Spark Plugs

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™...

More focused ignition to prevent fouling than leading standard plug.6mm finewire design with Sport V-trim ground electrode engineered to offer improved ignitability and durability over a standard plugUp to 26% quicker starts than leading standard...

Unique electrode shape maximizes the power created by the spark plug - Diamond Fire technologyElectrode is a combination of performance and technology that results in an improved flame kernel shapeThis flame front ignites the bulk air/fuel mixture...

Unique electrode shape maximizes the power created by the spark plug - Diamond Fire technologyElectrode is a combination of performance and technology that results in an improved flame kernel shapeThis flame front ignites the bulk air/fuel mixture...

Unique electrode shape maximizes the power created by the spark plug - Diamond Fire technologyElectrode is a combination of performance and technology that results in an improved flame kernel shapeThis flame front ignites the bulk air/fuel mixture...

Unique electrode shape maximizes the power created by the spark plug - Diamond Fire technologyElectrode is a combination of performance and technology that results in an improved flame kernel shapeThis flame front ignites the bulk air/fuel mixture...

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?...

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?...

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,...

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...