Some items from this specific schematic: Gasket,tensioner (nas), Rod-push,tensioner, Washer,6.1x12x1, Guide-chain,upp.
The component with the lowest price in the CAMSHAFTS/CHAIN/TENSIONER ('80 K schematic is the Washer,6.1x12x1.
On this parts fiche the Bolt,sprocket Fitting is the most specified component.