In this schematic the "Washer, Plate(481)" is used most often.
The sub assemblies and components that make up this Rear - Master Cylinder include this Rr. Master Cylinder Assy., the most expensive part.
The most reasonably priced component used on the Xvz12dkc2 Venture Royale 1984 (e) Usa Rear - Master Cylinder is the Bolt (3h5).