The most expensive part in this assembly is the Caliper Assy (left).
Parts such as the Front Brake Caliper: Bleed Screw Kit, Pin, Cotter (648), Brake Pad Kit, Front (nas), Caliper Assy (left) are included in the Xj750r Seca 1982 (c) Usa Front Brake Caliper parts fiche.
The Yamaha FRONT BRAKE CALIPER has twenty-one products enlisted in the schematic.