Parts such as the Rear Brake Panel: Bolt, Hex., 5x20, Spring,brake Shoe, Seal,brake Cam, Panel, Rr. Brake are included in the Z50rd 1986 (g) Usa Rear Brake Panel parts fiche.
The Washer,plain, 6mm is the cheapest item from this partsfiche.
Of all the components used in this assembly the Panel, Rr. Brake is the most expensive.