Thread: M 18 x 1,5

Tightening torque (ft.lbs): 15 FT. LBS

Type of connection: Detachable DIN/SAE nut

Tightening torque: 20 Nm

Number of ground electrodes: 1

Sealing seat: conical

Electrode gap: 0.9 mm

Spark position: 3 mm

Thread length: 10.9 mm

Width across flats: 20.8 mm

Interference suppression / burn-off restistor: 6 kOhm