Eaton Detroit Truetrac Differential 30 Spline 1.29in Axle Shaft Dia 3.08-3.90 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. Detroit Truetrac? Differential; 30 Spline; 1.29 in. Axle Shaft Diameter; 3.08 - 3.90 Ring Gear Pinion Ratio; Rear 8.875 in.; Fitment: BuickCenturionBase1971 BuickCenturionBase1972 BuickElectra2251968 BuickElectra2251969 BuickElectra2251970 BuickElectra2251971 BuickElectra2251972 BuickElectra225 Custom1968 BuickElectra225 Custom1969 BuickElectra225 Custom1970 BuickElectra225 Custom1971 BuickElectra225 Custom1972 BuickElectraBase1964 BuickElectraBase1965 BuickElectraBase1966 BuickElectraBase1967 BuickElectraCustom1966 BuickElectraCustom1967 BuickEstate WagonBase1964 BuickEstate WagonBase1970 BuickEstate WagonBase1971 BuickEstate WagonBase1972 BuickGran SportBase1965 BuickGran SportBase1966 BuickGran SportBase1967 BuickGSBase1970 BuickGSBase1971 BuickGSBase1972 BuickGS 350Base1968 BuickGS 350Base1969 BuickGS 400Base1968 BuickGS 400Base1969 BuickGS 455Base1970 BuickGS 455Base1971 BuickGS 455Base1972 BuickGS 455GSX1970 BuickLeSabreBase1964 BuickLeSabreBase1965 BuickLeSabreBase1966 BuickLeSabreBase1967 BuickLeSabreBase1968 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