Champion Copper Plus spark plugs have been original equipment on a wide variety of engines for many years. These plugs have nickel alloy centers and ground electrodes, with reasonably good wear characteristics. In addition, the extrusion of copper into the center electrode allows for increased conductivity and heat control.
Features & Benefits:
Dependable and durable
Built to ISO and SAE standards for proven performance
Patented SAC-9 semi-conductor resistor for maximum EMI & RFI suppression
Copper core center electrode allows for accurate control of heat range for longer life
TinTac® and ULTRASEAL shell for best corrosion protection of any spark plug in the industry
This spark plug is pre-gapped, but may require minor adjustments with a Spark Plug Gap Tool / Feeler Gauge to match your engine's specifications. For proper engine performance, gaps should be within ±0.004" of OE-Recommended value.
Which CHAMPION Spark Plug Is Right For You?
Material / Series
Lifespan / Durability
Performance / Ignitability
Efficiency / Fuel Economy
Copper / Nickel Plus
★
★
Platinum Power
★★
★★★★
★
Double Platinum
★★★★
★★★★
★
Iridium
★★★
★★★★★
★★
OEM / Interchange Numbers: 304, 306, 308, AM37246
CHAMPION Warranty Information:Iridium plugs 7 years - Double Platinum Power 5 years - Platinum Power 3 years - Copper Plus 2 years