Kit contains a ring and pinion set, positraction unit, and installation parts

1964-1970 Buick Wildcat (Rear); 1964-1972 Chevrolet Biscayne (Rear); 1964-1968 Chevrolet Chevy II (Rear); 1964-1972 Chevrolet Chevelle (Rear); 1964-1972 Chevrolet Bel Air (Rear); 1967-1972 Chevrolet Camaro (Rear); 1966-1970 Chevrolet Caprice (Rear); 1965-1972 Chevrolet El Camino (Rear); 1964-1972 Chevrolet Impala (Rear); 1970-1972 Chevrolet Monte Carlo (Rear); 1969-1972 Chevrolet Nova (Rear); 1970-1972 Pontiac GTO (Rear); 1969-1972 Pontiac Firebird (Rear)