NGK Iridium ‘97506’ Spark Plug (N54/N55/S55)
NGK Iridium SILZKBR8D8S spark plug, also known as the ‘97506’ plug, for tuned N54, N55 and S55 engines. Required with Stage 2 and above packages on S55, and similar modification levels on N54/N55.
Direct swap, six required per vehicle.
12 in stock (can be backordered)