Eaton Detroit Truetrac Differential 27 Spline 1.15in Axle Shaft Diameter 3.73 & Up Ratio Dana 30

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.Installation InstructionsThis Part Fits: Year Make Model Submodel 1970-1974 Volvo 142 Base 1971-1972 Volvo 142 E 1974 Volvo 142 GL 1970-1974 Volvo 142 S 1970-1974 Volvo 144 Base 1974 Volvo 144 GL 1970-1974 Volvo 144 S 1970-1972,1975 Volvo 164 Base 1973-1974 Volvo 164 E 1970-1974 Volvo 164 S 1990-1993 Volvo 240 Base 1990 Volvo 240 DL 1992 Volvo 240 GL 1