With a quantity of six pieces, the Plug, Vent is the most used part in the IGNITION COIL-BATTERY -REGULATOR diagram.
Some items from this specific schematic: Plate Bat Seting, Cover, Ignition Coil, Mark Bat Caution, Spg/washer,6mm.
The Ignition Coil-battery -regulator assembly is constructed from several parts from which the Regulator Assy. is the most expensive.