Description
Detroit TrueTrac Differential 30 Spline 3.73 Ratio and Up 8.875 in GM 12 Bolt RS003C0113W 2005 2006 Chevrolet Silverado 1500 HD WEI7155 2005 2006 Chevrolet Silverado 1500 HD 5 in Tubing Differential Carrier The Detroit Truetrac was the first helical gear differential ever introduced into the automotive aftermarket as an Eaton brand