Denso -TP11 Platinum Spark Plug

Denso Platinum Spark Plug offers long life at an economical price. If you are not running a DIS ignition system, then the majority of the plug wear will be at the center electrode, the platinum tip on the center electrode will offer extended life. Copper core for better thermal conductivity. Machine rolled threads to reduce cross-threading and seizing . The plug insulator is constructed of purified alumina powder for extreme stress with 5 ribs to prevent flashover.