The Washer(6.5x18x1) is the lowest priced item on this Rear Fender Extension schematic.
Parts such as the Rear Fender Extension: Nut, Extension,rear Fender, Lock Washer, Lock Washer are included in the Gs1000g 1980 (t) General Export (e01) Rear Fender Extension parts fiche.
This Extension, Rear Fender is the most expensive of the items that make up this Rear Fender Extension assembly.