This is a drum brake return spring reported to fit the GM vehicles 1946-1963 listed below:
Spring measures 5" long x 5/8" diameter.
Chevrolet C10 Panel 1961-1963
Chevrolet C10 Pickup 1961-1963
Chevrolet C20 Pickup 1961-1963
Chevrolet Corvair Truck 1961-1962
Chevrolet Impala 1960-1962
Chevrolet K10 Pickup 1961-1963
Chevrolet P10 Series 1961-1963
Chevrolet Suburban 1961-1962
Oldsmobile 88 1954-1956
Oldsmobile 98 1954-1960
Oldsmobile Dynamic 1958-1962
Oldsmobile Fiesta 1958-1962
Oldsmobile Golden Rocket 88 1957
Oldsmobile Series 88 1949
Oldsmobile Series 98 1946-1949
Oldsmobile Super 88 1954-1961
Pontiac Bonneville 1957-1961
Pontiac Catalina 1950-1962
Pontiac Chieftain 1950-1958
Pontiac Parisienne 1960-1962
Pontiac Pathfinder 1955-1958
Pontiac Star Chief 1954-1962
Pontiac Super Chief 1958
Pontiac Tempest 1961