The Washer,screw 4x12 is the lowest priced item on this Front Brake Master Cylinder 81-82 schematic.
The Front Brake Master Cylinder 81-82 assembly is constructed from several parts from which the Cylinder Assy Fr is the most expensive.
Parts such as the Front Brake Master Cylinder 81-82: Cap,oil Cup, Oil Bolt, Cylinder Assy Fr, Sw.assy,fr.stop are included in the Cb750c 750 Custom 1982 (c) Usa Front Brake Master Cylinder 81-82 parts fiche.