Includes top cover gasket, jet needle (with E-ring and washer), throttle valve seal, pilot air O-ring, fuel joint O-ring, accelerator pump O-ring, needle valve O-ring, needle valve retainer screw, needle valve assembly, float bowl O-ring/gasket, overflow hose, float bowl screws and accelerator pump rod bootGenuine Mikuni parts properly replace worn or mistreated components for HSR carburetorsIncludes all the parts needed to rebuild HSR carburetors