The Circlip,17mm is the lowest priced item on this Camshaft/valve schematic.
This CAMSHAFT/VALVE assembly utilises thirty-two Cotter,valve(s) - the highest specified component.
Some items from this specific schematic: Retainer,valve Sp, Shim,tappet (1.82, Shim,tappet (1.85, Wash,sealing,8mm.