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Champion 434 Spark Plug
| Brand | Champion 434 |
|---|---|
| Center Electrode Diameter (Inch) | 0.1 |
| Center Electrode Tip Material | Nickel |
| Classification | Champion Copper Plus |
| Electrical Terminal Type | Non-Removable Nut |
| Ground Electrode Core Material | Nickel |
| Ground Electrode Material | Nickel Copper Alloy |
| Ground Electrode Quantity | 1 |
| Hex Size | 0.625 |
| Hex Size | 15.880 |
| Hex Type | Hex |
| Installed Height (Inch) | 1.99 |
| Insulator Height | 0.12 |
| Insulator Projection (Inch) | 0.12 |
| Manufacturer Heat Range | 9 |
| Plug Type | RC9MC4 |
| Pre-Gap Size | 0.045 |
| Pre-Gap Size | 1.14 |
| Reach | 0.75 |
| Resistor Type | Yes |
| Seat Type | Flat |
| Taper Diameter (Inch) | 0.25 |
| Thread Diameter | 0.551 |
| Thread Diameter | 14.000 |
| Product line | Copper Plus |
| Fits | Kawasaki, Scion, Subaru, Toyota, Chevrolet, BMW, Pontiac, Mitsubishi, Suzuki, Acura, Honda, Porsche, Lexus, Volkswagen, Dodge, Ford, and Mazda · 154 vehicles |
Copper core electrode. Improves conductivity and heat control for steady wear.
Resistor type. Helps reduce electrical noise in the ignition system.
Champion Copper Plus. Dependable performance from Champion's spark plug line.
Cross-references AMS Automotive 4434, Anchor 8894 and Karlyn 784 for the same application. See all 12.
Champion Copper Plus 434 Spark Plug
Champion Copper Plus 434 is a replacement spark plug built for dependable ignition performance and stable heat control. Its copper core electrode helps improve conductivity, while the nickel center and ground electrode materials support consistent wear for everyday driving.
Compatible With applications such as 2001-2005 Honda Civic, 2004-2006 Toyota Camry, and 2003-2010 Pontiac Vibe, this plug is a direct-fit option for a wide range of import and domestic vehicles. The Champion 434 spark plug is also cross-referenced with AMS Automotive 4434 for the same application.
Key Features
- Copper core electrode for improved conductivity and heat control
- Nickel center electrode tip and nickel ground electrode core material
- Resistor design for reduced electrical noise
- Flat seat construction
- Pre-gapped at 0.045 in. / 1.14 mm
- 14 mm thread diameter, 0.75 in. reach, 15.88 mm hex size
- Champion Copper Plus line for OE-style replacement service
Product Details
The Champion Copper Plus line focuses on practical, everyday ignition service with a copper core design that supports conductivity and heat transfer. Part number 434 uses a nickel-based electrode setup, a non-removable nut terminal, and a resistor configuration to help maintain steady spark delivery in the secondary ignition system. The RC9MC4 plug type and flat seat design make it a fitment-specific replacement for many vehicles that call for this specification, including Honda Civic, Toyota Camry, and Pontiac Vibe applications.
Common Uses
- Restoring weak or inconsistent spark
- Addressing rough idle caused by worn plugs
- Correcting hard starting from aged ignition components
- Replacing fouled plugs during scheduled tune-up service
- Maintaining proper combustion in high-mileage engines
Installation Notes
- Verify the required plug type, thread diameter, reach, seat type, and heat range before installation.
- Confirm the specified gap for the vehicle application; listed fitments include gaps from 0.040 in. to 0.044 in.
- Use the vehicle service manual for torque and tightening procedure.
- Inspect ignition wires or coil-on-plug components during spark plug replacement.
- Check the old plug for signs of oil, coolant, or fuel fouling to help diagnose engine issues.
Quality Assurance
Champion designs the Copper Plus series for dependable replacement service with materials selected for conductivity, heat control, and wear consistency. Part number 434 is built to match the listed OE-style applications and fitment requirements across supported vehicles.
| Year | Make | Model | Submodel | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2012 | Scion | xB | — | 2.4L | L4 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 2012 | Subaru | Legacy | — | 2.5L | H4 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 2012 | Subaru | Outback | — | 2.5L | H4 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 2012 | Toyota | Corolla | — | 2.4L | L4 | — | N/A | Gap 0.043 (in); Plug Type Number RC9MC4; Copper Plus |
| 2011 | Chevrolet | Aveo | — | 1.6L | L4 | — | N/A | Gap 0.040 (in); Plug Type Number RC9MC4; Copper Plus |
| 2011 | Chevrolet | Aveo5 | — | 1.6L | L4 | — | N/A | OE Type; Gap 0.040 (in); Plug Type Number RC9MC4; Copper Plus |
| 2011 | Scion | xB | — | 2.4L | L4 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 2011 | Subaru | Legacy | — | 2.5L | H4 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 2011 | Subaru | Outback | — | 2.5L | H4 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 2011 | Toyota | Corolla | — | 2.4L | L4 | — | N/A | Gap 0.043 (in); Plug Type Number RC9MC4; Copper Plus |
| 2010 | BMW | 550i | — | 4.8L | V8 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 2010 | BMW | 650i | — | 4.8L | V8 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 2010 | BMW | X5 | — | 4.8L | V8 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 2010 | Chevrolet | Aveo | — | 1.6L | L4 | — | N/A | Gap 0.040 (in); Plug Type Number RC9MC4; Copper Plus |
| 2010 | Chevrolet | Aveo5 | — | 1.6L | L4 | — | N/A | OE Type; Gap 0.040 (in); Plug Type Number RC9MC4; Copper Plus |
| 2010 | Pontiac | G3 | — | 1.6L | L4 | — | N/A | Gap 0.042 (in); Plug Type Number RC9MC4; Copper Plus |
| 2010 | Pontiac | Vibe | — | 2.4L | L4 | — | N/A | Gap 0.043 (in); Plug Type Number RC9MC4; Copper Plus |
| 2010 | Scion | xB | — | 2.4L | L4 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 2010 | Subaru | Outback | — | 2.5L | H4 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 2010 | Toyota | Corolla | — | 2.4L | L4 | — | N/A | Gap 0.043 (in); Plug Type Number RC9MC4; Copper Plus |
| 2010 | Toyota | Highlander | — | 3.3L | V6 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 2009 | BMW | 550i | — | 4.8L | V8 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 2009 | BMW | 650i | — | 4.8L | V8 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 2009 | BMW | X5 | — | 4.8L | V8 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 2009 | Chevrolet | Aveo | — | 1.6L | L4 | — | N/A | Gap 0.040 (in); Plug Type Number RC9MC4; Copper Plus |
| 2009 | Chevrolet | Aveo5 | — | 1.6L | L4 | — | N/A | OE Type; Gap 0.040 (in); Plug Type Number RC9MC4; Copper Plus |
| 2009 | Mitsubishi | Raider | — | 3.7L | V6 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 2009 | Pontiac | G3 | — | 1.6L | L4 | — | N/A | Gap 0.042 (in); Plug Type Number RC9MC4; Copper Plus |
| 2009 | Pontiac | Vibe | — | 2.4L | L4 | — | N/A | Gap 0.043 (in); Plug Type Number RC9MC4; Copper Plus |
| 2009 | Scion | xB | — | 2.4L | L4 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 2009 | Suzuki | Swift+ | — | 1.6L | L4 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 2009 | Toyota | 4Runner | — | 4.7L | V8 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 2009 | Toyota | Corolla | — | 2.4L | L4 | — | N/A | Gap 0.043 (in); Plug Type Number RC9MC4; Copper Plus |
| 2009 | Toyota | Highlander | — | 3.3L | V6 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 2008 | BMW | 550i | — | 4.8L | V8 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 2008 | BMW | 650i | — | 4.8L | V8 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 2008 | BMW | 750i | — | 4.8L | V8 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 2008 | BMW | 750Li | — | 4.8L | V8 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 2008 | BMW | X5 | — | 4.8L | V8 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 2008 | Mitsubishi | Raider | — | 3.7L | V6 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 2008 | Pontiac | Vibe | — | 1.8L | L4 | — | N/A | Gap 0.043 (in); Plug Type Number RC9MC4; Copper Plus |
| 2008 | Scion | xB | — | 2.4L | L4 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 2008 | Toyota | 4Runner | — | 4.7L | V8 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 2008 | Toyota | Highlander | — | 3.3L | V6 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 2007 | BMW | 550i | — | 4.8L | V8 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 2007 | BMW | 650i | — | 4.8L | V8 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 2007 | BMW | 750i | — | 4.8L | V8 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 2007 | BMW | 750Li | — | 4.8L | V8 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 2007 | BMW | X5 | — | 4.8L | V8 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 2007 | Mitsubishi | Raider | — | 3.7L | V6 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 2007 | Pontiac | Vibe | — | 1.8L | L4 | — | N/A | Gap 0.043 (in); Plug Type Number RC9MC4; Copper Plus |
| 2007 | Toyota | 4Runner | — | 4.7L | V8 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 2007 | Toyota | Highlander | — | 3.3L | V6 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 2006 | BMW | 550i | — | 4.8L | V8 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 2006 | BMW | 650i | — | 4.8L | V8 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 2006 | BMW | 750i | — | 4.8L | V8 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 2006 | BMW | 750Li | — | 4.8L | V8 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 2006 | BMW | X5 | — | 4.8L | V8 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 2006 | Mitsubishi | Raider | — | 3.7L | V6 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 2006 | Pontiac | Vibe | — | 1.8L | L4 | — | N/A | Gap 0.043 (in); Plug Type Number RC9MC4; Copper Plus |
| 2006 | Toyota | 4Runner | — | 4.7L | V8 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 2006 | Toyota | Camry | — | 3.3L | V6 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 2006 | Toyota | Highlander | — | 3.3L | V6 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 2005 | Acura | EL | — | 1.7L | L4 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 2005 | BMW | X5 | — | 4.8L | V8 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 2005 | Honda | Civic | — | 1.7L | L4 | GAS | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 2005 | Pontiac | Vibe | — | 1.8L | L4 | — | N/A | Gap 0.043 (in); Plug Type Number RC9MC4; Copper Plus |
| 2005 | Porsche | 911 | — | 3.6L | H6 | — | N/A | OE Type; Gap 0.040 (in); Plug Type Number RC9MC4; Copper Plus |
| 2005 | Toyota | 4Runner | — | 4.7L | V8 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 2005 | Toyota | Camry | — | 3.3L | V6 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 2005 | Toyota | Highlander | — | 3.3L | V6 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 2004 | Acura | EL | — | 1.7L | L4 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 2004 | BMW | X5 | — | 4.8L | V8 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 2004 | Honda | Civic | — | 1.7L | L4 | GAS | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 2004 | Pontiac | Vibe | — | 1.8L | L4 | — | N/A | Gap 0.043 (in); Plug Type Number RC9MC4; Copper Plus |
| 2004 | Porsche | 911 | — | 3.6L | H6 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 2004 | Toyota | 4Runner | — | 4.7L | V8 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 2004 | Toyota | Camry | — | 3.3L | V6 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 2004 | Toyota | Highlander | — | 3.3L | V6 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 2003 | Acura | EL | — | 1.7L | L4 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 2003 | Honda | Civic | — | 1.7L | L4 | GAS | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 2003 | Lexus | ES300 | — | 3.0L | V6 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 2003 | Pontiac | Vibe | — | 1.8L | L4 | — | N/A | Gap 0.043 (in); Plug Type Number RC9MC4; Copper Plus |
| 2003 | Toyota | 4Runner | — | 4.7L | V8 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 2002 | Acura | EL | — | 1.7L | L4 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 2002 | Honda | Civic | — | 1.7L | L4 | GAS | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 2002 | Lexus | ES300 | — | 3.0L | V6 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 2001 | Acura | EL | — | 1.7L | L4 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 2001 | Honda | Civic | — | 1.7L | L4 | GAS | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 2001 | Honda | Prelude | — | 2.2L | L4 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 2001 | Lexus | ES300 | — | 3.0L | V6 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 2001 | Volkswagen | Jetta | — | 2.0L | L4 | — | N/A | OE Type; Gap 0.040 (in); Plug Type Number RC9MC4; Copper Plus |
| 2000 | Honda | Prelude | — | 2.2L | L4 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 2000 | Lexus | ES300 | — | 3.0L | V6 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 1999 | Honda | Prelude | — | 2.2L | L4 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 1999 | Lexus | ES300 | — | 3.0L | V6 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 1999 | Toyota | Celica | — | 2.2L | L4 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 1998 | Honda | Prelude | — | 2.2L | L4 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 1998 | Toyota | Celica | — | 2.2L | L4 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 1998 | Toyota | Supra | — | 3.0L | L6 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 1997 | Honda | Prelude | — | 2.2L | L4 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 1997 | Toyota | Celica | — | 2.2L | L4 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 1997 | Toyota | Supra | — | 3.0L | L6 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 1996 | Honda | Prelude | — | 2.2L | L4 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 1996 | Honda | Prelude | — | 2.3L | L4 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 1996 | Toyota | Celica | — | 2.2L | L4 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 1996 | Toyota | Supra | — | 3.0L | L6 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 1995 | Dodge | Ram 2500 | — | 8.0L | V10 | — | N/A | Gap 0.044 (in); Actual OE Part; Plug Type Number RC9MC4; Copper Plus |
| 1995 | Dodge | Ram 3500 | — | 8.0L | V10 | — | N/A | Gap 0.044 (in); Actual OE Part; Plug Type Number RC9MC4; Copper Plus |
| 1995 | Honda | Prelude | — | 2.2L | L4 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 1995 | Honda | Prelude | — | 2.3L | L4 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 1995 | Lexus | ES300 | — | 3.0L | V6 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 1995 | Toyota | Celica | — | 2.2L | L4 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 1995 | Toyota | MR2 | — | 2.2L | L4 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 1995 | Toyota | Supra | — | 3.0L | L6 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 1994 | Dodge | Ram 2500 | — | 8.0L | V10 | — | N/A | Gap 0.044 (in); Actual OE Part; Plug Type Number RC9MC4; Copper Plus |
| 1994 | Dodge | Ram 3500 | — | 8.0L | V10 | — | N/A | Gap 0.044 (in); Actual OE Part; Plug Type Number RC9MC4; Copper Plus |
| 1994 | Honda | Prelude | — | 2.2L | L4 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 1994 | Honda | Prelude | Si | 2.3L | L4 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 1994 | Lexus | ES300 | — | 3.0L | V6 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 1994 | Toyota | Celica | — | 2.2L | L4 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 1994 | Toyota | MR2 | — | 2.2L | L4 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 1994 | Toyota | Supra | — | 3.0L | L6 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 1993 | Honda | Prelude | — | 2.2L | L4 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 1993 | Honda | Prelude | Si | 2.3L | L4 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 1993 | Lexus | ES300 | — | 3.0L | V6 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 1993 | Toyota | Celica | — | 2.2L | L4 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 1993 | Toyota | MR2 | — | 2.2L | L4 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 1993 | Toyota | Supra | — | 3.0L | L6 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 1992 | Ford | Probe | — | 2.2L | L4 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 1992 | Honda | Prelude | — | 2.3L | L4 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 1992 | Lexus | ES300 | — | 3.0L | V6 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 1992 | Mazda | MX-6 | — | 2.2L | L4 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 1992 | Toyota | Celica | — | 2.2L | L4 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 1992 | Toyota | MR2 | — | 2.2L | L4 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 1991 | Ford | Probe | — | 2.2L | L4 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 1991 | Mazda | 929 | — | 3.0L | V6 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 1991 | Mazda | MX-6 | — | 2.2L | L4 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 1991 | Toyota | Camry | — | 2.5L | V6 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 1991 | Toyota | Celica | — | 2.2L | L4 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 1991 | Toyota | MR2 | — | 2.2L | L4 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 1990 | Ford | Probe | — | 2.2L | L4 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 1990 | Mazda | 929 | — | 3.0L | V6 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 1990 | Mazda | MX-6 | — | 2.2L | L4 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 1990 | Toyota | Camry | — | 2.5L | V6 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 1989 | Ford | Probe | — | 2.2L | L4 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 1989 | Mazda | 929 | — | 3.0L | V6 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 1989 | Mazda | MPV | — | 2.6L | L4 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 1989 | Mazda | MPV | — | 3.0L | V6 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 1989 | Mazda | MX-6 | — | 2.2L | L4 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 1989 | Toyota | Camry | — | 2.5L | V6 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 1988 | Mazda | 929 | — | 3.0L | V6 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 1988 | Mazda | MX-6 | — | 2.2L | L4 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
| 1988 | Toyota | Camry | — | 2.5L | V6 | — | N/A | Gap 0.044 (in); Plug Type Number RC9MC4; Copper Plus |
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