The sub assemblies and components that make up this Camshaft(s)/tensioner include this Camshaft-assy-valve, the most expensive part.
The Washer,6.1x12x1 is the cheapest item from this partsfiche.
Some items from this specific schematic: Bearing-ball,#6005c4, Chain,camshaft,bf05tx, Retainer,tensioner, Bolt,10x23.