Motorcycle engine parts camshaft and rocker arm assembly for XV250 XV 250 Virago/V- 1988 1989 1990 1991 1992-2010.This assembly is designed to fit the specified model years and serves as a replacement component for the engine's valve train system.The camshaft controls the and closing of the engine valves while the rocker arms transfer from the camshaft to the valves, proper engine.This part is intended for use in motorcycle maintenance and repair applications where specifications must be maintained.