NGK 97506 for GR Supra

NGK 97506 (SILZKBR8D8S) Laser Iridium spark plugs usable all turbo BMW motors including the N20, N54, N55, S55, N63, n63tu, B38, B48, B58, S63, ands63tu.  These are a 2-step colder (same heat range as oem B48/58) spark plug for the N54 and identical heat range on the N55 to the OEM plugs.