Description
Detroit TrueTrac Front Differential 28 Spline 2.73 Ratio and Up 8.5 in GM 10 Bolt Speedometer and others WEI7155 and others there is also an optional start retard circuit that can be programmed to retard the timing 5 Differential Carrier The Detroit Truetrac was the first helical gear differential ever introduced into the automotive aftermarket as an Eaton brand