The Eaton Detroit Truetrac helical-gear limited-slip differential for GM 7.5" rear housings with 26-spline, 1.16" axle shafts and 3.23+ ring-and-pinion ratios is a maintenance-free unit that automatically maximizes traction. Its helical gear design provides smooth, quiet operation in forward and reverse without special lubrication or friction modifiers, making it a versatile traction upgrade for many vehicles.
Eaton Detroit Truetrac Differential 26 Spline 1.16in Axle Shaft Diameter 3.23 & Up Ratio