The Bolt is the lowest priced item on this Chain Case - Rear Shock Absorber schematic.
The Gs1100s 1983 (d) Usa (e03) Chain Case - Rear Shock Absorber consists of fourteen pieces with the Chain Case being the most expensive.
Parts such as the Chain Case - Rear Shock Absorber: Washer (10.5x24x2.3), Washer, Washer(12.5x24x3.2), Nut are included in the Gs1100s 1983 (d) Usa (e03) Chain Case - Rear Shock Absorber parts fiche.