HARLEY 45 inch Top End Kit Fits 1933-1973 G, 1936-1952 W,

45 inch top end kit includes a 45 inch valve cover kit 45 inch lifter kit valve spring kit front and rear 45 inch cylinder four Sifton interchangeable intake and exhaust valves high compression head gasket kit headbolt kit and washer *NOTE: Includes VT #11-0637 Piston Kit Standard with Hastings ring set. Barrels are pre-fit to accept these pistons. Check ring gap before final assembly. FITS HARLEY: 1933-1973 G, 1936-1952 W,