The component with the lowest price in the CAM SHAFT/VALVE schematic is the Screw.
The sub assemblies and components that make up this Cam Shaft/valve include this Camshaft, the most expensive part.
A sample from the products for the Cam Shaft/valve include: Shaft,decomp,l, Gasket(13.8x18.8x4.8) (nas), Spring Set,valve, Arm,exhaust Valve Rocker.