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

1973-1975 Buick Apollo (Rear); 1971-1990 Buick Electra (Rear) (Drive: RWD); 1973-1987 Buick Regal (Rear) (Drive: RWD); 1975-1978 Buick Riviera (Rear) (Drive: RWD); 1970-1979 Buick Skylark (Rear); 1973 Chevrolet Chevelle (Rear); 1970-1975 Chevrolet Bel Air (Rear); 1970-1981 Chevrolet Camaro (Rear) (Drive: RWD); 1970-1996 Chevrolet Caprice (Rear) (Drive: RWD); 1971-1976 Chevrolet El Camino (Rear); 1971-1996 Chevrolet Impala (Rear) (Drive: RWD); 1973-1983 Chevrolet Malibu (Rear); 1973-1978 Chevrolet Monte Carlo (Rear); 1970-1979 Chevrolet Nova (Rear); 1970-1977 Oldsmobile Cutlass (Rear); 1985-1987 Oldsmobile Cutlass Supreme (Rear) (Drive: RWD); 1973-1979 Oldsmobile Omega (Rear); 1970-1973 Pontiac GTO (Rear); 1970-1986 Pontiac Bonneville (Rear) (Drive: RWD); 1970-1981 Pontiac Catalina (Rear); 1970-1981 Pontiac Firebird (Rear); 1971-1987 Pontiac Grand Prix (Rear) (Drive: RWD); 1971-1981 Pontiac LeMans (Rear); 1976-1977 Pontiac Ventura (Rear)