This is for a standard wheel.

Also fits:

61 chev car full size passenger (Biscayne-Brookwood-Fleetmaster)

62-63 chev car Biscayne

60-64 chev car Corvair (500-700-R1200)

65 chev car Corvair (R1200)

63 Oldsmobile (standard wheel)

64 Oldsmobile (J88 & D88 exe t/wh)