Briggs & Stratton World Formula Kart Cylinder Head Assembly 557133

Genuine Briggs & Stratton World Formula cylinder head assembly, part # 557133 .  Used, all components are in good appearing condition.

Ships as shown including:  Installed head plate, valves, valve guides, valve springs with retainer assemblies, valve springs, rocker studs, pushrod guides, intake studs and exhaust studs.