The Best Performance Ignition Systems 2025

1. ACDelco MR43LTS Specialty Marine Spark Plug (Pack of 1)

ACDelco Specialty M8 Marine Spark Plug (Pack of 1)

Black Onyx Coating helps prevent corrosion Copper Core. The thermal properties of copper provide great heat transfer and increases plug durability Ribbed Suppressor Seal, which extends resistance and prevents spark ‘flash over’ and misfire Nickel-chrome alloy sheathing to help prevent corrosion on center electrode Suppressor seal meters spark energy for long electrode life and helps prevent combustion leakage Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco . ACDelco GM Original Equipment parts are designed, engineered and tested to rigorous standards, and are backed by General Motors. GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle. GM regularly updates production and service part designs to integrate new materials and technologies

2. Champion 14 Copper Plus Spark Plug Fits select: 1967-1970 CHEVROLET CAMARO, 1966-1969 CHEVROLET CHEVELLE

Champion Spark Plug spark plug's built a reputation in the automotive industry for quality and craftmanship. We manufacture spark plug's for virtually every automobile on the road today. Champion Spark Plug spark plug's are available for on and off road use and are designed for all weather conditions.

Champion 14 Copper Plus Spark Plug Champion 14 Copper Plus Spark Plug Champion 14 Copper Plus Spark Plug Champion 14 Copper Plus Spark Plug Fits Select: 1967-1970 CHEVROLET CAMARO 8 Cyl L 1966-1969 CHEVROLET CHEVELLE 8 Cyl L 1969-1970 CHEVROLET C10 8 Cyl L 1969-1970 CHEVROLET CORVETTE 8 Cyl L 1968-1969 PLYMOUTH SATTELITE 8 Cyl 6.3 L 1966-1967,1969-1970 CHEVROLET IMPALA 8 Cyl L 1969-1970 CHEVROLET C20 8 Cyl L 1968-1969 CHEVROLET EL CAMINO 8 Cyl L 1968-1969 CHEVROLET NOVA 8 Cyl L 1970 CHEVROLET MONTE CARLO 8 Cyl L 1966,1970-1971 PLYMOUTH SATELLITE 8 Cyl 6.3 L 1969-1970 GMC C1500 8 Cyl L 1971-1972 TOYOTA LAND CRUISER 6 Cyl 3.9 L 1966-1971 DODGE CHARGER 8 Cyl 6.3 L 1966,1968-1971 DODGE CORONET 8 Cyl 6.3 L 1970-1971 DODGE CHALLENGER 8 Cyl 6.3 L 1966,1968-1971 CHRYSLER NEWPORT 8 Cyl 6.3 L 1969-1970 CHEVROLET K10 8 Cyl L 1972-1973,1975-1977 DODGE CHARGER 8 Cyl 6.6 L 1967-1969 PLYMOUTH SATELLITE 8 Cyl 7.2 L 1969-1970 CHEVROLET C30 8 Cyl L 1967-1969,1971 JEEP UNIVERSAL 6 Cyl 3.7 L 1967,1969-1970 CHEVROLET K20 8 Cyl L 1966,1968 OLDSMOBILE TORONADO 8 Cyl L 1969-1970 CHEVROLET CAPRICE 8 Cyl L and more - add your vehicle to our fit widget to check

3. Champion (401) RS12YC Spark Plug - Racing Series - Pack of 1 Fits select: 1999-2019 CHEVROLET SILVERADO, 2000-2014 CHEVROLET TAHOE

Champion Spark Plugs provide dependable performance. This Champion Spark Plug features a copper core electrode that provides increased conductivity and heat control for good overall wear. This is an OEM type replacement plug that resists fouling. The copper core center electrode allows for accurate control of heat range for longer life. Features superior corrosion resistance and is built to ISO and SAE standards for proven performance.

OE type replacement plug Resists fouling Copper core center electrode allows for accurate control of heat range for longer life Superior corrosion resistance Built to ISO and SAE standards for proven performance

4. New Spark Plugs champion Spark Plugs Rv12c/13376 Model # 113 Fits select: 1971-1980 CHEVROLET C10, 1972-1976 CHEVROLET MALIBU

This Champion Copper Plus 113 Spark Plug (RV12C) replaces Bosch 7972, Bosch 7983, Bosch HR10A, Bosch HR10AC, Bosch HR9AC, Mopar 4339420, Motorcraft ARF6, Motorcraft ARF8, Motorcraft ASF8, NGK 7052, NGK BR5FS, NGK YR5, ACDelco 44T, ACDelco MR44T, ACDelco R44T, ACDelco R45T, ACDelco R46T, DENSO T16RU, OEM parts and is perfect for replacement or a performance upgrade.

Champion Copper Plus 113 RV12C Spark Plug IMPROVE PERFORMANCE: The tried-and-true Champion Copper Plus Spark Plug boosts performance, reduces emissions, and enables better fuel economy so that your engine runs at its best. The durable Ultraseal-coated shell reliably protects the spark plug from damage, ensuring long-lasting sparking capabilities up to 20,000 miles CHOOSE CONSISTENT COMBUSTION: The Champion Copper Plus Spark Plug employs a copper-core center electrode and patented SAC-9 semiconductor resistor to produce complete and efficient combustion over the life of the spark plug RELY ON QUALITY SPARK PLUGS: Champion ignition parts keep engines running at their best. Their spark plug catalog provides a diverse set of spark plug types to meet modern engine demands for long-lasting, powerful performance. Built with durable precious metals, Champion Spark Plugs improve performance without the same wear and tear found in competitor plugs TRUST IN CHAMPION: Champion has powered more racing legends and won more races than any other spark plug brand. All that success at the track translates to more innovation and a more reliable spark plug for you. With years of expertise in engineering and manufacturing OE components for major automotive manufacturers, Champion understands the importance of a seamless OE-quality replacement part. Their spark plugs adhere to the toughest industry standards for a better fit and longer plug life

5. Champion Spark Plug Copper Plus- Boxed - RV15YC4

Dependable performance. This Champion spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear.

Copper Plus - Dependable Performance. Copper core center electrode allows for accurate control of heat range for longer life Patented TinTac and ULTRASEAL coated shell for maximum corrosion resistance Patented SAC-9 semiconductor resistor for maximum EMI & RFI suppression Built to ISO and SAE standards for proven performance Copper Plus - Dependable Performance. Copper core center electrode allows for accurate control of heat range for longer life Patented TinTac and ULTRASEAL coated shell for maximum corrosion resistance Patented SAC-9 semiconductor resistor for maximum EMI & RFI suppression Built to ISO and SAE standards for proven performance Copper Plus - Dependable Performance. Copper core center electrode allows for accurate control of heat range for longer life Patented TinTac and ULTRASEAL coated shell for maximum corrosion resistance Patented SAC-9 semiconductor resistor for maximum EMI & RFI suppression Built to ISO and SAE standards for proven performance Copper Plus - Dependable Performance. Copper core center electrode allows for accurate control of heat range for longer life Patented TinTac and ULTRASEAL coated shell for maximum corrosion resistance Patented SAC-9 semiconductor resistor for maximum EMI & RFI suppression Built to ISO and SAE standards for proven performance

6. Autolite Platinum Spark Plug, AP25

Keep your vehicle up and running with the Autolite Platinum Spark Plug. It has a center wire platinum firing tip that reduces gap erosion, offers fewer misfires and ensures optimal performance. This plug also has a longer life than standard copper core designs. It provides for increased fuel efficiency over the life of the plug. The nickel plated threads and shell of the car spark plug provides corrosion resistance. It is designed for import and domestic vehicles. Use it to make sure your vehicle is ready for the open road. It works to help your engine stay running at an optimal level.

Autolite Platinum Spark Plug, AP25: The Autolite Platinum spark plugs provide a center wire platinum firing tip Reduced gap erosion, fewer misfires, better performance and more durability The car spark plug has a longer life than standard copper core spark plugs Increased fuel efficiency over the life of the plug Nickel plated threads and shell provide corrosion resistance The high-performance spark plug is designed for import and domestic vehicles

7. ACDelco Marine Spark Plug , Pack of 1 MR44T

Professional Marine Plug ACDelco's Professional Spark Plugs meet a wide range of vehicle applications and budgets, making them the perfect choice when it is time to replace your plugs. Choose from our Iridium, Platinum, Conventional, Rapidfire and Marine lines depending on your performance needs. And, diesel drivers also can get the ACDelco advantage with our high-quality Glow Plugs. We've got a plug for almost any vehicle on the road today. When you need a spark plug you can rely on in harsh marine environments, you need the ACDelco Professional Marine Plug.

Package Content: 1x MR44T ACDelco Spark Plug MR44T

8. Champion Spark Plug Copper Plus- Boxed - RF10C Fits select: 1966-1974 FORD F100, 1966-1974 FORD F250

Dependable performance. This Champion spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear.

Copper Plus - Dependable Performance. Copper core center electrode allows for accurate control of heat range for longer life Patented TinTac and ULTRASEAL coated shell for maximum corrosion resistance Patented SAC-9 semiconductor resistor for maximum EMI & RFI suppression Built to ISO and SAE standards for proven performance Copper Plus - Dependable Performance. Copper core center electrode allows for accurate control of heat range for longer life Patented TinTac and ULTRASEAL coated shell for maximum corrosion resistance Patented SAC-9 semiconductor resistor for maximum EMI & RFI suppression Built to ISO and SAE standards for proven performance Copper Plus - Dependable Performance. Copper core center electrode allows for accurate control of heat range for longer life Patented TinTac and ULTRASEAL coated shell for maximum corrosion resistance Patented SAC-9 semiconductor resistor for maximum EMI & RFI suppression Built to ISO and SAE standards for proven performance Copper Plus - Dependable Performance. Copper core center electrode allows for accurate control of heat range for longer life Patented TinTac and ULTRASEAL coated shell for maximum corrosion resistance Patented SAC-9 semiconductor resistor for maximum EMI & RFI suppression Built to ISO and SAE standards for proven performance Fits Select: 1966-1967 FORD F100 8 Cyl 5.8 L 1968-1974 FORD F100 6 Cyl 3.9 L 1966-1967 FORD F250 8 Cyl 5.8 L 1987-1993 DODGE W-SERIES 8 Cyl 5.9 L 1966-1967 FORD F350 8 Cyl 5.8 L 1966 FORD RANCHERO 8 Cyl 4.7 L 1987-1993 DODGE D-SERIES 8 Cyl 5.9 L 1967,1969-1974 FORD ECONOLINE 6 Cyl 3.9 L 1994 DODGE RAM 3500 8 Cyl 5.9 L 1968-1974 FORD F250 6 Cyl 4.9 L 1969-1971,1973 FORD CLUB WAGON 6 Cyl 3.9 L 1968-1974 FORD F350 6 Cyl 4.9 L 1967-1969,1971 FORD PARCEL CHASSIS 6 Cyl 3.9 L 1966,1974 FORD PARCEL CHASSIS 6 Cyl 4.9 L 1974 FORD CLUB WAGON 6 Cyl 4.9 L and more - add your vehicle to our fit widget to check

9. Champion Spark Plug Copper Plus- Boxed - RJ14YC Fits select: 1971-1974 OLDSMOBILE CUTLASS SUPREME, 1968-1969 PLYMOUTH SATTELITE

Dependable performance. This Champion spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear.

Copper Plus - Dependable Performance. Copper core center electrode allows for accurate control of heat range for longer life Patented TinTac and ULTRASEAL coated shell for maximum corrosion resistance Patented SAC-9 semiconductor resistor for maximum EMI & RFI suppression Built to ISO and SAE standards for proven performance Copper Plus - Dependable Performance. Copper core center electrode allows for accurate control of heat range for longer life Patented TinTac and ULTRASEAL coated shell for maximum corrosion resistance Patented SAC-9 semiconductor resistor for maximum EMI & RFI suppression Built to ISO and SAE standards for proven performance Copper Plus - Dependable Performance. Copper core center electrode allows for accurate control of heat range for longer life Patented TinTac and ULTRASEAL coated shell for maximum corrosion resistance Patented SAC-9 semiconductor resistor for maximum EMI & RFI suppression Built to ISO and SAE standards for proven performance Copper Plus - Dependable Performance. Copper core center electrode allows for accurate control of heat range for longer life Patented TinTac and ULTRASEAL coated shell for maximum corrosion resistance Patented SAC-9 semiconductor resistor for maximum EMI & RFI suppression Built to ISO and SAE standards for proven performance Fits Select: 1972-1974 OLDSMOBILE CUTLASS SUPREME 8 Cyl 5.7 L 1968-1969 PLYMOUTH SATTELITE 8 Cyl 6.3 L 1971 OLDSMOBILE CUTLASS SUPREME 8 Cyl L 1972-1974 OLDSMOBILE CUTLASS 8 Cyl 5.7 L 1969-1971 OLDSMOBILE CUTLASS 8 Cyl L 1970 PONTIAC GTO 8 Cyl L 1966-1971 DODGE CHARGER 8 Cyl 6.3 L 1968-1971 DODGE CORONET 8 Cyl 6.3 L 1970-1971 DODGE CHALLENGER 8 Cyl 6.3 L 1966-1971 CHRYSLER NEWPORT 8 Cyl 6.3 L 1966 DODGE CORONET 8 Cyl 5.2 L 1972-1973,1975-1976 DODGE CHARGER 8 Cyl 6.6 L 1972-1974 OLDSMOBILE DELTA 88 8 Cyl 5.7 L 1969 PLYMOUTH SATELLITE 8 Cyl 7.2 L 1970-1971 PLYMOUTH BARRACUDA 8 Cyl 6.3 L 1969-1971 OLDSMOBILE DELTA 88 8 Cyl L 1974-1975 DODGE MONACO 8 Cyl 7.2 L 1966 PLYMOUTH BELVEDERE 8 Cyl 5.2 L 1966-1971 PLYMOUTH FURY 8 Cyl 6.3 L 1972-1976 CHRYSLER NEWPORT 8 Cyl 6.6 L 1966-1971 DODGE POLARA 8 Cyl 6.3 L 1975-1976 PLYMOUTH GRAN FURY 8 Cyl 6.6 L 1972-1976 PLYMOUTH FURY 8 Cyl 6.6 L 1973-1974 OLDSMOBILE OMEGA 8 Cyl 5.7 L 1972-1973 DODGE POLARA 8 Cyl 6.6 L and more - add your vehicle to our fit widget to check

10. Champion Spark Plug Copper Plus Spark Plug: Dependable Performance, OE Replacement, RS9YC Fits select: 1998-2003 FORD F150, 2006-2011 FORD FOCUS

Dependable performance. This Champion spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear.

Copper Plus -Dependable Performance and Durability Copper Core center electrode allows for accurate control of heat range for longer life Super corrosion resistance Built to ISO and SAE standards for proven performance Sold Indivually Fits Select: 1998-2003 FORD F150 8 Cyl 5.4 L 2006-2011 FORD FOCUS 4 Cyl 2 L 1997-2005 FORD EXPLORER 6 Cyl 4 L 1999-2000 FORD RANGER 6 Cyl 3 L 1997-2016 FORD ECONOLINE 8 Cyl 5.4 L 1996-2005 FORD TAURUS 6 Cyl 3 L 2001-2005 FORD EXPLORER SPORT TRAC 6 Cyl 4 L 1996-2011 FORD CROWN VICTORIA 8 Cyl 4.6 L 1999-2004 FORD F250 10 Cyl 6.8 L 2006-2011 MERCURY GRAND MARQUIS 8 Cyl 4.6 L 1996-1998 FORD RANGER 6 Cyl 4 L 2006-2011 LINCOLN TOWN CAR 8 Cyl 4.6 L 2000-2005 FORD EXCURSION 10 Cyl 6.8 L 2012-2015 CHEVROLET CAMARO 8 Cyl 6.2 L 2004-2005 MAZDA 3 4 Cyl 2.3 L 1999-2003 FORD F350 10 Cyl 6.8 L 2004 FORD F350 8 Cyl 5.4 L 2017-2019 FORD ECONOLINE 10 Cyl 6.8 L 2009-2013 CHEVROLET CORVETTE 8 Cyl 6.2 L 1998-2003 GMC SONOMA 4 Cyl 2.2 L 1997-1998 FORD F250 8 Cyl 5.4 L 2003 FORD FOCUS 4 Cyl 2.3 L 2004-2008 JAGUAR X-TYPE 6 Cyl 3 L 2000,2007-2012 FORD MUSTANG 8 Cyl 5.4 L 2002-2003 JAGUAR X-TYPE 6 Cyl 2.5 L and more - add your vehicle to our fit widget to check