Of all the components used in this assembly the Caliper Assy (left) is the most expensive.
The most reasonably priced component used on the Xv500 Virago 1983 (d) Usa Front Brake Caliper is the 958-69527-00 Washer, Plain.
A sample from the products for the Front Brake Caliper include: 958-69527-00 Washer, Plain, Bolt (3h5), Disc, Brake, Bolt, Washer Based(3vd).