12T GM 3.73 & Up Dura Grip Limited Slip 33spl Positraction w/ Composite Clutches

1963-1974 Chevrolet C10 Pickup (Rear); 1967-1974 Chevrolet G10 Van (Rear); 1963-1974 Chevrolet K10 Pickup (Rear); 1963-1966 Chevrolet Suburban (Rear); 1969-1987 Chevrolet Blazer (Rear) (Drive: 4WD); 1975-1986 Chevrolet K5 Blazer (Rear) (Drive: 4WD); 1975-1986 Chevrolet C10 (Rear) (Drive: RWD); 1975-1981 Chevrolet G10 (Rear) (Drive: RWD); 1975-1986 Chevrolet K10 (Rear) (Drive: 4WD); 1967-1985 Chevrolet K10 Suburban (Rear) (Drive: 4WD); 1987 Chevrolet R10 (Rear) (Drive: RWD); 1987 Chevrolet V10 (Rear) (Drive: 4WD); 1987 Chevrolet V10 Suburban (Rear) (Drive: 4WD); 1967-1974 GMC C15/C1500 Pickup (Rear); 1967-1974 GMC C15/C1500 Suburban (Rear); 1967-1974 GMC G15/G1500 Van (Rear); 1967-1974 GMC G25/G2500 Van (Rear); 1966-1974 GMC K15/K1500 Pickup (Rear); 1967-1974 GMC K15/K1500 Suburban (Rear); 1963-1966 GMC Suburban (Rear); 1979-1986 GMC C1500 (Rear) (Drive: RWD); 1979-1986 GMC C1500 Suburban (Rear) (Drive: RWD); 1979-1986 GMC K1500 (Rear) (Drive: 4WD); 1979-1985 GMC K1500 Suburban (Rear) (Drive: 4WD); 1987 GMC R1500 Suburban (Rear) (Drive: RWD); 1987 GMC V1500 Suburban (Rear) (Drive: 4WD); 1975-1978 GMC C15 (Rear) (Drive: RWD); 1975-1978 GMC C15 Suburban (Rear) (Drive: RWD); 1975-1978 GMC G15 (Rear) (Drive: RWD); 1964-1987 GMC G1500 (Rear) (Drive: RWD); 1975-1978 GMC G25 (Rear) (Drive: RWD); 1979-1981 GMC G2500 (Rear) (Drive: RWD); 1975-1978 GMC K15 (Rear) (Drive: 4WD); 1975-1978 GMC K15 Suburban (Rear) (Drive: 4WD); 1987 GMC R1500 (Rear) (Drive: RWD); 1987 GMC V1500 (Rear) (Drive: 4WD)