Five-rib design prevents flashover while decreasing voltage loss
Copper glass seal bonds the center electrode and insulator together for a gas-tight seal
Platinum center electrode utilizes platinum to shrink the surface area of the center electrode tip for maximum firing performance and minimum voltage requirements
Heavy duty insulator offers unparalleled dielectric power and thermal conductivity under severe circumstances
Denso Single Platinum OE Replacement Spark Plugs are manufactured from the restructured facilities of Denso, designed by the vehicle enthusiasts with highly developed automotive technology that guarantees excellent operation and road experience.