Equivalent to Champion CH32 and AG32 this high output duel core heater glow plug is 12 volts as fitted to BMC 1.5 and early BMC 1.8 and 2.52 diesel engines. With M10 x 1mm thread and element thickness of 3.5mm. 11/64 Drill is recommended to clear the orifice of the Glow plug Before fitting.