If you did not know it. This is complete head set with Valves Spring Head gasket all part in this set listed below. FE290D-BS22 4 Stroke Engine FE290D–>CYLINDER/CRANKCASE. FE290D-CS20 4 Stroke Engine FE290D–>CYLINDER/CRANKCASE. FE290D-CS22 4 Stroke Engine FE290D–>CYLINDER/CRANKCASE. FE290D-DS20 4 Stroke Engine FE290D–>CYLINDER/CRANKCASE. FE290D-ES20 4 Stroke Engine FE290D–>CYLINDER/CRANKCASE. We at Red Rock Turf are a stocking distributor for Briggs and Stratton, Kohler, Kawasaki, and Toro. We not only sell their OEM parts we also use them on our equipment repairs and rebuilds.