With a quantity of eight pieces, the Cotter,valve is the most used part in the CAMSHAFT/VALVE diagram.
The Bolt,flange,6x12 is the lowest priced item on this Camshaft/valve schematic.
Some items from this specific schematic: Lifter,valve, Shim,tappet (1.60, Spg,exh Valve, Shim,tappet (2.05.