Equivalent NGK B8ES
Center Electrode Core Material - Copper, Center Electrode Tip Material - Ni, Electrode Gap 0.8 mm, Ground Electrode Material - Ni, Hex Size 20.6mm, Thread Diameter 14mm, Thread Length19mm, Thread Pitch 1.25mm, Tightening Angle 1/2 turn, Tightening Torque (Nm) 20.397