The Roller,5x8.5 is the lowest priced item on this Camshaft - Lower Rocker Arm schematic.
eighteen components are shown in this Cx500c Custom 1981 (b) Germany / 27ps Camshaft - Lower Rocker Arm exploded diagram.
The Cx500c Custom 1981 (b) Germany / 27ps Camshaft - Lower Rocker Arm consists of eighteen pieces with the Camshaft Comp. being the most expensive.