The Washer(6.5x18x1) is the cheapest item from this partsfiche.
The most expensive part in this assembly is the Body,rr Fender Rr.
Parts such as the Rear Fender: Fender,rear, Spacer (6.1x9x9), Nut, Spacer(6.2x8.3x5.7) are included in the Gs1000e 1980 (t) Usa (e03) Rear Fender parts fiche.