Spark Plugs

Superior construction for serious powerVersatile plugs with wide operating heat ranges prevent fouling from running too cool and preignition from running too hotFeatures high alumina ceramics for improved heat dissipation and electrical insulation,...

Superior construction for serious powerVersatile plugs with wide operating heat ranges prevent fouling from running too cool and preignition from running too hotFeatures high alumina ceramics for improved heat dissipation and electrical insulation,...

100 percent pre-fired to ensure reliable operationCopper core center electrode for superior thermal conductivityUnique five-rib insulator reduces flashover and decreases voltage lossDual copper and glass seal bonds the center electrode and insulator...

100 percent pre-fired to ensure reliable operationCopper core center electrode for superior thermal conductivityUnique five-rib insulator reduces flashover and decreases voltage lossDual copper and glass seal bonds the center electrode and insulator...

100 percent pre-fired to ensure reliable operationCopper core center electrode for superior thermal conductivityUnique five-rib insulator reduces flashover and decreases voltage lossDual copper and glass seal bonds the center electrode and insulator...

Superior construction for serious powerVersatile plugs with wide operating heat ranges prevent fouling from running too cool and preignition from running too hotFeatures high alumina ceramics for improved heat dissipation and electrical insulation,...

Superior construction for serious powerVersatile plugs with wide operating heat ranges prevent fouling from running too cool and preignition from running too hotFeatures high alumina ceramics for improved heat dissipation and electrical insulation,...

Superior construction for serious powerVersatile plugs with wide operating heat ranges prevent fouling from running too cool and preignition from running too hotFeatures high alumina ceramics for improved heat dissipation and electrical insulation,...

100 percent pre-fired to ensure reliable operationCopper core center electrode for superior thermal conductivityUnique five-rib insulator reduces flashover and decreases voltage lossDual copper and glass seal bonds the center electrode and insulator...

100 percent pre-fired to ensure reliable operationCopper core center electrode for superior thermal conductivityUnique five-rib insulator reduces flashover and decreases voltage lossDual copper and glass seal bonds the center electrode and insulator...

Copper Plus spark plug has a copper core center electrode that allows for accurate control of heat range, optimizing performance and longevity of the spark plugPatented SAC-9 semi-conductor resistor for maximum EMI and RFI suppressionPatented Ultraseal?...

Copper Plus spark plug has a copper core center electrode that allows for accurate control of heat range, optimizing performance and longevity of the spark plugPatented SAC-9 semi-conductor resistor for maximum EMI and RFI suppressionPatented Ultraseal™...