Item Name: Spark Plug SET x4 pcsPart Brand: BOSCHQuantity Unit: SetElectrode Gap [mm]: 1.1Tightening Torque [Nm]: 23Tightening angle [degrees]: 90Outer Thread [mm]: 12Thread Pitch [mm]: 1.25Thread Length [mm]: 19Spanner Size: 16Spark Position [mm]: 4Number of Poles: 4