With a quantity of two pieces, the Bolt,socket,8x30 is the most used part in the FRONT CALIPER diagram.
Parts such as the Front Caliper: Piston Seal Ring, Spring,pad, Caliper-assy,fr,lh, Pad-assy-brake (nas) are included in the En400a2 Vulcan 1986 Canada / Liquid Cooled Front Caliper parts fiche.
The sub assemblies and components that make up this Front Caliper include this Caliper-assy,fr,lh, the most expensive part.