The most expensive part in this assembly is the Tensioner,cam.
Parts such as the Cam Chain / Tensioner: Bolt Tensioner, Bar,cam Chain, Bolt,knock 7x12, Damper,tensioner are included in the Cb350f Four 1972 Usa Cam Chain / Tensioner parts fiche.
The most reasonably priced component used on the Cb350f Four 1972 Usa Cam Chain / Tensioner is the Washer,plain, 6mm.