USA Standard Spartan Locker For GM 12 Bolt Car & Truck w/ 30 Spline Axles

The Spartan Locker is a lunchbox locker that delivers reliable, 100% lockup traction at a low cost. It's design does not use the thrust washers and has a revolutionary spring and pin design that makes installation a snap!This Part Fits: Year Make Model Submodel 1964-1969 Buick Wildcat Base 1965-1970 Buick Wildcat Custom 1965 Buick Wildcat Deluxe 1966 Buick Wildcat Gran Sport 1964-1972 Chevrolet Bel Air Base 1964-1972 Chevrolet Biscayne Base 1969-1974 Chevrolet Blazer Base 1987 Chevrolet Blazer Custom Deluxe 1987 Chevrolet Blazer Silverado 1978-1980 Chevrolet C10 Big Ten 1975-1981 Chevrolet C10 Cheyenne 1981-1986 Chevrolet C10 Custom 1975-1980 Chevrolet C10 Custom Deluxe 1981 Chevrolet C10 Deluxe 1975-1986 Chevrolet C10 Scottsdale 1975-1986 Chevrolet C10 Silverado 1963-1974 Chevrolet C10 Pickup Base 1967-1972 Chevrolet Camaro Base 1967-1972 Chevrolet Camaro RS 1967-1972 Chevrolet Camaro SS 1967-1972 Chevrolet Camaro Z28 1966-1970 Chevrolet Ca