This schematic depicts all components used in the Xr250 1979 (z) Usa Camshaft / Valve partslist.
The Camshaft / Valve is made up of components including this Camshaft which is the most expensive.
A sample from the products for the Camshaft / Valve include: Camshaft, Seal,valve Stem, Valve,ex., Shaft,rocker Arm.