The Eaton Detroit Truetrac helical-gear limited-slip differential provides automatic, maintenance-free traction enhancement for Dana 30 rear applications. This unit features 27 splines and a 1.15 in axle shaft diameter and is specified for 3.73:1 and higher ring-and-pinion ratios to improve traction and vehicle control over an open differential. Its helical gears ensure smooth, quiet engagement in both forward and reverse without special additives.
Eaton Detroit Truetrac Differential 27 Spline 1.15in Axle Shaft Diameter 3.73 & Up Ratio Dana 30