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Champion 7304 Spark Plug
| Brand | Champion 7304 |
|---|---|
| Center Electrode Diameter (Inch) | 0.1 |
| Center Electrode Tip Material | Platinum |
| Classification | Champion Double Platinum |
| Classification | Champion Double Platinum Power |
| Electrical Terminal Type | Removable Nut |
| Ground Electrode Core Material | Platinum |
| Ground Electrode Material | Platinum Pad Surface |
| Ground Electrode Quantity | 1 |
| Hex Size | 0.625 |
| Hex Size | 15.880 |
| Hex Type | Hex |
| Installed Height (Inch) | 2.08 |
| Insulator Height | 0.06 |
| Insulator Projection (Inch) | 0.06 |
| Manufacturer Heat Range | 9 |
| Plug Type | RS9PYP |
| Pre-Gap Size | 0.039 |
| Pre-Gap Size | 1.00 |
| Reach | 0.689 |
| Resistor Type | Yes |
| Seat Type | Tapered |
| Taper Diameter (Inch) | 0.25 |
| Thread Diameter | 0.551 |
| Thread Diameter | 14.000 |
| Product line | Double Platinum Power |
| Fits | Ford, Aston Martin, Cadillac, Chevrolet, Mobility Ventures, Lincoln, Mercury, Jaguar, Mazda, Audi, Dodge, Eagle, Peugeot, Pontiac, Volvo, and DeLorean · 335 vehicles |
Double platinum design. Platinum center and ground electrodes help deliver sharper spark focus and longer life.
Heat-Active alloy. Promotes more powerful performance across the spark plug's operating range.
Resistor type. Helps reduce electrical noise for cleaner ignition performance.
Cross-references AMS Automotive 4968, Autolite AP103 and Autolite APP103 for the same application. See all 35.
Champion Double Platinum Power Spark Plug 7304
Champion Double Platinum Power spark plug 7304 is built for drivers who need consistent ignition performance and long service life. It uses platinum on both the center and ground electrodes to help maintain a sharp spark focus and stable operation across a wide range of vehicles.
The Double Platinum Power line emphasizes durable ignition performance for applications such as Ford E-350 Super Duty, Ford Mustang, and Chevrolet Corvette. If you are replacing worn plugs in a high-mileage engine or servicing an OE-style ignition setup, Champion 7304 offers a direct-fit spark plug option with the correct taper seat and resistor design.
Key Features
- Platinum fine-wire center electrode for durable spark delivery
- Platinum pad ground electrode for extended service life
- Heat-Active alloy construction for consistent thermal response
- Pre-gapped at 0.039 in. / 1.00 mm
- Resistor spark plug design for reduced electrical noise
- Tapered seat with 14 mm thread diameter and 0.689 in. reach
- Removable nut terminal for common ignition wire and coil connections
Product Details
Champion Double Platinum Power 7304 is a secondary ignition spark plug engineered around platinum electrode materials and a focused spark path. The fine-wire center electrode and platinum pad ground electrode help support reliable ignition performance in applications that call for a tapered-seat, resistor-style plug. This part number is listed across a broad range of vehicles, including Ford E-150, Ford E-250, Ford Focus, Ford Crown Victoria, Lincoln Town Car, Mercury Grand Marquis, Cadillac CTS, Chevrolet Camaro, and Chevrolet Corvette.
This part cross-references Monroe Shocks & Struts (e.g., 5809) for the same application.
What It Helps Address
- Hard starting caused by worn or fouled spark plugs
- Rough idle from inconsistent spark delivery
- Misfire conditions related to aged ignition components
- Reduced throttle response from degraded plug performance
- Service intervals that call for platinum spark plug replacement
Installation Notes and Tips
Verify the required plug type, seat style, thread diameter, reach, and heat range before installation. Champion 7304 is a tapered-seat plug with a 0.039 in. pre-gap, but several listed vehicle applications specify different gap settings in the fitment notes, so confirm the engine’s required gap before use. Always inspect ignition wires or coil-on-plug boots, and install to the manufacturer’s torque specification.
Quality Assurance
Champion’s Double Platinum Power line uses platinum electrode materials and Heat-Active alloy construction to support durable ignition performance and sharper spark focus. Part number 7304 is listed with extensive OE-style fitment coverage across Ford, Chevrolet, Cadillac, Lincoln, Mercury, Jaguar, Aston Martin, Audi, Mazda, Pontiac, Volvo, and Dodge applications.
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2019 | Ford | E-350 Super Duty | 6.8L | V10 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2018 | Aston Martin | Rapide | 6.0L | V12 | — | N/A | Gap 0.050 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2018 | Aston Martin | Vanquish | 6.0L | V12 | — | N/A | Gap 0.050 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2018 | Ford | E-350 Super Duty | 6.8L | V10 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2017 | Aston Martin | Rapide | 6.0L | V12 | — | N/A | Gap 0.050 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2017 | Aston Martin | V12 Vantage | 6.0L | V12 | — | N/A | Gap 0.050 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2017 | Aston Martin | Vanquish | 6.0L | V12 | — | N/A | Gap 0.050 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2017 | Ford | E-350 Super Duty | 6.8L | V10 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2016 | Aston Martin | DB9 | 6.0L | V12 | — | N/A | Gap 0.050 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2016 | Aston Martin | Rapide | 6.0L | V12 | — | N/A | Gap 0.050 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2016 | Aston Martin | V12 Vantage | 6.0L | V12 | — | N/A | Gap 0.050 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2016 | Aston Martin | Vanquish | 6.0L | V12 | — | N/A | Gap 0.050 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2016 | Ford | E-350 Super Duty | 6.8L | V10 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2016 | Ford | E-350 Super Duty | 5.4L | V8 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2015 | Aston Martin | DB9 | 6.0L | V12 | — | N/A | Gap 0.050 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2015 | Aston Martin | Rapide | 6.0L | V12 | — | N/A | Gap 0.050 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2015 | Aston Martin | V12 Vantage | 6.0L | V12 | — | N/A | Gap 0.050 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2015 | Aston Martin | Vanquish | 6.0L | V12 | — | N/A | Gap 0.050 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2015 | Cadillac | CTS | 6.2L | V8 | — | N/A | Gap 0.040 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2015 | Chevrolet | Camaro | 6.2L | V8 | — | N/A | Gap 0.040 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2015 | Ford | E-350 Super Duty | 6.8L | V10 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2015 | Ford | E-350 Super Duty | 5.4L | V8 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2014 | Aston Martin | DB9 | 6.0L | V12 | — | N/A | Gap 0.050 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2014 | Aston Martin | Rapide | 6.0L | V12 | — | N/A | Gap 0.050 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2014 | Aston Martin | Vanquish | 6.0L | V12 | — | N/A | Gap 0.050 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2014 | Cadillac | CTS | 6.2L | V8 | — | N/A | Gap 0.040 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2014 | Chevrolet | Camaro | 6.2L | V8 | — | N/A | Gap 0.040 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2014 | Ford | E-150 | 5.4L | V8 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2014 | Ford | E-150 | 4.6L | V8 | — | N/A | Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2014 | Ford | E-250 | 5.4L | V8 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2014 | Ford | E-250 | 4.6L | V8 | — | N/A | Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2014 | Ford | E-350 Super Duty | 6.8L | V10 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2014 | Ford | E-350 Super Duty | 5.4L | V8 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2014 | Ford | Mustang | 5.8L | V8 | — | N/A | Gap 0.035 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2013 | Aston Martin | DB9 | 6.0L | V12 | — | N/A | Gap 0.050 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2013 | Aston Martin | Rapide | 6.0L | V12 | — | N/A | Gap 0.050 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2013 | Aston Martin | V12 Vantage | 6.0L | V12 | — | N/A | Gap 0.050 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2013 | Cadillac | CTS | 6.2L | V8 | — | N/A | Gap 0.040 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2013 | Chevrolet | Camaro | 6.2L | V8 | — | N/A | Gap 0.040 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2013 | Chevrolet | Corvette | 7.0L | V8 | — | N/A | Gap 0.040 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2013 | Chevrolet | Corvette | 6.2L | V8 | — | N/A | Gap 0.040 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2013 | Ford | E-150 | 5.4L | V8 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2013 | Ford | E-250 | 5.4L | V8 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2013 | Ford | E-350 Super Duty | 6.8L | V10 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2013 | Ford | E-350 Super Duty | 5.4L | V8 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2013 | Ford | Mustang | 5.8L | V8 | — | N/A | Gap 0.035 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2012 | Aston Martin | DB9 | 6.0L | V12 | — | N/A | Gap 0.050 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2012 | Aston Martin | Rapide | 6.0L | V12 | — | N/A | Gap 0.050 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2012 | Aston Martin | V12 Vantage | 6.0L | V12 | — | N/A | Gap 0.050 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2012 | Aston Martin | Virage | 6.0L | V12 | — | N/A | Gap 0.050 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2012 | Cadillac | CTS | 6.2L | V8 | — | N/A | Gap 0.040 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2012 | Chevrolet | Camaro | 6.2L | V8 | — | N/A | Gap 0.040 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2012 | Chevrolet | Corvette | 7.0L | V8 | — | N/A | Gap 0.040 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2012 | Chevrolet | Corvette | 6.2L | V8 | — | N/A | Gap 0.040 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2012 | Ford | E-150 | 5.4L | V8 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2012 | Ford | E-250 | 5.4L | V8 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2012 | Ford | E-350 Super Duty | 6.8L | V10 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2012 | Ford | E-350 Super Duty | 5.4L | V8 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2012 | Ford | Mustang | 5.4L | V8 | — | N/A | Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2011 | Aston Martin | DB9 | 6.0L | V12 | — | N/A | Gap 0.050 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2011 | Aston Martin | Rapide | 6.0L | V12 | — | N/A | Gap 0.050 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2011 | Aston Martin | V12 Vantage | 6.0L | V12 | — | N/A | Gap 0.050 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2011 | Cadillac | CTS | 6.2L | V8 | — | N/A | Gap 0.040 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2011 | Chevrolet | Corvette | 7.0L | V8 | — | N/A | Gap 0.040 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2011 | Chevrolet | Corvette | 6.2L | V8 | — | N/A | Gap 0.040 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2011 | Ford | Crown Victoria | 4.6L | V8 | FLEX | N/A | OE Type; Gap 0.044 (in); Including CNG Engine; Plug Type Number RS9PYP4; Double Platinum Power |
| 2011 | Ford | E-150 | 5.4L | V8 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2011 | Ford | E-250 | 5.4L | V8 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2011 | Ford | E-350 Super Duty | 6.8L | V10 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2011 | Ford | E-350 Super Duty | 5.4L | V8 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2011 | Ford | Focus | 2.0L | L4 | — | N/A | Gap 0.051 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2011 | Ford | Mustang | 5.4L | V8 | — | N/A | Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2011 | Lincoln | Town Car | 4.6L | V8 | FLEX | N/A | Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2011 | Mercury | Grand Marquis | 4.6L | V8 | FLEX | N/A | Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2010 | Aston Martin | DB9 | 6.0L | V12 | — | N/A | Gap 0.050 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2010 | Aston Martin | V12 Vantage | 6.0L | V12 | — | N/A | Gap 0.050 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2010 | Cadillac | CTS | 6.2L | V8 | — | N/A | Gap 0.040 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2010 | Chevrolet | Corvette | 7.0L | V8 | — | N/A | Gap 0.040 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2010 | Chevrolet | Corvette | 6.2L | V8 | — | N/A | Gap 0.040 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2010 | Ford | Crown Victoria | 4.6L | V8 | FLEX | N/A | OE Type; Gap 0.044 (in); Including CNG Engine; Plug Type Number RS9PYP4; Double Platinum Power |
| 2010 | Ford | E-150 | 5.4L | V8 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2010 | Ford | E-250 | 5.4L | V8 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2010 | Ford | E-350 Super Duty | 6.8L | V10 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2010 | Ford | E-350 Super Duty | 5.4L | V8 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2010 | Ford | Focus | 2.0L | L4 | — | N/A | Gap 0.051 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2010 | Ford | Mustang | 5.4L | V8 | — | N/A | Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2010 | Lincoln | Town Car | 4.6L | V8 | FLEX | N/A | Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2010 | Mercury | Grand Marquis | 4.6L | V8 | FLEX | N/A | Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2009 | Aston Martin | DB9 | 6.0L | V12 | — | N/A | Gap 0.050 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2009 | Cadillac | CTS | 6.2L | V8 | — | N/A | Gap 0.040 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2009 | Cadillac | STS | 4.4L | V8 | — | N/A | Gap 0.040 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2009 | Cadillac | XLR | 4.4L | V8 | — | N/A | Gap 0.040 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2009 | Chevrolet | Corvette | 7.0L | V8 | — | N/A | Gap 0.040 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2009 | Chevrolet | Corvette | 6.2L | V8 | — | N/A | Gap 0.040 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2009 | Ford | Crown Victoria | 4.6L | V8 | FLEX | N/A | OE Type; Gap 0.044 (in); Including CNG Engine; Plug Type Number RS9PYP4; Double Platinum Power |
| 2009 | Ford | E-150 | 5.4L | V8 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2009 | Ford | E-250 | 5.4L | V8 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2009 | Ford | E-350 Super Duty | 6.8L | V10 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2009 | Ford | E-350 Super Duty | 5.4L | V8 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2009 | Ford | Focus | 2.0L | L4 | — | N/A | Gap 0.051 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2009 | Ford | Mustang | 5.4L | V8 | — | N/A | Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2009 | Lincoln | Town Car | 4.6L | V8 | FLEX | N/A | Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2009 | Mercury | Grand Marquis | 4.6L | V8 | FLEX | N/A | Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2008 | Aston Martin | DB9 | 6.0L | V12 | — | N/A | Gap 0.050 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2008 | Cadillac | STS | 4.4L | V8 | — | N/A | Gap 0.040 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2008 | Cadillac | XLR | 4.4L | V8 | — | N/A | Gap 0.040 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2008 | Chevrolet | Corvette | 7.0L | V8 | — | N/A | Gap 0.040 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2008 | Ford | Crown Victoria | 4.6L | V8 | FLEX | N/A | OE Type; Gap 0.044 (in); Including CNG Engine; Plug Type Number RS9PYP4; Double Platinum Power |
| 2008 | Ford | E-150 | 5.4L | V8 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2008 | Ford | E-250 | 5.4L | V8 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2008 | Ford | E-350 Super Duty | 6.8L | V10 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2008 | Ford | E-350 Super Duty | 5.4L | V8 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2008 | Ford | Focus | 2.0L | L4 | — | N/A | Gap 0.051 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2008 | Ford | Mustang | 5.4L | V8 | — | N/A | Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2008 | Jaguar | X-Type | 3.0L | V6 | — | N/A | Gap 0.050 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2008 | Lincoln | Town Car | 4.6L | V8 | FLEX | N/A | Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2008 | Mercury | Grand Marquis | 4.6L | V8 | FLEX | N/A | Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2007 | Aston Martin | DB9 | 6.0L | V12 | — | N/A | Gap 0.050 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2007 | Cadillac | STS | 4.4L | V8 | — | N/A | Gap 0.040 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2007 | Cadillac | XLR | 4.4L | V8 | — | N/A | Gap 0.040 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2007 | Chevrolet | Corvette | 7.0L | V8 | — | N/A | Gap 0.040 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2007 | Ford | Crown Victoria | 4.6L | V8 | FLEX | N/A | OE Type; Gap 0.044 (in); Including CNG Engine; Plug Type Number RS9PYP4; Double Platinum Power |
| 2007 | Ford | E-150 | 5.4L | V8 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2007 | Ford | E-250 | 5.4L | V8 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2007 | Ford | E-350 Super Duty | 6.8L | V10 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2007 | Ford | E-350 Super Duty | 5.4L | V8 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2007 | Ford | Focus | 2.0L | L4 | — | N/A | Gap 0.051 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2007 | Ford | Mustang | 5.4L | V8 | — | N/A | Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2007 | Jaguar | X-Type | 3.0L | V6 | — | N/A | Gap 0.050 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2007 | Lincoln | Town Car | 4.6L | V8 | FLEX | N/A | Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2007 | Mercury | Grand Marquis | 4.6L | V8 | FLEX | N/A | Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2006 | Aston Martin | DB9 | 6.0L | V12 | — | N/A | Gap 0.050 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2006 | Aston Martin | Vanquish | 6.0L | V12 | — | N/A | OE Type; Gap 0.050 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2006 | Cadillac | STS | 4.4L | V8 | — | N/A | OE Type; Gap 0.040 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2006 | Cadillac | XLR | 4.4L | V8 | — | N/A | OE Type; Gap 0.040 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2006 | Chevrolet | Corvette | 7.0L | V8 | — | N/A | Gap 0.040 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2006 | Ford | Crown Victoria | 4.6L | V8 | FLEX | N/A | OE Type; Gap 0.044 (in); Including CNG Engine; Plug Type Number RS9PYP4; Double Platinum Power |
| 2006 | Ford | E-150 | 5.4L | V8 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2006 | Ford | E-250 | 5.4L | V8 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2006 | Ford | E-350 Super Duty | 6.8L | V10 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2006 | Ford | E-350 Super Duty | 5.4L | V8 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2006 | Ford | Focus | 2.0L | L4 | — | N/A | Gap 0.051 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2006 | Ford | GT | 5.4L | V8 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2006 | Jaguar | X-Type | 3.0L | V6 | — | N/A | Gap 0.050 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2006 | Lincoln | Town Car | 4.6L | V8 | FLEX | N/A | Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2006 | Mercury | Grand Marquis | 4.6L | V8 | FLEX | N/A | Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2005 | Aston Martin | DB9 | 6.0L | V12 | — | N/A | Gap 0.050 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2005 | Aston Martin | Vanquish | 6.0L | V12 | — | N/A | OE Type; Gap 0.050 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2005 | Ford | Crown Victoria | 4.6L | V8 | CNG | N/A | OE Type; Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2005 | Ford | E-150 | 5.4L | V8 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2005 | Ford | E-150 Club Wagon | 5.4L | V8 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2005 | Ford | E-250 | 5.4L | V8 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2005 | Ford | E-350 Club Wagon | 5.4L | V8 | GAS | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2005 | Ford | E-350 Club Wagon | 6.8L | V10 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2005 | Ford | E-350 Super Duty | 5.4L | V8 | GAS | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2005 | Ford | E-350 Super Duty | 6.8L | V10 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2005 | Ford | Excursion | 6.8L | V10 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2005 | Ford | Excursion | 5.4L | V8 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2005 | Ford | GT | 5.4L | V8 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2005 | Ford | Taurus | 3.0L | V6 | FLEX | N/A | Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2005 | Jaguar | X-Type | 3.0L | V6 | — | N/A | Gap 0.050 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2005 | Jaguar | X-Type | 2.5L | V6 | — | N/A | Gap 0.050 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2005 | Mazda | 3 | 2.3L | L4 | — | N/A | Gap 0.052 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2004 | Aston Martin | Vanquish | 6.0L | V12 | — | N/A | OE Type; Gap 0.050 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2004 | Ford | Crown Victoria | 4.6L | V8 | CNG | N/A | OE Type; Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2004 | Ford | E-150 | 5.4L | V8 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2004 | Ford | E-150 Club Wagon | 5.4L | V8 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2004 | Ford | E-250 | 5.4L | V8 | GAS | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2004 | Ford | E-250 | 5.4L | V8 | CNG | N/A | Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2004 | Ford | E-350 Club Wagon | 5.4L | V8 | GAS | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2004 | Ford | E-350 Club Wagon | 5.4L | V8 | CNG | N/A | Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2004 | Ford | E-350 Super Duty | 5.4L | V8 | GAS | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2004 | Ford | E-350 Super Duty | 5.4L | V8 | CNG | N/A | Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2004 | Ford | E-350 Super Duty | 6.8L | V10 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2004 | Ford | Excursion | 6.8L | V10 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2004 | Ford | Excursion | 5.4L | V8 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2004 | Ford | F-150 Heritage | 5.4L | V8 | GAS | N/A | Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2004 | Ford | F-150 Heritage | 5.4L | V8 | CNG | N/A | Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2004 | Ford | Taurus | 3.0L | V6 | FLEX | N/A | Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2004 | Jaguar | X-Type | 3.0L | V6 | — | N/A | Gap 0.050 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2004 | Jaguar | X-Type | 2.5L | V6 | — | N/A | Gap 0.050 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2004 | Mazda | 3 | 2.3L | L4 | — | N/A | Gap 0.052 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2003 | Aston Martin | Vanquish | 6.0L | V12 | — | N/A | OE Type; Gap 0.050 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2003 | Ford | Crown Victoria | 4.6L | V8 | CNG | N/A | OE Type; Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2003 | Ford | E-150 | 5.4L | V8 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2003 | Ford | E-150 Club Wagon | 5.4L | V8 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2003 | Ford | E-250 | 5.4L | V8 | GAS | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2003 | Ford | E-250 | 5.4L | V8 | CNG | N/A | Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2003 | Ford | E-350 Club Wagon | 5.4L | V8 | GAS | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2003 | Ford | E-350 Club Wagon | 5.4L | V8 | CNG | N/A | Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2003 | Ford | E-350 Club Wagon | 6.8L | V10 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2003 | Ford | E-350 Super Duty | 5.4L | V8 | GAS | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2003 | Ford | E-350 Super Duty | 5.4L | V8 | CNG | N/A | Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2003 | Ford | E-350 Super Duty | 6.8L | V10 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2003 | Ford | Excursion | 6.8L | V10 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2003 | Ford | Excursion | 5.4L | V8 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2003 | Ford | Focus | 2.3L | L4 | — | N/A | Gap 0.051 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2003 | Ford | Taurus | 3.0L | V6 | FLEX | N/A | Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2003 | Jaguar | X-Type | 3.0L | V6 | — | N/A | Gap 0.050 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2003 | Jaguar | X-Type | 2.5L | V6 | — | N/A | Gap 0.050 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2002 | Aston Martin | Vanquish | 6.0L | V12 | — | N/A | OE Type; Gap 0.050 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2002 | Ford | Crown Victoria | 4.6L | V8 | CNG | N/A | OE Type; Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2002 | Ford | E-250 Econoline | 5.4L | V8 | CNG | N/A | Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2002 | Ford | E-350 Econoline Club Wagon | 5.4L | V8 | GAS | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2002 | Ford | E-350 Econoline Club Wagon | 5.4L | V8 | CNG | N/A | Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2002 | Ford | E-350 Econoline Club Wagon | 6.8L | V10 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2002 | Ford | E-350 Super Duty | 5.4L | V8 | GAS | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2002 | Ford | E-350 Super Duty | 5.4L | V8 | CNG | N/A | Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2002 | Ford | E-350 Super Duty | 6.8L | V10 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2002 | Ford | Excursion | 6.8L | V10 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2002 | Ford | Excursion | 5.4L | V8 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2002 | Ford | Taurus | 3.0L | V6 | FLEX | N/A | Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2002 | Jaguar | X-Type | 3.0L | V6 | — | N/A | Gap 0.050 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2002 | Jaguar | X-Type | 2.5L | V6 | — | N/A | Gap 0.050 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2001 | Aston Martin | Vanquish | 6.0L | V12 | — | N/A | Gap 0.050 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2001 | Ford | Crown Victoria | 4.6L | V8 | CNG | N/A | OE Type; Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2001 | Ford | E-250 Econoline | 5.4L | V8 | CNG | N/A | Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2001 | Ford | E-350 Econoline Club Wagon | 5.4L | V8 | GAS | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2001 | Ford | E-350 Econoline Club Wagon | 5.4L | V8 | CNG | N/A | Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2001 | Ford | E-350 Econoline Club Wagon | 6.8L | V10 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2001 | Ford | E-350 Super Duty | 5.4L | V8 | GAS | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2001 | Ford | E-350 Super Duty | 5.4L | V8 | CNG | N/A | Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2001 | Ford | E-350 Super Duty | 6.8L | V10 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2001 | Ford | Excursion | 6.8L | V10 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2001 | Ford | Excursion | 5.4L | V8 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2001 | Ford | Taurus | 3.0L | V6 | FLEX | N/A | Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2000 | Ford | Crown Victoria | 4.6L | V8 | CNG | N/A | OE Type; Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2000 | Ford | E-250 Econoline | 5.4L | V8 | CNG | N/A | Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2000 | Ford | E-350 Econoline Club Wagon | 5.4L | V8 | GAS | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2000 | Ford | E-350 Econoline Club Wagon | 5.4L | V8 | CNG | N/A | Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2000 | Ford | E-350 Econoline Club Wagon | 6.8L | V10 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2000 | Ford | E-350 Super Duty | 5.4L | V8 | GAS | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2000 | Ford | E-350 Super Duty | 5.4L | V8 | CNG | N/A | Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2000 | Ford | E-350 Super Duty | 6.8L | V10 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2000 | Ford | Excursion | 6.8L | V10 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2000 | Ford | Excursion | 5.4L | V8 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2000 | Ford | Mustang | 5.4L | V8 | — | N/A | OE Type; Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2000 | Ford | Ranger | 4.0L | V6 | — | N/A | OE Type; Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2000 | Ford | Taurus | 3.0L | V6 | FLEX | N/A | Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 2000 | Mazda | B3000 | 3.0L | V6 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1999 | Audi | A8 Quattro | 4.2L | V8 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1999 | Ford | Crown Victoria | 4.6L | V8 | CNG | N/A | OE Type; Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1999 | Ford | E-250 Econoline | 5.4L | V8 | CNG | N/A | Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1999 | Ford | E-250 Econoline | 5.4L | V8 | BI-FUEL | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1999 | Ford | E-350 Econoline Club Wagon | 5.4L | V8 | GAS | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1999 | Ford | E-350 Econoline Club Wagon | 5.4L | V8 | CNG | N/A | Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1999 | Ford | E-350 Econoline Club Wagon | 5.4L | V8 | BI-FUEL | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1999 | Ford | E-350 Econoline Club Wagon | 6.8L | V10 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1999 | Ford | E-350 Super Duty | 5.4L | V8 | GAS | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1999 | Ford | E-350 Super Duty | 5.4L | V8 | CNG | N/A | Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1999 | Ford | E-350 Super Duty | 5.4L | V8 | BI-FUEL | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1999 | Ford | E-350 Super Duty | 6.8L | V10 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1999 | Ford | F-250 | 5.4L | V8 | GAS | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1999 | Ford | F-250 | 5.4L | V8 | CNG | N/A | Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1999 | Ford | F-250 | 5.4L | V8 | BI-FUEL | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1999 | Ford | Ranger | 4.0L | V6 | — | N/A | OE Type; Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1999 | Ford | Taurus | 3.0L | V6 | FLEX | N/A | Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1999 | Mazda | B3000 | 3.0L | V6 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1998 | Audi | A8 Quattro | 4.2L | V8 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1998 | Ford | Crown Victoria | 4.6L | V8 | CNG | N/A | OE Type; Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1998 | Ford | E-250 Econoline | 5.4L | V8 | CNG | N/A | Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1998 | Ford | E-250 Econoline | 5.4L | V8 | BI-FUEL | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1998 | Ford | E-350 Econoline | 5.4L | V8 | GAS | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1998 | Ford | E-350 Econoline | 5.4L | V8 | CNG | N/A | Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1998 | Ford | E-350 Econoline | 5.4L | V8 | BI-FUEL | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1998 | Ford | E-350 Econoline Club Wagon | 5.4L | V8 | GAS | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1998 | Ford | E-350 Econoline Club Wagon | 5.4L | V8 | CNG | N/A | Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1998 | Ford | E-350 Econoline Club Wagon | 5.4L | V8 | BI-FUEL | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1998 | Ford | E-350 Econoline Club Wagon | 6.8L | V10 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1998 | Ford | F-250 | 5.4L | V8 | GAS | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1998 | Ford | F-250 | 5.4L | V8 | CNG | N/A | Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1998 | Ford | F-250 | 5.4L | V8 | BI-FUEL | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1998 | Ford | Ranger | 4.0L | V6 | — | N/A | OE Type; Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1998 | Ford | Taurus | 3.0L | V6 | FLEX | N/A | Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1997 | Audi | A8 Quattro | 4.2L | V8 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1997 | Ford | Crown Victoria | 4.6L | V8 | CNG | N/A | OE Type; Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1997 | Ford | E-250 Econoline | 5.4L | V8 | CNG | N/A | Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1997 | Ford | E-350 Econoline | 5.4L | V8 | GAS | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1997 | Ford | E-350 Econoline | 5.4L | V8 | CNG | N/A | Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1997 | Ford | E-350 Econoline | 6.8L | V10 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1997 | Ford | E-350 Econoline Club Wagon | 5.4L | V8 | GAS | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1997 | Ford | E-350 Econoline Club Wagon | 5.4L | V8 | CNG | N/A | Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1997 | Ford | E-350 Econoline Club Wagon | 6.8L | V10 | — | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1997 | Ford | F-250 | 5.4L | V8 | GAS | N/A | Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1997 | Ford | F-250 | 5.4L | V8 | CNG | N/A | Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1997 | Ford | Ranger | 4.0L | V6 | — | N/A | OE Type; Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1997 | Ford | Taurus | 3.0L | V6 | FLEX | N/A | Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1996 | Ford | Crown Victoria | 4.6L | V8 | CNG | N/A | OE Type; Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1996 | Ford | Ranger | 4.0L | V6 | — | N/A | OE Type; Gap 0.054 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1996 | Ford | Taurus | 3.0L | V6 | FLEX | N/A | Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1996 | Jaguar | XJ12 | 6.0L | V12 | — | N/A | Gap 0.035 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1995 | Chevrolet | Corvette | 5.7L | V8 | — | N/A | Gap 0.050 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1995 | Jaguar | XJ12 | 6.0L | V12 | — | N/A | Gap 0.035 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1995 | Jaguar | XJS | 6.0L | V12 | — | N/A | Gap 0.035 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1994 | Audi | V8 Quattro | 4.2L | V8 | — | N/A | Gap 0.032 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1994 | Chevrolet | Corvette | 5.7L | V8 | — | N/A | Gap 0.050 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1994 | Jaguar | XJ12 | 6.0L | V12 | — | N/A | Gap 0.035 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1994 | Jaguar | XJS | 6.0L | V12 | — | N/A | Gap 0.035 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1993 | Audi | V8 Quattro | 4.2L | V8 | — | N/A | Gap 0.032 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1993 | Chevrolet | Corvette | 5.7L | V8 | — | N/A | Gap 0.050 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1993 | Jaguar | XJRS | 6.0L | V12 | — | N/A | Gap 0.035 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1992 | Audi | V8 Quattro | 4.2L | V8 | — | N/A | Gap 0.032 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1992 | Dodge | Monaco | 3.0L | V6 | — | N/A | Gap 0.035 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1992 | Jaguar | XJ12 | 5.3L | V12 | — | N/A | Gap 0.035 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1991 | Audi | V8 Quattro | 3.6L | V8 | — | N/A | Gap 0.032 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1991 | Dodge | Monaco | 3.0L | V6 | — | N/A | Gap 0.035 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1991 | Jaguar | XJ12 | 5.3L | V12 | — | N/A | Gap 0.035 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1990 | Audi | V8 Quattro | 3.6L | V8 | — | N/A | Gap 0.032 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1990 | Dodge | Monaco | 3.0L | V6 | — | N/A | Gap 0.035 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1990 | Jaguar | XJ12 | 5.3L | V12 | — | N/A | Gap 0.035 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1990 | Pontiac | Grand Prix | 3.1L | V6 | — | N/A | Gap 0.045 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1990 | Volvo | 760 | 2.8L | V6 | — | N/A | Gap 0.028 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1990 | Volvo | 780 | 2.8L | V6 | — | N/A | Gap 0.028 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1989 | Jaguar | XJ12 | 5.3L | V12 | — | N/A | Gap 0.035 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1989 | Pontiac | Firebird | 3.8L | V6 | — | N/A | Gap 0.035 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1989 | Pontiac | Grand Prix | 3.1L | V6 | — | N/A | Gap 0.045 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1989 | Volvo | 760 | 2.8L | V6 | — | N/A | Gap 0.028 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1989 | Volvo | 780 | 2.8L | V6 | — | N/A | Gap 0.028 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1988 | Jaguar | XJ12 | 5.3L | V12 | — | N/A | Gap 0.035 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1988 | Volvo | 760 | 2.8L | V6 | — | N/A | Gap 0.028 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1988 | Volvo | 780 | 2.8L | V6 | — | N/A | Gap 0.028 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1987 | Jaguar | XJ12 | 5.3L | V12 | — | N/A | Gap 0.035 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1987 | Volvo | 760 | 2.8L | V6 | — | N/A | Gap 0.028 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1987 | Volvo | 780 | 2.8L | V6 | — | N/A | Gap 0.028 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1986 | Jaguar | XJ12 | 5.3L | V12 | — | N/A | Gap 0.035 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1986 | Volvo | 760 | 2.8L | V6 | — | N/A | Gap 0.028 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1985 | Ford | Escort | 1.6L | L4 | — | N/A | Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1985 | Jaguar | XJ12 | 5.3L | V12 | — | N/A | Gap 0.035 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1985 | Volvo | 760 | 2.8L | V6 | — | N/A | Gap 0.028 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1984 | Ford | Escort | 1.6L | L4 | — | N/A | Gap 0.044 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1984 | Jaguar | XJ12 | 5.3L | V12 | — | N/A | Gap 0.035 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1984 | Volvo | 760 | 2.8L | V6 | — | N/A | Gap 0.028 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1983 | Jaguar | XJ12 | 5.3L | V12 | — | N/A | Gap 0.035 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1983 | Volvo | 760 | 2.8L | V6 | — | N/A | Gap 0.028 (in); Plug Type Number RS9PYP4; Double Platinum Power |
| 1982 | Jaguar | XJ12 | 5.3L | V12 | — | N/A | Gap 0.035 (in); Plug Type Number RS9PYP4; Double Platinum Power |
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