HD-OEM: 41596-30Part Number: 8160-4 UOM: 1 - KIT Summary:Rear axle nut and lock kit, chrome fits 1930-1972 Big Twin Kit includes sleeve nut, collar, axle nut and lock clip.Location: Rear Finish: Chrome Fitment: EL 1936-1940 FL 1941-1972 FX 1971-1972 UL 1937-1948 VL 1930-1936 Country of Origin: USA