O.S cylinder head with valves replaces damaged intake manifolds. Intake and exhaust valve assemblies are pre-installed. Constructed of aluminum with brass alloy valve seats. This product includes one Cylinder Head with Valves for the O.S. Max FS-91-P and FS 91 Surpass II. One cylinder head gasket.
Installing rocker cover, intake manifold and glow plug. Bolting to crankcase with O.S. screw set.