The lowest price component in this Camshaft-chain parts-list fiche is the Screw Pan Head.
Some items from this specific schematic: Sprocket, Cam Chain Driven, Washer, Plate (583), Joint, Chain (583), Spring Compression341122160200.
The Screw Pan Head is the most widely applied product in the TT500 OFFROAD 1976 USA CAMSHAFT-CHAIN ( two times ).