Some items from this specific schematic: Arm A.up Rocker, Screw,tappet Adj, Sp, Valve Inner, Arm B,up Rocker.
This Arm B,up Rocker is the most expensive of the items that make up this Valve - Upper Rocker Arm assembly.
The fifteen Cx500 1980 (a) Australia Valve - Upper Rocker Arm component parts are all listed in this schematic.