Eaton Detroit Locker Differential 28 Spline 1.20in Axle Shaft Dia 2.73-5.13 Ratio Front/Rear 8.5in

The Detroit Locker is a 100% automatic locking differential that provides ultimate traction for mild to extreme vehicle applications. Its unique, bullet-proof design is engineered to keep both wheels in drive mode – even if one wheel is lifted off the ground. It works in forward and reverse, and features unmatched strength, 100 percent automatic locking, and maintenance-free parts.This Part Fits: Year Make Model Submodel 1973-1975 Buick Apollo Base 1975 Buick Apollo SR 1971-1973 Buick Centurion Base 1973-1977,1980-1981 Buick Century Base 1975-1979,1982-1989 Buick Century Custom 1980-1981,1984 Buick Century Estate 1985-1989 Buick Century Estate Wagon 1976 Buick Century Indianapolis 500 Pace Car 1978-1989 Buick Century Limited 1973-1975 Buick Century Luxus 1984 Buick Century Olympia Limited 1975-1979 Buick Century Special 1978-1981 Buick Century Sport 1983-1986 Buick Century T-Type 1971-1974,1976-1979 Buick Electra 225 1971-1974 Buick Electra 225 Custom