Eaton Detroit Truetrac Differential 33 Spline 1.41in Axle Shaft Dia 4.10 & Up Ratio Rear 8.875in

The Detroit Truetrac was the first helical gear differential ever introduced into the automotive aftermarket as an Eaton brand. It remains the leading helical gear-type limited slip differential in the industry. Detroit Truetrac's proven helical gear design eliminates the need for wearable parts, resulting in maintenance free traction recognized not only for its toughness, but its smooth and quiet operation as well.Proven design, low cost and effective performance all make the Detroit Truetrac limited slip differential the ideal choice for a wide variety of vehicle applications. No maintenance - Just Traction.This Part Fits: Year Make Model Submodel 1971-1972 Buick Centurion Base 1968-1972 Buick Electra 225 1968-1972 Buick Electra 225 Custom 1964-1967 Buick Electra Base 1966-1967 Buick Electra Custom 1964,1970-1972 Buick Estate Wagon Base 1965-1967 Buick Gran Sport Base 1970-1972 Buick GS Base 1968-1969 Buick GS 350 Base 1968-1969 Buick GS 400 Base 1970-1972 Buic