The component with the lowest price in the CAM CHAIN (MODEL K3/K4) schematic is the Bolt,stranger.
A sample from the products for the Cam Chain (model K3/k4) include: Bolt,cl.cover, Gasket,tensioner Adjuster (nas), Chain Comp,camshaft Drive, Tensioner,cam Chain.
Of all the components used in this assembly the Chain Comp,camshaft Drive is the most expensive.