This NGK spark plug features an Iridium middle electrode and an earthed electrode. It has a thread size of M12 x 1.25, spanner size of 16 mm, thread length of 26.5 mm, and a spark position of 3.0 mm. The plug includes interference suppression of 10 kOhm, a gasket seat, and a fixed SAE connector. It is compatible with Hyundai and Kia vehicles. Cross-references include BOSCH 0 242 135 554, CHAMPION CCH9408, and DENSO 3519.