaco | 3.7L | L6 | — | N/A | Iridium enhanced center electrode with proprietary V-trimmed platinum side wire, 0.6mm finewire design, .035 gap.; Iridium Spark Plug |
| 1977 | Dodge | Ramcharger | 3.7L | L6 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .035 Gap; Light Duty; Iridium Spark Plug |
| 1977 | Dodge | W100 | 3.7L | L6 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .035 Gap; Light Duty; Iridium Spark Plug |
| 1977 | Dodge | W200 | 3.7L | L6 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .035 Gap; Light Duty; Iridium Spark Plug |
| 1977 | Dodge | W300 | 3.7L | L6 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .035 Gap; Light Duty; Iridium Spark Plug |
| 1977 | Ford | LTD | 5.0L | V8 | — | N/A | Except California; Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .050 Gap; Iridium Spark Plug |
| 1977 | Ford | LTD | 5.8L | V8 | — | N/A | .050 Gap; Except California; Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; Iridium Spark Plug |
| 1977 | Ford | LTD | 5.8L | V8 | — | N/A | .050 Gap; Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; Iridium Spark Plug |
| 1977 | Ford | LTD | 7.5L | V8 | — | N/A | Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .050 Gap; Iridium Spark Plug |
| 1977 | Ford | LTD | 6.6L | V8 | — | N/A | Except California; Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .050 Gap; Iridium Spark Plug |
| 1977 | Ford | Thunderbird | 5.0L | V8 | — | N/A | Except California; Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .050 Gap; Iridium Spark Plug |
| 1977 | Ford | Thunderbird | 5.8L | V8 | — | N/A | .050 Gap; Except California; Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; Iridium Spark Plug |
| 1977 | Ford | Thunderbird | 5.8L | V8 | — | N/A | .050 Gap; Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; Iridium Spark Plug |
| 1977 | Ford | Thunderbird | 6.6L | V8 | — | N/A | Except California; Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .050 Gap; Iridium Spark Plug |
| No rows match your filter. | |||||||
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
1258200220255330FGR9DPQITF16