The Shim,tappet(3.00) is the cheapest item from this partsfiche.
The Cotter,valve is the most widely applied product in the CB750K 750 FOUR K 1979 (Z) USA CAMSHAFT / VALVE ( thirty-two times ).
Some items from this specific schematic: Shim,tappet 2.30, Camshaft Comp,ex, Shim,tappet(2.90), Shim,tappet(3.40).