The sub assemblies and components that make up this Chain Case - Shock Absorber include this Case,chain, the most expensive part.
A sample from the products for the Chain Case - Shock Absorber include: Lock Washer, Washer (6.5x20x1.2), Nut, Lower Lh, Cushion.
fifteen components are shown in this Gn250 1982 (z) Usa (e03) Chain Case - Shock Absorber exploded diagram.