Spark plug NGK 7031

Spanner Size: 20,8 mm; Thread Size: M14 x 1,25; Thread Length [mm]: 19,0; Spark Plug: Nickel Middle Electrode, 1 - Earthed Electrode, Interference Suppression 5 kOhm, with gasket seat, Fixed SAE connector; Spark Position [mm]: 3,0; TecDoc Engine Number: 23917; Electrode Gap [mm]: 1,1