The thirty-seven Cb750c 750 Custom 1982 (c) Usa Camshaft / Valve component parts are all listed in this schematic.
A sample from the products for the Camshaft / Valve include: Shim,tappet(2.40), Shim,tappet(2.35), Shim,tappet 2.30, Shim,tappet(2.50).
The most reasonably priced component used on the Cb750c 750 Custom 1982 (c) Usa Camshaft / Valve is the Shim,tappet(3.00).