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,...

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,...

Designed for a sharper, leaner spark with tapered nickel/chrome alloy tip and copper center electrodeMade in the U.S.A.

The ultimate in the evolution of spark plug technology and performance from the industry leaderThe iridium electrode is 25% smaller than a platinum electrode, and it's just 1/4 the size of a conventional nickel electrodeUltra-small diameter center...

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,...

The ultimate in the evolution of spark plug technology and performance from the industry leaderThe iridium electrode is 25% smaller than a platinum electrode, and it's just 1/4 the size of a conventional nickel electrodeUltra-small diameter center...

The ultimate in the evolution of spark plug technology and performance from the industry leaderThe iridium electrode is 25% smaller than a platinum electrode, and it's just 1/4 the size of a conventional nickel electrodeUltra-small diameter center...

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,...

NGK's Laser Iridium Spark Plugs Provide Superior Ignitability and Long Service LifeFine Wire Iridium Tipped Center Electrode and Fine Wire Platinum Tipped Ground Electrode Ensures Slow Wear Rate Providing Stable Idle, Superior Anti Fouling, Improved Fuel...