Spanner Size: 14 mm Thread Size: M12 x 1.25 Thread Length: 26.5 mm Spark Plug: Iridium Middle Electrode, 1 - Earthed Electrode, Interference Suppression 5 kOhm, with gasket seat Spark Position: 4.7 mm Version: Bi-Hex

Spanner Size: 14 mm Thread Size: M12 x 1.25 Thread Length: 23.7 mm Spark Plug: with gasket seat, Iridium Middle Electrode, 1 - Earthed Electrode, Interference Suppression 5 kOhm, Fixed SAE connector Spark Position: 8.7 mm Version: Bi-Hex Spanner Size: 14 mm Original NGK Laser Iridium with Platinum Electrode spark plug set of 8pcs used in Mercedes-Benz M157,...