Denso Spark Plug - X24Esr-U 4101

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...

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...

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...