NGK Iridium SILZKBR8D8S spark plug, also known as the ‘97506’ plug, for tuned N54, N55, S55 and S63 N63 engines. Required with Stage 2 and above packages on S55, and similar modification levels on N54/N55.
Direct swap, six required for N54/N55/S55, eight required for N63S63.
NGK Iridium SILZKBR8D8S spark plug, also known as the '97506' plug, for tuned N54, N55, S55 and S63 N63 engines. Required with Stage 2 and above packages on S55, and similar modification levels on N54/N55.Direct swap, six required for N54/N55/S55, eight required for N63S63.
