fifteen components are shown in this Gs450s 1988 (j) (e04 E22 E34 E77) Chain Case - Shock Absorber exploded diagram.
The lowest price component in this Chain Case - Shock Absorber parts-list fiche is the Bolt.
Some items from this specific schematic: Washer, Washer(6.5x18x1), Washer (12.5x24x3.2), Case,chain.