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Champion 113 Spark Plug
| Brand | Champion 113 |
|---|---|
| Ground Electrode Core Material | Nickel |
| Electrical Terminal Type | Non-removable nut |
| Center Electrode Tip Material | Nickel |
| Pre-Gap Size | 0.040 |
| Pre-Gap Size | 1.02 |
| Ground Electrode Quantity | 1 |
| Manufacturer Heat Range | 12 |
| Seat Type | Tapered |
| Reach | 0.441 |
| Thread Diameter | 0.551 |
| Thread Diameter | 14.000 |
| Resistor Type | Yes |
| Hex Type | Hex |
| Center Electrode Diameter (Inch) | 0.1 |
| Classification | Champion copper plus |
| Ground Electrode Material | Nickel copper alloy |
| Hex Size | 0.625 |
| Hex Size | 15.880 |
| Installed Height (Inch) | 2.02 |
| Plug Type | Rv12c |
| Taper Diameter (Inch) | 0.27 |
| Product line | Copper Plus |
| Fits | Chevrolet, Ford, and GMC · 1660 vehicles |
Copper core electrode. Improves conductivity and heat control for steady wear.
Resistor type. Helps reduce electrical noise in the ignition system.
Tapered seat. Provides a secure, precise spark plug fit.
Cross-references AMS Automotive 4113, AMS Automotive 4123 and AMS Automotive 7052 for the same application. See all 40.
Champion Copper Plus 113 Spark Plug
Champion Copper Plus 113 is a tapered-seat spark plug built for dependable ignition performance in older Chevrolet and GMC applications, including classic trucks, vans, and passenger cars. Its copper core electrode supports conductivity and heat control for consistent wear and stable operation.
- Copper core electrode for improved conductivity and heat management
- Nickel center electrode tip and nickel ground electrode core material
- Resistor type spark plug for reduced electrical noise
- Pre-gapped to 0.040 in. for straightforward setup
- Tapered seat design with RV12C plug type
- Champion Copper Plus classification for OE-style service replacement
Copper Plus Product Line
The Champion Copper Plus line focuses on practical, OE-style ignition service for vehicles that rely on a conventional copper-core plug. Part number 113 is a fitment-focused replacement for many Chevrolet and GMC models from 1970 through 1991, including applications such as Chevrolet C10, K20, Camaro, and GMC Jimmy.
Detailed Product Overview
Champion 113 uses a copper core design to help transfer heat efficiently while maintaining reliable spark delivery. The nickel electrode materials, 0.625 hex size, 14 mm thread diameter, 0.441 reach, and tapered seat support proper installation in the specified applications. This spark plug cross-references DENSO Auto Parts 5029 for the same application.
Compatible With 1970-1991 Chevrolet and GMC vehicles listed in the fitment data, including Chevrolet C10, C20, K10, K20, P20, P30, Camaro, Corvette, Malibu, and GMC Jimmy, G15/G1500 Van, G25/G2500 Van, and G35/G3500 Van. Part number 113 is also listed for Chevrolet and GMC heavy-duty van and truck applications with OE-type plug requirements.
What It Helps Address
- Hard starting caused by worn or inconsistent spark plugs
- Rough idle in older carbureted ignition systems
- Misfire concerns from aged secondary ignition components
- Heat-related plug wear in demanding truck and van use
- Service replacement needs for OE-style RV12C applications
Installation Notes and Tips
Verify the vehicle’s required plug type, seat style, reach, and gap before installation. This plug is pre-gapped at 0.040 in., while many listed applications reference 0.035 in. or 0.045 in. in the fitment notes, so confirm the correct specification for your engine before use. Check the ignition system condition, thread engagement, and torque specification during installation.
Quality Assurance
Champion 113 is built as a service replacement spark plug for confirmed Chevrolet and GMC fitments from 1970-1991. Its copper-core construction, nickel electrode materials, and resistor design support consistent ignition performance in the listed applications.
| Year | Make | Model | Liters | Cylinders | Fuel Type | Notes |
|---|---|---|---|---|---|---|
| 1991 | Chevrolet | R2500 Suburban | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1991 | Ford | E-250 Econoline | 5.0L | V8 | — | OE Type; Gap 0.044 (in); Plug Type Number RV12C; Copper Plus |
| 1990 | Chevrolet | B60 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1990 | Chevrolet | C3500 | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1990 | Chevrolet | C50 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1990 | Chevrolet | C60 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1990 | Chevrolet | G30 | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1990 | Chevrolet | K3500 | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1990 | Chevrolet | P30 | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1990 | Chevrolet | P40 | 4.8L | L6 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1990 | Chevrolet | R2500 Suburban | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1990 | Chevrolet | V2500 Suburban | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1990 | Ford | E-250 Econoline | 5.0L | V8 | — | OE Type; Gap 0.044 (in); Plug Type Number RV12C; Copper Plus |
| 1990 | GMC | C5000 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1990 | GMC | C6000 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1990 | GMC | P4500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1990 | GMC | P6000 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1989 | Chevrolet | B60 | 6.0L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1989 | Chevrolet | B60 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1989 | Chevrolet | C3500 | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1989 | Chevrolet | C50 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1989 | Chevrolet | C60 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1989 | Chevrolet | C60 | 6.0L | V8 | — | Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1989 | Chevrolet | C70 | 6.0L | V8 | — | Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1989 | Chevrolet | G30 | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1989 | Chevrolet | K3500 | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1989 | Chevrolet | P20 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1989 | Chevrolet | P30 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1989 | Chevrolet | P30 | 7.4L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1989 | Chevrolet | P40 | 4.8L | L6 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1989 | Chevrolet | P60 | 6.0L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1989 | Chevrolet | R2500 | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1989 | Chevrolet | R2500 Suburban | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1989 | Chevrolet | R3500 | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1989 | Chevrolet | S7 | 6.0L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1989 | Chevrolet | V3500 | 7.4L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1989 | Ford | E-250 Econoline | 5.0L | V8 | — | OE Type; Gap 0.044 (in); Plug Type Number RV12C; Copper Plus |
| 1989 | GMC | B6000 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1989 | GMC | B6000 | 6.0L | V8 | — | Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1989 | GMC | C5000 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1989 | GMC | C6000 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1989 | GMC | C6000 | 6.0L | V8 | — | Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1989 | GMC | C7000 | 6.0L | V8 | — | Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1989 | GMC | P2500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1989 | GMC | P3500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1989 | GMC | P3500 | 7.4L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1989 | GMC | P4500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1989 | GMC | P6000 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1989 | GMC | P6000 | 6.0L | V8 | — | Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1989 | GMC | R3500 | 7.4L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1988 | Chevrolet | B60 | 6.0L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1988 | Chevrolet | B60 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1988 | Chevrolet | C3500 | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1988 | Chevrolet | C50 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1988 | Chevrolet | C60 | 6.0L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1988 | Chevrolet | C60 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1988 | Chevrolet | C70 | 6.0L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1988 | Chevrolet | G30 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1988 | Chevrolet | G30 | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1988 | Chevrolet | K3500 | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1988 | Chevrolet | P20 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1988 | Chevrolet | P30 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1988 | Chevrolet | P30 | 7.4L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1988 | Chevrolet | P30 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1988 | Chevrolet | P40 | 4.8L | L6 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1988 | Chevrolet | P60 | 6.0L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1988 | Chevrolet | R20 | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1988 | Chevrolet | R20 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1988 | Chevrolet | R20 Suburban | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1988 | Chevrolet | R30 | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1988 | Chevrolet | R30 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1988 | Chevrolet | R30 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1988 | Chevrolet | V20 Suburban | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1988 | Chevrolet | V30 | 7.4L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1988 | Chevrolet | V30 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1988 | Chevrolet | V30 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1988 | Ford | E-250 Econoline | 5.0L | V8 | — | OE Type; Gap 0.044 (in); Plug Type Number RV12C; Copper Plus |
| 1988 | GMC | B6000 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1988 | GMC | B6000 | 6.0L | V8 | — | Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1988 | GMC | C3500 | 7.4L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1988 | GMC | C5000 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1988 | GMC | C6000 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1988 | GMC | C6000 | 6.0L | V8 | — | Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1988 | GMC | C7000 | 6.0L | V8 | — | Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1988 | GMC | G3500 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1988 | GMC | P3500 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1988 | GMC | P3500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1988 | GMC | P3500 | 7.4L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1988 | GMC | P4500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1988 | GMC | P6000 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1988 | GMC | P6000 | 6.0L | V8 | — | Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1988 | GMC | R2500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1988 | GMC | R3500 | 7.4L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1988 | GMC | R3500 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1988 | GMC | R3500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1988 | GMC | V3500 | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1988 | GMC | V3500 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1988 | GMC | V3500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1987 | Chevrolet | B60 | 6.0L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1987 | Chevrolet | B60 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1987 | Chevrolet | C50 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1987 | Chevrolet | C60 | 6.0L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1987 | Chevrolet | C60 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1987 | Chevrolet | C70 | 6.0L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1987 | Chevrolet | G30 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1987 | Chevrolet | P20 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1987 | Chevrolet | P20 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1987 | Chevrolet | P30 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1987 | Chevrolet | P30 | 7.4L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1987 | Chevrolet | P30 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1987 | Chevrolet | P40 | 4.8L | L6 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1987 | Chevrolet | P60 | 6.0L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1987 | Chevrolet | R20 | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1987 | Chevrolet | R20 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1987 | Chevrolet | R20 Suburban | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1987 | Chevrolet | R30 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1987 | Chevrolet | R30 | 7.4L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1987 | Chevrolet | R30 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1987 | Chevrolet | S7 | 6.0L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1987 | Chevrolet | V20 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1987 | Chevrolet | V20 Suburban | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1987 | Chevrolet | V30 | 7.4L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1987 | Chevrolet | V30 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1987 | Chevrolet | V30 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1987 | Ford | E-250 Econoline | 5.0L | V8 | — | OE Type; Gap 0.044 (in); Plug Type Number RV12C; Copper Plus |
| 1987 | GMC | B6000 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1987 | GMC | B6000 | 6.0L | V8 | — | Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1987 | GMC | C5000 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1987 | GMC | C5000 | 4.8L | L6 | — | Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1987 | GMC | C6000 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1987 | GMC | C6000 | 6.0L | V8 | — | Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1987 | GMC | C7000 | 6.0L | V8 | — | Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1987 | GMC | G3500 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1987 | GMC | P2500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1987 | GMC | P2500 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1987 | GMC | P3500 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1987 | GMC | P3500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1987 | GMC | P3500 | 7.4L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1987 | GMC | P4500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1987 | GMC | P6000 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1987 | GMC | P6000 | 6.0L | V8 | — | Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1987 | GMC | R2500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1987 | GMC | R3500 | 7.4L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1987 | GMC | R3500 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1987 | GMC | R3500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1987 | GMC | V2500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1987 | GMC | V3500 | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1987 | GMC | V3500 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1987 | GMC | V3500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1986 | Chevrolet | B60 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1986 | Chevrolet | B60 | 6.0L | V8 | — | Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1986 | Chevrolet | C10 Suburban | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1986 | Chevrolet | C20 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1986 | Chevrolet | C20 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1986 | Chevrolet | C20 | 7.4L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1986 | Chevrolet | C20 Suburban | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1986 | Chevrolet | C20 Suburban | 7.4L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1986 | Chevrolet | C30 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1986 | Chevrolet | C30 | 7.4L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1986 | Chevrolet | C30 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1986 | Chevrolet | C50 | 7.0L | V8 | GAS | Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1986 | Chevrolet | C50 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1986 | Chevrolet | C50 | 4.8L | L6 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1986 | Chevrolet | C60 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1986 | Chevrolet | C60 | 4.8L | L6 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1986 | Chevrolet | G20 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1986 | Chevrolet | G30 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1986 | Chevrolet | K10 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1986 | Chevrolet | K20 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1986 | Chevrolet | K20 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1986 | Chevrolet | K20 Suburban | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1986 | Chevrolet | K30 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1986 | Chevrolet | K30 | 7.4L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1986 | Chevrolet | P20 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1986 | Chevrolet | P20 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1986 | Chevrolet | P30 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1986 | Chevrolet | P30 | 7.4L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1986 | Chevrolet | P30 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1986 | Chevrolet | P40 | 4.8L | L6 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1986 | Ford | E-250 Econoline | 5.0L | V8 | — | OE Type; Gap 0.044 (in); Plug Type Number RV12C; Copper Plus |
| 1986 | GMC | B6000 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1986 | GMC | C2500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1986 | GMC | C2500 | 7.4L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1986 | GMC | C2500 Suburban | 5.7L | V8 | — | Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1986 | GMC | C2500 Suburban | 7.4L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1986 | GMC | C3500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1986 | GMC | C3500 | 7.4L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1986 | GMC | C5000 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1986 | GMC | C5000 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1986 | GMC | C6000 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1986 | GMC | C6000 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1986 | GMC | G2500 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1986 | GMC | G3500 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1986 | GMC | K2500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1986 | GMC | K3500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1986 | GMC | K3500 | 7.4L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1986 | GMC | P2500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1986 | GMC | P2500 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1986 | GMC | P3500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1986 | GMC | P3500 | 7.4L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1986 | GMC | P4500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1986 | GMC | P6000 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1985 | Chevrolet | B60 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1985 | Chevrolet | C10 Suburban | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1985 | Chevrolet | C20 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1985 | Chevrolet | C20 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1985 | Chevrolet | C20 | 7.4L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1985 | Chevrolet | C20 Suburban | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1985 | Chevrolet | C20 Suburban | 7.4L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1985 | Chevrolet | C30 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1985 | Chevrolet | C30 | 7.4L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1985 | Chevrolet | C30 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1985 | Chevrolet | C50 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1985 | Chevrolet | C50 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1985 | Chevrolet | C60 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1985 | Chevrolet | C60 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1985 | Chevrolet | G20 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1985 | Chevrolet | G30 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1985 | Chevrolet | K10 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1985 | Chevrolet | K10 Suburban | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1985 | Chevrolet | K20 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1985 | Chevrolet | K20 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1985 | Chevrolet | K20 Suburban | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1985 | Chevrolet | K20 Suburban | 7.4L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1985 | Chevrolet | K30 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1985 | Chevrolet | K30 | 7.4L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1985 | Chevrolet | P20 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1985 | Chevrolet | P20 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1985 | Chevrolet | P30 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1985 | Chevrolet | P30 | 7.4L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1985 | Chevrolet | P30 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1985 | Chevrolet | P40 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1985 | GMC | B6000 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1985 | GMC | C1500 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1985 | GMC | C1500 Suburban | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1985 | GMC | C2500 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1985 | GMC | C2500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1985 | GMC | C2500 | 7.4L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1985 | GMC | C2500 Suburban | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1985 | GMC | C2500 Suburban | 7.4L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1985 | GMC | C3500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1985 | GMC | C3500 | 7.4L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1985 | GMC | C5000 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1985 | GMC | C5000 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1985 | GMC | C6000 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1985 | GMC | C6000 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1985 | GMC | G2500 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1985 | GMC | G3500 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1985 | GMC | K1500 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1985 | GMC | K2500 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1985 | GMC | K2500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1985 | GMC | K3500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1985 | GMC | K3500 | 7.4L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1985 | GMC | P2500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1985 | GMC | P2500 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1985 | GMC | P3500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1985 | GMC | P3500 | 7.4L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1985 | GMC | P4500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1985 | GMC | P6000 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1985 | GMC | P6000 | 4.8L | L6 | — | Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1984 | Chevrolet | B60 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1984 | Chevrolet | C20 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1984 | Chevrolet | C20 | 7.4L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1984 | Chevrolet | C20 Suburban | 7.4L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1984 | Chevrolet | C30 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1984 | Chevrolet | C30 | 7.4L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1984 | Chevrolet | C50 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1984 | Chevrolet | C50 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1984 | Chevrolet | C60 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1984 | Chevrolet | C60 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1984 | Chevrolet | K20 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1984 | Chevrolet | K30 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1984 | Chevrolet | K30 | 7.4L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1984 | Chevrolet | P20 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1984 | Chevrolet | P30 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1984 | Chevrolet | P30 | 7.4L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1984 | Chevrolet | P40 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1984 | Chevrolet | P60 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1984 | GMC | B6000 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1984 | GMC | C2500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1984 | GMC | C2500 | 7.4L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1984 | GMC | C2500 Suburban | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1984 | GMC | C2500 Suburban | 7.4L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1984 | GMC | C3500 | 5.7L | V8 | — | Heavy Duty; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1984 | GMC | C3500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1984 | GMC | C3500 | 7.4L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1984 | GMC | C5000 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1984 | GMC | C5000 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1984 | GMC | C6000 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1984 | GMC | C6000 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1984 | GMC | G1500 | 5.7L | V8 | — | Heavy Duty; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1984 | GMC | K1500 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1984 | GMC | K2500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1984 | GMC | K2500 Suburban | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1984 | GMC | K3500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1984 | GMC | K3500 | 7.4L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1984 | GMC | P2500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1984 | GMC | P3500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1984 | GMC | P3500 | 7.4L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1984 | GMC | P3500 | 5.7L | V8 | — | Heavy Duty; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1984 | GMC | P4500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1984 | GMC | P6000 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1983 | Chevrolet | B60 | 6.0L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1983 | Chevrolet | B60 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1983 | Chevrolet | C10 | 5.7L | V8 | — | Heavy Duty; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1983 | Chevrolet | C10 Suburban | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1983 | Chevrolet | C20 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1983 | Chevrolet | C20 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1983 | Chevrolet | C20 | 7.4L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1983 | Chevrolet | C20 Suburban | 7.4L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1983 | Chevrolet | C30 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1983 | Chevrolet | C30 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1983 | Chevrolet | C30 | 7.4L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1983 | Chevrolet | C50 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1983 | Chevrolet | C50 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1983 | Chevrolet | C60 | 6.0L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1983 | Chevrolet | C60 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1983 | Chevrolet | C60 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1983 | Chevrolet | C70 | 6.0L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1983 | Chevrolet | G10 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1983 | Chevrolet | G20 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1983 | Chevrolet | G30 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1983 | Chevrolet | K10 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1983 | Chevrolet | K10 Suburban | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1983 | Chevrolet | K20 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1983 | Chevrolet | K20 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1983 | Chevrolet | K20 Suburban | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1983 | Chevrolet | K30 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1983 | Chevrolet | K30 | 7.4L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1983 | Chevrolet | K30 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1983 | Chevrolet | P20 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1983 | Chevrolet | P20 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1983 | Chevrolet | P30 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1983 | Chevrolet | P30 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1983 | Chevrolet | P30 | 7.4L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1983 | Chevrolet | P40 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1983 | Chevrolet | P60 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1983 | GMC | B6000 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1983 | GMC | C1500 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1983 | GMC | C2500 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1983 | GMC | C2500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1983 | GMC | C2500 | 7.4L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1983 | GMC | C2500 Suburban | 7.4L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1983 | GMC | C3500 | 5.7L | V8 | — | Heavy Duty; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1983 | GMC | C3500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1983 | GMC | C3500 | 7.4L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1983 | GMC | C5000 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1983 | GMC | C5000 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1983 | GMC | C6000 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1983 | GMC | C6000 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1983 | GMC | G1500 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1983 | GMC | G2500 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1983 | GMC | G3500 | 5.7L | V8 | — | Heavy Duty; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1983 | GMC | K1500 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1983 | GMC | K2500 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1983 | GMC | K2500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1983 | GMC | K3500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1983 | GMC | K3500 | 7.4L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1983 | GMC | K3500 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1983 | GMC | P2500 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1983 | GMC | P2500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1983 | GMC | P3500 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1983 | GMC | P3500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1983 | GMC | P3500 | 7.4L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1983 | GMC | P4500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1982 | Chevrolet | B60 | 6.0L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1982 | Chevrolet | B60 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1982 | Chevrolet | C10 | 5.7L | V8 | — | Heavy Duty; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1982 | Chevrolet | C10 Suburban | 5.7L | V8 | — | Heavy Duty; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1982 | Chevrolet | C20 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1982 | Chevrolet | C20 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1982 | Chevrolet | C20 | 7.4L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1982 | Chevrolet | C20 Suburban | 7.4L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1982 | Chevrolet | C20 Suburban | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1982 | Chevrolet | C30 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1982 | Chevrolet | C30 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1982 | Chevrolet | C30 | 7.4L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1982 | Chevrolet | C50 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1982 | Chevrolet | C50 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1982 | Chevrolet | C60 | 6.0L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1982 | Chevrolet | C60 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1982 | Chevrolet | C60 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1982 | Chevrolet | C70 | 6.0L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1982 | Chevrolet | G10 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1982 | Chevrolet | G20 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1982 | Chevrolet | G30 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1982 | Chevrolet | K10 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1982 | Chevrolet | K20 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1982 | Chevrolet | K20 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1982 | Chevrolet | K20 Suburban | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1982 | Chevrolet | K20 Suburban | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1982 | Chevrolet | K30 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1982 | Chevrolet | K30 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1982 | Chevrolet | K30 | 7.4L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1982 | Chevrolet | P20 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1982 | Chevrolet | P20 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1982 | Chevrolet | P30 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1982 | Chevrolet | P30 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1982 | Chevrolet | P30 | 7.4L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1982 | Chevrolet | P40 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1982 | GMC | B6000 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1982 | GMC | C1500 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1982 | GMC | C2500 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1982 | GMC | C2500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1982 | GMC | C2500 | 7.4L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1982 | GMC | C2500 Suburban | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1982 | GMC | C2500 Suburban | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1982 | GMC | C2500 Suburban | 7.4L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1982 | GMC | C3500 | 5.7L | V8 | — | Heavy Duty; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1982 | GMC | C3500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1982 | GMC | C3500 | 7.4L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1982 | GMC | C5000 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1982 | GMC | C5000 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1982 | GMC | C6000 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1982 | GMC | C6000 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1982 | GMC | G1500 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1982 | GMC | G2500 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1982 | GMC | G3500 | 5.7L | V8 | — | Heavy Duty; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1982 | GMC | K1500 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1982 | GMC | K2500 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1982 | GMC | K2500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1982 | GMC | K2500 Suburban | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1982 | GMC | K3500 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1982 | GMC | K3500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1982 | GMC | K3500 | 7.4L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1982 | GMC | P2500 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1982 | GMC | P2500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1982 | GMC | P3500 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1982 | GMC | P3500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1982 | GMC | P3500 | 7.4L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1982 | GMC | P4500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1981 | Chevrolet | B60 | 6.0L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1981 | Chevrolet | B60 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1981 | Chevrolet | C10 | 5.7L | V8 | GAS | Copper Plus |
| 1981 | Chevrolet | C10 Suburban | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1981 | Chevrolet | C20 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1981 | Chevrolet | C20 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1981 | Chevrolet | C20 | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1981 | Chevrolet | C20 Suburban | 7.4L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1981 | Chevrolet | C20 Suburban | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1981 | Chevrolet | C20 Suburban | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1981 | Chevrolet | C30 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1981 | Chevrolet | C30 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1981 | Chevrolet | C30 | 7.4L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1981 | Chevrolet | C50 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1981 | Chevrolet | C50 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1981 | Chevrolet | C60 | 6.0L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1981 | Chevrolet | C60 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1981 | Chevrolet | C60 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1981 | Chevrolet | C70 | 6.0L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1981 | Chevrolet | G10 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1981 | Chevrolet | G20 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1981 | Chevrolet | G30 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1981 | Chevrolet | K10 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1981 | Chevrolet | K10 Suburban | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1981 | Chevrolet | K20 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1981 | Chevrolet | K20 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1981 | Chevrolet | K20 Suburban | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1981 | Chevrolet | K20 Suburban | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1981 | Chevrolet | K30 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1981 | Chevrolet | K30 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1981 | Chevrolet | K30 | 7.4L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1981 | Chevrolet | K5 Blazer | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1981 | Chevrolet | P20 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1981 | Chevrolet | P20 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1981 | Chevrolet | P30 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1981 | Chevrolet | P30 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1981 | Chevrolet | P30 | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1981 | Chevrolet | P40 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1981 | GMC | B6000 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1981 | GMC | C1500 | 5.7L | V8 | GAS | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1981 | GMC | C1500 Suburban | 5.7L | V8 | GAS | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1981 | GMC | C2500 | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1981 | GMC | C2500 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1981 | GMC | C2500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1981 | GMC | C2500 Suburban | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1981 | GMC | C2500 Suburban | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1981 | GMC | C2500 Suburban | 7.4L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1981 | GMC | C3500 | 5.7L | V8 | — | Heavy Duty; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1981 | GMC | C3500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1981 | GMC | C3500 | 7.4L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1981 | GMC | C5000 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1981 | GMC | C5000 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1981 | GMC | C6000 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1981 | GMC | C6000 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1981 | GMC | G1500 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1981 | GMC | G2500 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1981 | GMC | G3500 | 5.7L | V8 | — | Heavy Duty; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1981 | GMC | Jimmy | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1981 | GMC | K1500 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1981 | GMC | K1500 Suburban | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1981 | GMC | K2500 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1981 | GMC | K2500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1981 | GMC | K2500 Suburban | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1981 | GMC | K2500 Suburban | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1981 | GMC | K3500 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1981 | GMC | K3500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1981 | GMC | K3500 | 7.4L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1981 | GMC | P2500 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1981 | GMC | P2500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1981 | GMC | P3500 | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1981 | GMC | P3500 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1981 | GMC | P3500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1981 | GMC | P4500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | Chevrolet | B60 | 6.0L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | Chevrolet | B60 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | Chevrolet | C10 | 5.7L | V8 | GAS | Heavy Duty; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | Chevrolet | C10 | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | Chevrolet | C10 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | Chevrolet | C10 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | Chevrolet | C10 Suburban | 5.7L | V8 | GAS | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | Chevrolet | C10 Suburban | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | Chevrolet | C20 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | Chevrolet | C20 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | Chevrolet | C20 | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | Chevrolet | C20 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | Chevrolet | C20 Suburban | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | Chevrolet | C20 Suburban | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | Chevrolet | C20 Suburban | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | Chevrolet | C20 Suburban | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | Chevrolet | C30 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | Chevrolet | C30 | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | Chevrolet | C30 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | Chevrolet | C50 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | Chevrolet | C50 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | Chevrolet | C60 | 6.0L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | Chevrolet | C60 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | Chevrolet | C60 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | Chevrolet | C70 | 6.0L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | Chevrolet | G10 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | Chevrolet | G20 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | Chevrolet | G20 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | Chevrolet | G30 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | Chevrolet | G30 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | Chevrolet | K10 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | Chevrolet | K10 | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | Chevrolet | K10 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | Chevrolet | K10 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | Chevrolet | K10 Suburban | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | Chevrolet | K20 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | Chevrolet | K20 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | Chevrolet | K20 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | Chevrolet | K20 Suburban | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | Chevrolet | K20 Suburban | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | Chevrolet | K20 Suburban | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | Chevrolet | K30 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | Chevrolet | K30 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | Chevrolet | K30 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | Chevrolet | K30 | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | Chevrolet | K5 Blazer | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | Chevrolet | P10 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | Chevrolet | P20 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | Chevrolet | P20 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | Chevrolet | P30 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | Chevrolet | P30 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | Chevrolet | P30 | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | Chevrolet | P40 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | GMC | B6000 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | GMC | C1500 | 5.7L | V8 | GAS | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | GMC | C1500 | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | GMC | C1500 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | GMC | C1500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | GMC | C1500 Suburban | 5.7L | V8 | GAS | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | GMC | C1500 Suburban | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | GMC | C2500 | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | GMC | C2500 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | GMC | C2500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | GMC | C2500 Suburban | 5.7L | V8 | GAS | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | GMC | C2500 Suburban | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | GMC | C2500 Suburban | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | GMC | C2500 Suburban | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | GMC | C3500 | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | GMC | C3500 | 5.7L | V8 | — | Heavy Duty; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | GMC | C3500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | GMC | C5000 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | GMC | C5000 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | GMC | C6000 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | GMC | C6000 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | GMC | G1500 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | GMC | G2500 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | GMC | G2500 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | GMC | G3500 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | GMC | G3500 | 5.7L | V8 | — | Heavy Duty; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | GMC | Jimmy | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | GMC | K1500 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | GMC | K1500 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | GMC | K1500 | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | GMC | K1500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | GMC | K1500 Suburban | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | GMC | K1500 Suburban | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | GMC | K2500 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | GMC | K2500 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | GMC | K2500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | GMC | K2500 Suburban | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | GMC | K2500 Suburban | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | GMC | K2500 Suburban | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | GMC | K3500 | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | GMC | K3500 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | GMC | K3500 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | GMC | K3500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | GMC | P1500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | GMC | P2500 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | GMC | P2500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | GMC | P3500 | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | GMC | P3500 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | GMC | P3500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1980 | GMC | P4500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | Chevrolet | C10 | 5.7L | V8 | GAS | Heavy Duty; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | Chevrolet | C10 | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | Chevrolet | C10 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | Chevrolet | C10 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | Chevrolet | C10 Suburban | 5.7L | V8 | GAS | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | Chevrolet | C10 Suburban | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | Chevrolet | C20 | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | Chevrolet | C20 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | Chevrolet | C20 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | Chevrolet | C20 Suburban | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | Chevrolet | C20 Suburban | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | Chevrolet | C20 Suburban | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | Chevrolet | C20 Suburban | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | Chevrolet | C30 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | Chevrolet | C30 | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | Chevrolet | C30 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | Chevrolet | C50 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | Chevrolet | C50 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | Chevrolet | C60 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | Chevrolet | C60 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | Chevrolet | C70 | 7.4L | V8 | — | Heavy Duty; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | Chevrolet | C70 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | Chevrolet | G10 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | Chevrolet | G20 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | Chevrolet | G20 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | Chevrolet | G30 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | Chevrolet | G30 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | Chevrolet | G30 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | Chevrolet | K10 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | Chevrolet | K10 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | Chevrolet | K10 Suburban | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | Chevrolet | K10 Suburban | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | Chevrolet | K20 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | Chevrolet | K20 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | Chevrolet | K20 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | Chevrolet | K20 Suburban | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | Chevrolet | K20 Suburban | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | Chevrolet | K20 Suburban | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | Chevrolet | K30 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | Chevrolet | K30 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | Chevrolet | K30 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | Chevrolet | K5 Blazer | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | Chevrolet | K5 Blazer | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | Chevrolet | P10 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | Chevrolet | P20 | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | Chevrolet | P20 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | Chevrolet | P20 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | Chevrolet | P30 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | Chevrolet | P30 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | Chevrolet | P30 | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | Chevrolet | P40 | 4.8L | L6 | — | Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | GMC | C1500 | 5.7L | V8 | GAS | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | GMC | C1500 | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | GMC | C1500 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | GMC | C1500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | GMC | C1500 Suburban | 5.7L | V8 | GAS | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | GMC | C1500 Suburban | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | GMC | C2500 | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | GMC | C2500 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | GMC | C2500 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | GMC | C2500 Suburban | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | GMC | C2500 Suburban | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | GMC | C2500 Suburban | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | GMC | C3500 | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | GMC | C3500 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | GMC | C3500 | 5.7L | V8 | — | Heavy Duty; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | GMC | C3500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | GMC | C5000 | 5.7L | V8 | — | Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | GMC | C5000 | 4.8L | L6 | — | Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | GMC | C6000 | 5.7L | V8 | — | Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | GMC | C6000 | 4.8L | L6 | — | Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | GMC | C7000 | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | GMC | C7000 | 5.7L | V8 | — | Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | GMC | Caballero | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | GMC | G1500 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | GMC | G1500 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | GMC | G2500 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | GMC | G2500 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | GMC | G3500 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | GMC | G3500 | 5.7L | V8 | — | Heavy Duty; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | GMC | Jimmy | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | GMC | Jimmy | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | GMC | K1500 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | GMC | K1500 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | GMC | K1500 Suburban | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | GMC | K1500 Suburban | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | GMC | K2500 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | GMC | K2500 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | GMC | K2500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | GMC | K2500 Suburban | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | GMC | K2500 Suburban | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | GMC | K2500 Suburban | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | GMC | K3500 | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | GMC | K3500 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | GMC | K3500 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | GMC | K3500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | GMC | P1500 | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | GMC | P1500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | GMC | P2500 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | GMC | P2500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | GMC | P3500 | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | GMC | P3500 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | GMC | P3500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1979 | GMC | P4500 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | Chevrolet | C10 | 5.7L | V8 | GAS | Heavy Duty; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | Chevrolet | C10 | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | Chevrolet | C10 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | Chevrolet | C10 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | Chevrolet | C10 | 5.0L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | Chevrolet | C10 Suburban | 5.7L | V8 | GAS | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | Chevrolet | C10 Suburban | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | Chevrolet | C10 Suburban | 5.0L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | Chevrolet | C20 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | Chevrolet | C20 | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | Chevrolet | C20 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | Chevrolet | C20 | 5.0L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | Chevrolet | C20 Suburban | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | Chevrolet | C20 Suburban | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | Chevrolet | C20 Suburban | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | Chevrolet | C20 Suburban | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | Chevrolet | C20 Suburban | 5.0L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | Chevrolet | C30 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | Chevrolet | C30 | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | Chevrolet | C30 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | Chevrolet | C30 | 5.0L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | Chevrolet | C50 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | Chevrolet | C50 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | Chevrolet | C60 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | Chevrolet | C60 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | Chevrolet | G10 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | Chevrolet | G10 | 5.0L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | Chevrolet | G20 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | Chevrolet | G20 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | Chevrolet | G20 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | Chevrolet | G30 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | Chevrolet | G30 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | Chevrolet | G30 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | Chevrolet | G30 | 5.0L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | Chevrolet | K10 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | Chevrolet | K10 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | Chevrolet | K10 Suburban | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | Chevrolet | K10 Suburban | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | Chevrolet | K10 Suburban | 5.0L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | Chevrolet | K20 | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | Chevrolet | K20 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | Chevrolet | K20 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | Chevrolet | K20 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | Chevrolet | K20 | 5.0L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | Chevrolet | K20 Suburban | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | Chevrolet | K20 Suburban | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | Chevrolet | K20 Suburban | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | Chevrolet | K20 Suburban | 5.0L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | Chevrolet | K30 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | Chevrolet | K30 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | Chevrolet | K30 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | Chevrolet | K5 Blazer | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | Chevrolet | K5 Blazer | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | Chevrolet | K5 Blazer | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | Chevrolet | P10 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | Chevrolet | P10 | 5.7L | V8 | — | Heavy Duty; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | Chevrolet | P20 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | Chevrolet | P20 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | Chevrolet | P30 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | Chevrolet | P30 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | Chevrolet | P30 | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | GMC | C15 | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | GMC | C15 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | GMC | C15 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | GMC | C15 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | GMC | C15 | 5.0L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | GMC | C15 Suburban | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | GMC | C15 Suburban | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | GMC | C25 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | GMC | C25 | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | GMC | C25 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | GMC | C25 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | GMC | C25 | 5.0L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | GMC | C25 Suburban | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | GMC | C25 Suburban | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | GMC | C25 Suburban | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | GMC | C25 Suburban | 5.0L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | GMC | C25 Suburban | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | GMC | C35 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | GMC | C35 | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | GMC | C35 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | GMC | C35 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | GMC | C35 | 5.0L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | GMC | Caballero | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | GMC | Caballero | 5.0L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | GMC | G15 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | GMC | G15 | 5.0L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | GMC | G25 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | GMC | G25 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | GMC | G25 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | GMC | G35 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | GMC | G35 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | GMC | G35 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | GMC | Jimmy | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | GMC | Jimmy | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | GMC | Jimmy | 5.0L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | GMC | K15 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | GMC | K15 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | GMC | K15 | 5.0L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | GMC | K15 Suburban | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | GMC | K15 Suburban | 5.7L | V8 | — | Heavy Duty; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | GMC | K15 Suburban | 5.0L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | GMC | K25 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | GMC | K25 | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | GMC | K25 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | GMC | K25 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | GMC | K25 | 5.0L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | GMC | K25 Suburban | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | GMC | K25 Suburban | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | GMC | K25 Suburban | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | GMC | K25 Suburban | 5.0L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | GMC | K35 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | GMC | K35 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | GMC | K35 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | GMC | P15 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | GMC | P25 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | GMC | P25 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | GMC | P35 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | GMC | P35 | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1978 | GMC | P35 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | Chevrolet | C10 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | Chevrolet | C10 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | Chevrolet | C10 | 5.7L | V8 | — | Heavy Duty; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | Chevrolet | C10 | 5.0L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | Chevrolet | C10 Suburban | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | Chevrolet | C10 Suburban | 5.0L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | Chevrolet | C20 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | Chevrolet | C20 | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | Chevrolet | C20 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | Chevrolet | C20 | 5.0L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | Chevrolet | C20 Suburban | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | Chevrolet | C20 Suburban | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | Chevrolet | C20 Suburban | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | Chevrolet | C20 Suburban | 7.4L | V8 | — | Heavy Duty; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | Chevrolet | C20 Suburban | 5.0L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | Chevrolet | C30 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | Chevrolet | C30 | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | Chevrolet | C30 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | Chevrolet | C50 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | Chevrolet | C50 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | Chevrolet | C60 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | Chevrolet | C60 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | Chevrolet | G10 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | Chevrolet | G10 | 5.0L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | Chevrolet | G20 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | Chevrolet | G20 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | Chevrolet | G20 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | Chevrolet | G30 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | Chevrolet | G30 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | Chevrolet | G30 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | Chevrolet | K10 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | Chevrolet | K10 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | Chevrolet | K10 Suburban | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | Chevrolet | K10 Suburban | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | Chevrolet | K10 Suburban | 5.0L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | Chevrolet | K20 | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | Chevrolet | K20 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | Chevrolet | K20 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | Chevrolet | K20 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | Chevrolet | K20 | 5.0L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | Chevrolet | K20 Suburban | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | Chevrolet | K20 Suburban | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | Chevrolet | K20 Suburban | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | Chevrolet | K20 Suburban | 5.0L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | Chevrolet | K30 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | Chevrolet | K30 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | Chevrolet | K30 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | Chevrolet | K5 Blazer | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | Chevrolet | K5 Blazer | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | Chevrolet | P10 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | Chevrolet | P10 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | Chevrolet | P10 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | Chevrolet | P20 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | Chevrolet | P20 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | Chevrolet | P30 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | Chevrolet | P30 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | Chevrolet | P30 | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | GMC | C15 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | GMC | C15 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | GMC | C15 | 5.0L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | GMC | C15 Suburban | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | GMC | C25 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | GMC | C25 | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | GMC | C25 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | GMC | C25 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | GMC | C25 | 5.0L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | GMC | C25 Suburban | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | GMC | C25 Suburban | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | GMC | C25 Suburban | 5.0L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | GMC | C35 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | GMC | C35 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | GMC | C35 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | GMC | G15 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | GMC | G15 | 5.0L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | GMC | G25 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | GMC | G25 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | GMC | G25 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | GMC | G35 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | GMC | G35 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | GMC | G35 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | GMC | Jimmy | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | GMC | Jimmy | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | GMC | Jimmy | 5.0L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | GMC | K15 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | GMC | K15 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | GMC | K15 | 5.0L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | GMC | K15 Suburban | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | GMC | K15 Suburban | 5.7L | V8 | — | Heavy Duty; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | GMC | K15 Suburban | 5.0L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | GMC | K25 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | GMC | K25 | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | GMC | K25 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | GMC | K25 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | GMC | K25 | 5.0L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | GMC | K25 Suburban | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | GMC | K25 Suburban | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | GMC | K25 Suburban | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | GMC | K25 Suburban | 5.0L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | GMC | K35 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | GMC | K35 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | GMC | K35 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | GMC | P15 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | GMC | P25 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | GMC | P25 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | GMC | P35 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | GMC | P35 | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | GMC | P35 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | GMC | Sprint | 5.0L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1977 | GMC | Sprint | 5.7L | V8 | — | Heavy Duty; OE Type; with California Emissions System; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | Chevrolet | C10 | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | Chevrolet | C10 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | Chevrolet | C10 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | Chevrolet | C10 Suburban | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | Chevrolet | C10 Suburban | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | Chevrolet | C20 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | Chevrolet | C20 | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | Chevrolet | C20 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | Chevrolet | C20 Suburban | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | Chevrolet | C20 Suburban | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | Chevrolet | C20 Suburban | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | Chevrolet | C20 Suburban | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | Chevrolet | C30 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | Chevrolet | C30 | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | Chevrolet | C30 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | Chevrolet | C50 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | Chevrolet | C60 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | Chevrolet | G10 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | Chevrolet | G10 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | Chevrolet | G20 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | Chevrolet | G20 | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | Chevrolet | G20 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | Chevrolet | G20 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | Chevrolet | G30 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | Chevrolet | G30 | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | Chevrolet | G30 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | Chevrolet | G30 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | Chevrolet | K10 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | Chevrolet | K10 | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | Chevrolet | K10 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | Chevrolet | K10 Suburban | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | Chevrolet | K20 | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | Chevrolet | K20 | 6.6L | V8 | — | Light Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | Chevrolet | K20 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | Chevrolet | K20 Suburban | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | Chevrolet | K20 Suburban | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | Chevrolet | K20 Suburban | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | Chevrolet | K5 Blazer | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | Chevrolet | K5 Blazer | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | Chevrolet | K5 Blazer | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | Chevrolet | P10 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | Chevrolet | P20 | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | Chevrolet | P20 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | Chevrolet | P20 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | Chevrolet | P30 | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | Chevrolet | P30 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | Chevrolet | P30 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | Chevrolet | P30 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | GMC | C15 | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | GMC | C15 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | GMC | C15 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | GMC | C15 Suburban | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | GMC | C15 Suburban | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | GMC | C25 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | GMC | C25 | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | GMC | C25 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | GMC | C25 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | GMC | C25 Suburban | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | GMC | C25 Suburban | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | GMC | C35 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | GMC | C35 | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | GMC | C35 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | GMC | G15 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | GMC | G15 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | GMC | G25 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | GMC | G25 | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | GMC | G25 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | GMC | G25 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | GMC | G35 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | GMC | G35 | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | GMC | G35 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | GMC | G35 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | GMC | Jimmy | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | GMC | Jimmy | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | GMC | Jimmy | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | GMC | K15 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | GMC | K15 | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | GMC | K15 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | GMC | K15 Suburban | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | GMC | K25 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | GMC | K25 | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | GMC | K25 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | GMC | K25 Suburban | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | GMC | K25 Suburban | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | GMC | K25 Suburban | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | GMC | K25 Suburban | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | GMC | P15 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | GMC | P25 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | GMC | P25 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | GMC | P35 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | GMC | P35 | 7.4L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | GMC | P35 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | GMC | Sprint | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | GMC | Sprint | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1976 | GMC | Sprint | 5.0L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | Chevrolet | C10 | 7.4L | V8 | — | OE Type; without High Energy Ignition (HEI); Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | Chevrolet | C10 | 4.8L | L6 | — | Heavy Duty; OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | Chevrolet | C10 Suburban | 7.4L | V8 | — | OE Type; without High Energy Ignition (HEI); Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | Chevrolet | C10 Suburban | 5.7L | V8 | — | OE Type; without High Energy Ignition (HEI); Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | Chevrolet | C20 | 5.7L | V8 | — | Light Duty; OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | Chevrolet | C20 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | Chevrolet | C20 Suburban | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | Chevrolet | C20 Suburban | 7.4L | V8 | — | OE Type; without High Energy Ignition (HEI); Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | Chevrolet | C20 Suburban | 5.7L | V8 | — | Light Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | Chevrolet | C30 | 7.4L | V8 | — | OE Type; without High Energy Ignition (HEI); Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | Chevrolet | C30 | 5.7L | V8 | — | Light Duty; OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | Chevrolet | C30 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | Chevrolet | C50 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | Chevrolet | C50 | 5.7L | V8 | — | Light Duty; OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | Chevrolet | C60 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | Chevrolet | C60 | 5.7L | V8 | — | Light Duty; OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | Chevrolet | Chevelle | 6.6L | V8 | — | Copper Plus |
| 1975 | Chevrolet | G10 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | Chevrolet | G20 | 6.6L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | Chevrolet | G20 | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | Chevrolet | G20 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | Chevrolet | G30 | 7.4L | V8 | — | OE Type; without High Energy Ignition (HEI); Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | Chevrolet | G30 | 6.6L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | Chevrolet | G30 | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | Chevrolet | G30 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | Chevrolet | K10 | 6.6L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | Chevrolet | K10 | 5.7L | V8 | — | Light Duty; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | Chevrolet | K10 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | Chevrolet | K10 Suburban | 6.6L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | Chevrolet | K10 Suburban | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | Chevrolet | K20 | 6.6L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | Chevrolet | K20 | 5.7L | V8 | — | Light Duty; OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | Chevrolet | K20 | 4.8L | L6 | — | Heavy Duty; OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | Chevrolet | K20 Suburban | 6.6L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | Chevrolet | K20 Suburban | 5.7L | V8 | — | Light Duty; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | Chevrolet | K20 Suburban | 4.8L | L6 | — | Heavy Duty; OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | Chevrolet | K5 Blazer | 6.6L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | Chevrolet | K5 Blazer | 5.7L | V8 | — | Light Duty; OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | Chevrolet | Malibu | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | Chevrolet | Malibu | 6.6L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | Chevrolet | Malibu | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | Chevrolet | P10 | 5.7L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | Chevrolet | P10 | 4.8L | L6 | — | Heavy Duty; OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | Chevrolet | P20 | 5.7L | V8 | — | Light Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | Chevrolet | P20 | 4.8L | L6 | — | Heavy Duty; OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | Chevrolet | P30 | 7.4L | V8 | — | OE Type; without High Energy Ignition (HEI); Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | Chevrolet | P30 | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | Chevrolet | P30 | 4.8L | L6 | — | Heavy Duty; OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | Excalibur | Phaeton | 7.4L | V8 | — | Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | GMC | C15 | 7.4L | V8 | — | OE Type; without High Energy Ignition (HEI); Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | GMC | C15 | 5.7L | V8 | — | Light Duty; OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | GMC | C15 | 4.8L | L6 | — | Heavy Duty; OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | GMC | C15 Suburban | 7.4L | V8 | — | OE Type; without High Energy Ignition (HEI); Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | GMC | C15 Suburban | 5.7L | V8 | — | Light Duty; OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | GMC | C25 | 7.4L | V8 | — | OE Type; without High Energy Ignition (HEI); Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | GMC | C25 | 5.7L | V8 | — | Light Duty; OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | GMC | C25 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | GMC | C25 Suburban | 7.4L | V8 | — | OE Type; without High Energy Ignition (HEI); Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | GMC | C25 Suburban | 5.7L | V8 | — | OE Type; without High Energy Ignition (HEI); Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | GMC | C25 Suburban | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | GMC | C35 | 7.4L | V8 | — | OE Type; without High Energy Ignition (HEI); Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | GMC | C35 | 5.7L | V8 | — | Light Duty; OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | GMC | C35 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | GMC | G15 | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | GMC | G25 | 7.4L | V8 | — | OE Type; without High Energy Ignition (HEI); Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | GMC | G25 | 6.6L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | GMC | G25 | 5.7L | V8 | — | OE Type; without High Energy Ignition (HEI); Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | GMC | G25 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | GMC | G35 | 6.6L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | GMC | G35 | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | GMC | G35 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | GMC | Jimmy | 6.6L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | GMC | Jimmy | 5.7L | V8 | — | Light Duty; OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | GMC | K15 | 6.6L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | GMC | K15 | 5.7L | V8 | — | Light Duty; OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | GMC | K15 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | GMC | K15 Suburban | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | GMC | K15 Suburban | 5.7L | V8 | — | OE Type; without High Energy Ignition (HEI); Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | GMC | K25 | 5.7L | V8 | — | Light Duty; OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | GMC | K25 | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | GMC | K25 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | GMC | K25 Suburban | 6.6L | V8 | — | Heavy Duty; OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | GMC | K25 Suburban | 5.7L | V8 | — | Light Duty; OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | GMC | K25 Suburban | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | GMC | P15 | 4.8L | L6 | — | Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | GMC | P25 | 5.7L | V8 | — | Heavy Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | GMC | P25 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | GMC | P35 | 7.4L | V8 | — | OE Type; without High Energy Ignition (HEI); Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | GMC | P35 | 5.7L | V8 | — | Light Duty; OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | GMC | P35 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1975 | GMC | Sprint | 5.7L | V8 | — | Light Duty; OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | Chevrolet | Bel Air | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | Chevrolet | Bel Air | 6.6L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | Chevrolet | Bel Air | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | Chevrolet | Blazer | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | Chevrolet | Blazer | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | Chevrolet | Blazer | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | Chevrolet | C10 Pickup | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | Chevrolet | C10 Pickup | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | Chevrolet | C10 Pickup | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | Chevrolet | C10 Suburban | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | Chevrolet | C10 Suburban | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | Chevrolet | C10 Suburban | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | Chevrolet | C20 Pickup | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | Chevrolet | C20 Pickup | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | Chevrolet | C20 Pickup | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | Chevrolet | C20 Suburban | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | Chevrolet | C20 Suburban | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | Chevrolet | C20 Suburban | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | Chevrolet | C30 Pickup | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | Chevrolet | C30 Pickup | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | Chevrolet | C30 Pickup | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | Chevrolet | C50 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | Chevrolet | C50 | 4.1L | L6 | — | Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | Chevrolet | C50 | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | Chevrolet | C60 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | Chevrolet | C60 | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | Chevrolet | C60 | 7.8L | V6 | — | Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | Chevrolet | Camaro | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | Chevrolet | Caprice | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | Chevrolet | Caprice | 6.6L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | Chevrolet | Caprice | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | Chevrolet | Chevelle | 7.4L | V8 | — | Copper Plus |
| 1974 | Chevrolet | Corvette | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | Chevrolet | Corvette | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | Chevrolet | El Camino | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | Chevrolet | El Camino | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | Chevrolet | G10 Van | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | Chevrolet | G10 Van | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | Chevrolet | G20 Van | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | Chevrolet | G20 Van | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | Chevrolet | G20 Van | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | Chevrolet | G30 Van | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | Chevrolet | G30 Van | 4.8L | L6 | LPG | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | Chevrolet | G30 Van | 4.8L | L6 | GAS | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | Chevrolet | G30 Van | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | Chevrolet | Impala | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | Chevrolet | Impala | 6.6L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | Chevrolet | Impala | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | Chevrolet | K10 Pickup | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | Chevrolet | K10 Pickup | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | Chevrolet | K10 Pickup | 7.4L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | Chevrolet | K10 Suburban | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | Chevrolet | K10 Suburban | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | Chevrolet | K20 Pickup | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | Chevrolet | K20 Pickup | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | Chevrolet | K20 Pickup | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | Chevrolet | K20 Suburban | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | Chevrolet | K20 Suburban | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | Chevrolet | K20 Suburban | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | Chevrolet | K30 Pickup | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | Chevrolet | K30 Pickup | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | Chevrolet | K30 Pickup | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | Chevrolet | Monte Carlo | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | Chevrolet | Monte Carlo | 6.6L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | Chevrolet | Monte Carlo | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | Chevrolet | Nova | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | Chevrolet | P20 Van | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | Chevrolet | P20 Van | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | Chevrolet | P30 Van | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | Chevrolet | P30 Van | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | Chevrolet | P30 Van | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | Excalibur | Phaeton | 7.4L | V8 | — | Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | GMC | C15/C1500 Pickup | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | GMC | C15/C1500 Pickup | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | GMC | C15/C1500 Pickup | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | GMC | C15/C1500 Suburban | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | GMC | C15/C1500 Suburban | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | GMC | C15/C1500 Suburban | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | GMC | C25/C2500 Pickup | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | GMC | C25/C2500 Pickup | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | GMC | C25/C2500 Pickup | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | GMC | C25/C2500 Suburban | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | GMC | C25/C2500 Suburban | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | GMC | C25/C2500 Suburban | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | GMC | C35/C3500 Pickup | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | GMC | C35/C3500 Pickup | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | GMC | C35/C3500 Pickup | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | GMC | G15/G1500 Van | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | GMC | G25/G2500 Van | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | GMC | G25/G2500 Van | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | GMC | G35/G3500 Van | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | GMC | G35/G3500 Van | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | GMC | G35/G3500 Van | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | GMC | Jimmy | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | GMC | Jimmy | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | GMC | Jimmy | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | GMC | K15/K1500 Pickup | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | GMC | K15/K1500 Pickup | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | GMC | K15/K1500 Pickup | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | GMC | K15/K1500 Suburban | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | GMC | K15/K1500 Suburban | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | GMC | K25/K2500 Pickup | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | GMC | K25/K2500 Pickup | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | GMC | K25/K2500 Pickup | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | GMC | K25/K2500 Suburban | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | GMC | K25/K2500 Suburban | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | GMC | K25/K2500 Suburban | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | GMC | K35/K3500 Pickup | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | GMC | K35/K3500 Pickup | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | GMC | K35/K3500 Pickup | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | GMC | P25/P2500 Van | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | GMC | P25/P2500 Van | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | GMC | P35/P3500 Van | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | GMC | P35/P3500 Van | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | GMC | P35/P3500 Van | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | GMC | Sprint | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | GMC | Sprint | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | Iso | Grifo | 7.0L | V8 | — | Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1974 | Iso | Lele | 5.7L | V8 | — | Gap 0.034 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | Bel Air | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | Bel Air | 6.6L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | Bel Air | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | Blazer | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | Blazer | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | Blazer | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | Blazer | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | C10 Pickup | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | C10 Pickup | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | C10 Pickup | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | C10 Pickup | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | C10 Suburban | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | C10 Suburban | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | C10 Suburban | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | C10 Suburban | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | C20 Pickup | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | C20 Pickup | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | C20 Pickup | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | C20 Pickup | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | C20 Suburban | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | C20 Suburban | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | C20 Suburban | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | C20 Suburban | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | C30 Pickup | 5.7L | V8 | GAS | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | C30 Pickup | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | C30 Pickup | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | C30 Pickup | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | C50 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | C50 | 4.1L | L6 | — | Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | C50 | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | C60 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | C60 | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | Camaro | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | Camaro | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | Caprice | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | Caprice | 6.6L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | Caprice | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | Caprice | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | Chevelle | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | Chevelle | 6.6L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | Chevelle | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | Chevelle | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | Corvette | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | Corvette | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | El Camino | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | El Camino | 6.6L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | El Camino | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | El Camino | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | G10 Van | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | G10 Van | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | G10 Van | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | G20 Van | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | G20 Van | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | G20 Van | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | G20 Van | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | G30 Van | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | G30 Van | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | Impala | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | Impala | 6.6L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | Impala | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | Impala | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | K10 Pickup | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | K10 Pickup | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | K10 Pickup | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | K10 Pickup | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | K10 Suburban | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | K10 Suburban | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | K10 Suburban | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | K20 Pickup | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | K20 Pickup | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | K20 Pickup | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | K20 Pickup | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | K20 Suburban | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | K20 Suburban | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | K20 Suburban | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | K20 Suburban | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | K30 Pickup | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | K30 Pickup | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | K30 Pickup | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | K30 Pickup | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | Monte Carlo | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | Monte Carlo | 6.6L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | Monte Carlo | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | Nova | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | Nova | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | P10 Van | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | P10 Van | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | P10 Van | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | P20 Van | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | P20 Van | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | P20 Van | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | P20 Van | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | P30 Van | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | P30 Van | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | P30 Van | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Chevrolet | P30 Van | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Excalibur | Phaeton | 7.4L | V8 | — | Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | GMC | C15/C1500 Pickup | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | GMC | C15/C1500 Pickup | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | GMC | C15/C1500 Pickup | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | GMC | C15/C1500 Pickup | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | GMC | C15/C1500 Suburban | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | GMC | C15/C1500 Suburban | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | GMC | C15/C1500 Suburban | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | GMC | C15/C1500 Suburban | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | GMC | C25/C2500 Pickup | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | GMC | C25/C2500 Pickup | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | GMC | C25/C2500 Pickup | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | GMC | C25/C2500 Pickup | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | GMC | C25/C2500 Suburban | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | GMC | C25/C2500 Suburban | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | GMC | C25/C2500 Suburban | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | GMC | C25/C2500 Suburban | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | GMC | C35/C3500 Pickup | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | GMC | C35/C3500 Pickup | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | GMC | C35/C3500 Pickup | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | GMC | C35/C3500 Pickup | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | GMC | G15/G1500 Van | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | GMC | G15/G1500 Van | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | GMC | G25/G2500 Van | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | GMC | G25/G2500 Van | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | GMC | G35/G3500 Van | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | GMC | G35/G3500 Van | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | GMC | G35/G3500 Van | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | GMC | Jimmy | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | GMC | Jimmy | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | GMC | Jimmy | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | GMC | Jimmy | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | GMC | K15/K1500 Pickup | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | GMC | K15/K1500 Pickup | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | GMC | K15/K1500 Pickup | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | GMC | K15/K1500 Pickup | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | GMC | K15/K1500 Suburban | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | GMC | K15/K1500 Suburban | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | GMC | K15/K1500 Suburban | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | GMC | K25/K2500 Pickup | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | GMC | K25/K2500 Pickup | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | GMC | K25/K2500 Pickup | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | GMC | K25/K2500 Pickup | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | GMC | K25/K2500 Suburban | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | GMC | K25/K2500 Suburban | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | GMC | K25/K2500 Suburban | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | GMC | K25/K2500 Suburban | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | GMC | K35/K3500 Pickup | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | GMC | K35/K3500 Pickup | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | GMC | K35/K3500 Pickup | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | GMC | K35/K3500 Pickup | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | GMC | P15/P1500 Van | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | GMC | P25/P2500 Van | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | GMC | P25/P2500 Van | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | GMC | P25/P2500 Van | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | GMC | P35/P3500 Van | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | GMC | P35/P3500 Van | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | GMC | P35/P3500 Van | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | GMC | P35/P3500 Van | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | GMC | Sprint | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | GMC | Sprint | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | GMC | Sprint | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Iso | Grifo | 7.0L | V8 | — | Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1973 | Iso | Lele | 5.7L | V8 | — | Gap 0.034 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Avanti | II | 5.7L | V8 | — | Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | Bel Air | 6.6L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | Bel Air | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | Bel Air | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | Biscayne | 6.6L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | Biscayne | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | Biscayne | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | Blazer | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | Blazer | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | Blazer | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | Brookwood | 6.6L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | Brookwood | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | Brookwood | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | Brookwood | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | C10 Pickup | 6.6L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | C10 Pickup | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | C10 Pickup | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | C10 Pickup | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | C10 Suburban | 6.6L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | C10 Suburban | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | C10 Suburban | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | C10 Suburban | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | C20 Pickup | 6.6L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | C20 Pickup | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | C20 Pickup | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | C20 Pickup | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | C20 Suburban | 6.6L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | C20 Suburban | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | C20 Suburban | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | C20 Suburban | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | C30 Pickup | 6.6L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | C30 Pickup | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | C30 Pickup | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | C30 Pickup | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | C50 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | C50 | 4.1L | L6 | — | Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | C50 | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | C60 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | C60 | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | Camaro | 6.6L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | Camaro | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | Camaro | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | Caprice | 6.6L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | Caprice | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | Caprice | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | Caprice | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | Chevelle | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | Chevelle | 6.6L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | Chevelle | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | Chevelle | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | Corvette | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | Corvette | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | El Camino | 6.6L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | El Camino | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | El Camino | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | El Camino | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | G10 Van | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | G10 Van | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | G20 Van | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | G20 Van | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | G20 Van | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | G30 Van | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | G30 Van | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | Impala | 6.6L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | Impala | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | Impala | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | Impala | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | K10 Pickup | 6.6L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | K10 Pickup | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | K10 Pickup | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | K10 Pickup | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | K10 Suburban | 6.6L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | K10 Suburban | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | K10 Suburban | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | K20 Pickup | 6.6L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | K20 Pickup | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | K20 Pickup | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | K20 Pickup | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | K20 Suburban | 6.6L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | K20 Suburban | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | K20 Suburban | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | K20 Suburban | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | K30 Pickup | 6.6L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | K30 Pickup | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | K30 Pickup | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | K30 Pickup | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | Kingswood | 6.6L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | Kingswood | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | Kingswood | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | Kingswood | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | Monte Carlo | 6.6L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | Monte Carlo | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | Monte Carlo | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | Nova | 6.6L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | Nova | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | Nova | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | P20 Van | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | P20 Van | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | P30 Van | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | P30 Van | 6.6L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | P30 Van | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | Townsman | 6.6L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | Townsman | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | Townsman | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Chevrolet | Townsman | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Excalibur | Phaeton | 7.4L | V8 | — | Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | GMC | C15/C1500 Pickup | 6.6L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | GMC | C15/C1500 Pickup | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | GMC | C15/C1500 Pickup | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | GMC | C15/C1500 Pickup | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | GMC | C15/C1500 Suburban | 6.6L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | GMC | C15/C1500 Suburban | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | GMC | C15/C1500 Suburban | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | GMC | C15/C1500 Suburban | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | GMC | C25/C2500 Pickup | 6.6L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | GMC | C25/C2500 Pickup | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | GMC | C25/C2500 Pickup | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | GMC | C25/C2500 Pickup | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | GMC | C25/C2500 Suburban | 6.6L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | GMC | C25/C2500 Suburban | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | GMC | C25/C2500 Suburban | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | GMC | C25/C2500 Suburban | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | GMC | C35/C3500 Pickup | 6.6L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | GMC | C35/C3500 Pickup | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | GMC | C35/C3500 Pickup | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | GMC | C35/C3500 Pickup | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | GMC | G15/G1500 Van | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | GMC | G15/G1500 Van | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | GMC | G25/G2500 Van | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | GMC | G25/G2500 Van | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | GMC | G35/G3500 Van | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | GMC | G35/G3500 Van | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | GMC | Jimmy | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | GMC | Jimmy | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | GMC | Jimmy | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | GMC | K15/K1500 Pickup | 6.6L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | GMC | K15/K1500 Pickup | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | GMC | K15/K1500 Pickup | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | GMC | K15/K1500 Pickup | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | GMC | K15/K1500 Suburban | 6.6L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | GMC | K15/K1500 Suburban | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | GMC | K15/K1500 Suburban | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | GMC | K25/K2500 Pickup | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | GMC | K25/K2500 Pickup | 6.6L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | GMC | K25/K2500 Pickup | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | GMC | K25/K2500 Pickup | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | GMC | K25/K2500 Suburban | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | GMC | K25/K2500 Suburban | 6.6L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | GMC | K25/K2500 Suburban | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | GMC | K25/K2500 Suburban | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | GMC | K35/K3500 Pickup | 6.6L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | GMC | K35/K3500 Pickup | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | GMC | K35/K3500 Pickup | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | GMC | K35/K3500 Pickup | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | GMC | P15/P1500 Van | 6.6L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | GMC | P15/P1500 Van | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | GMC | P25/P2500 Van | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | GMC | P25/P2500 Van | 6.6L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | GMC | P25/P2500 Van | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | GMC | P25/P2500 Van | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | GMC | P35/P3500 Van | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | GMC | P35/P3500 Van | 6.6L | V8 | — | OE Type; Gap 0.045 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | GMC | P35/P3500 Van | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | GMC | P35/P3500 Van | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | GMC | Sprint | 7.4L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | GMC | Sprint | 6.6L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | GMC | Sprint | 5.7L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | GMC | Sprint | 5.0L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Iso | Grifo | 7.0L | V8 | — | Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1972 | Iso | Lele | 5.7L | V8 | — | Gap 0.034 (in); Plug Type Number RV12C; Copper Plus |
| 1971 | Chevrolet | Blazer | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1971 | Chevrolet | Blazer | 5.7L | V8 | — | OE Type; with 215 Horsepower Engine; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1971 | Chevrolet | C10 Pickup | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1971 | Chevrolet | C10 Pickup | 5.7L | V8 | — | OE Type; with 215 Horsepower Engine; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1971 | Chevrolet | C10 Suburban | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1971 | Chevrolet | C10 Suburban | 5.7L | V8 | — | OE Type; with 215 Horsepower Engine; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1971 | Chevrolet | C20 Pickup | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1971 | Chevrolet | C20 Pickup | 5.7L | V8 | — | OE Type; with 215 Horsepower Engine; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1971 | Chevrolet | C20 Suburban | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1971 | Chevrolet | C20 Suburban | 5.7L | V8 | — | OE Type; with 215 Horsepower Engine; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1971 | Chevrolet | C30 Pickup | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1971 | Chevrolet | C30 Pickup | 5.7L | V8 | — | OE Type; with 215 Horsepower Engine; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1971 | Chevrolet | C50 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1971 | Chevrolet | C50 | 4.1L | L6 | — | Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1971 | Chevrolet | C50 | 5.7L | V8 | — | OE Type; with 215 Horsepower Engine; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1971 | Chevrolet | C60 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1971 | Chevrolet | C60 | 5.7L | V8 | — | OE Type; with 215 Horsepower Engine; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1971 | Chevrolet | El Camino | 5.7L | V8 | — | OE Type; with 215 Horsepower Engine; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1971 | Chevrolet | G10 Van | 5.7L | V8 | — | OE Type; with 215 Horsepower Engine; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1971 | Chevrolet | G20 Van | 5.7L | V8 | — | OE Type; with 215 Horsepower Engine; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1971 | Chevrolet | G20 Van | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1971 | Chevrolet | G30 Van | 5.7L | V8 | — | OE Type; with 215 Horsepower Engine; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1971 | Chevrolet | G30 Van | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1971 | Chevrolet | Impala | 7.4L | V8 | — | Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1971 | Chevrolet | K10 Pickup | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1971 | Chevrolet | K10 Pickup | 5.7L | V8 | — | OE Type; with 215 Horsepower Engine; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1971 | Chevrolet | K10 Suburban | 5.7L | V8 | — | OE Type; with 215 Horsepower Engine; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1971 | Chevrolet | K20 Pickup | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1971 | Chevrolet | K20 Pickup | 5.7L | V8 | — | OE Type; with 215 Horsepower Engine; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1971 | Chevrolet | K20 Suburban | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1971 | Chevrolet | K20 Suburban | 5.7L | V8 | — | OE Type; with 215 Horsepower Engine; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1971 | Chevrolet | K30 Pickup | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1971 | Chevrolet | K30 Pickup | 5.7L | V8 | — | OE Type; with 215 Horsepower Engine; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1971 | Chevrolet | P20 Van | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1971 | Chevrolet | P20 Van | 5.7L | V8 | — | with 215 Horsepower Engine; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1971 | Chevrolet | P30 Van | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1971 | Chevrolet | P30 Van | 5.7L | V8 | — | OE Type; with 215 Horsepower Engine; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1971 | GMC | C15/C1500 Pickup | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1971 | GMC | C15/C1500 Pickup | 5.7L | V8 | — | OE Type; with 215 Horsepower Engine; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1971 | GMC | C15/C1500 Suburban | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1971 | GMC | C15/C1500 Suburban | 5.7L | V8 | — | OE Type; with 215 Horsepower Engine; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1971 | GMC | C25/C2500 Pickup | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1971 | GMC | C25/C2500 Pickup | 5.7L | V8 | — | OE Type; with 215 Horsepower Engine; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1971 | GMC | C25/C2500 Suburban | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1971 | GMC | C25/C2500 Suburban | 5.7L | V8 | — | OE Type; with 215 Horsepower Engine; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1971 | GMC | C35/C3500 Pickup | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1971 | GMC | C35/C3500 Pickup | 5.7L | V8 | — | OE Type; with 215 Horsepower Engine; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1971 | GMC | G15/G1500 Van | 5.7L | V8 | — | OE Type; with 215 Horsepower Engine; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1971 | GMC | G25/G2500 Van | 5.7L | V8 | — | OE Type; with 215 Horsepower Engine; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1971 | GMC | G35/G3500 Van | 5.7L | V8 | — | OE Type; with 215 Horsepower Engine; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1971 | GMC | Jimmy | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1971 | GMC | Jimmy | 5.7L | V8 | — | OE Type; with 215 Horsepower Engine; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1971 | GMC | K15/K1500 Pickup | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1971 | GMC | K15/K1500 Pickup | 5.7L | V8 | — | OE Type; with 215 Horsepower Engine; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1971 | GMC | K15/K1500 Suburban | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1971 | GMC | K15/K1500 Suburban | 5.7L | V8 | — | OE Type; with 215 Horsepower Engine; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1971 | GMC | K25/K2500 Pickup | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1971 | GMC | K25/K2500 Pickup | 5.7L | V8 | — | OE Type; with 215 Horsepower Engine; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1971 | GMC | K25/K2500 Suburban | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1971 | GMC | K25/K2500 Suburban | 5.7L | V8 | — | OE Type; with 215 Horsepower Engine; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1971 | GMC | K35/K3500 Pickup | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1971 | GMC | K35/K3500 Pickup | 5.7L | V8 | — | OE Type; with 215 Horsepower Engine; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1971 | GMC | P25/P2500 Van | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1971 | GMC | P25/P2500 Van | 5.7L | V8 | — | OE Type; with 215 Horsepower Engine; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1971 | GMC | P35/P3500 Van | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1971 | GMC | P35/P3500 Van | 5.7L | V8 | — | OE Type; with 215 Horsepower Engine; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1971 | GMC | Sprint | 5.7L | V8 | — | OE Type; with 215 Horsepower Engine; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1970 | Chevrolet | Bel Air | 6.6L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1970 | Chevrolet | Biscayne | 6.6L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1970 | Chevrolet | Blazer | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1970 | Chevrolet | Brookwood | 6.6L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1970 | Chevrolet | C10 Pickup | 6.6L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1970 | Chevrolet | C10 Pickup | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1970 | Chevrolet | C10 Suburban | 6.6L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1970 | Chevrolet | C10 Suburban | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1970 | Chevrolet | C20 Pickup | 6.6L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1970 | Chevrolet | C20 Pickup | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1970 | Chevrolet | C20 Suburban | 6.6L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1970 | Chevrolet | C20 Suburban | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1970 | Chevrolet | C30 Pickup | 6.6L | V8 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1970 | Chevrolet | C30 Pickup | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1970 | Chevrolet | C50 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1970 | Chevrolet | C50 | 4.1L | L6 | — | Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1970 | Chevrolet | C60 | 4.8L | L6 | — | OE Type; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
| 1970 | Chevrolet | Camaro | 6.6L | V8 | — | 7/16 (in) Reach Spark Plugs; OE Type; with 350 Horsepower Engine; Gap 0.035 (in); Plug Type Number RV12C; Copper Plus |
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