Detroit TrueTrac Differential - 31 Spline Seat Insert 001" to 6" in increments

001" to 6" in increments of

Latch Style

The Auto Gage line of instruments provide the best bang for the buck performance in the industry

Ford / Lincoln Fullsize Truck 2004-14

Detroit TrueTrac Differential - 31 Spline Seat Insert 001" to 6" in incrementsDetroit Truetrac 913A561 31 Spline 1. 32 in. Axle Shaft Diameter First Helical Gear Differential Eliminates Need For Wearable Parts Maintenance Free Traction Proven Design And Effective Performance Durable Smooth Quiet Operation The legendary Detroit Locker began the revolution in performance differentials and still leads the industry today as an Eaton brand. The Detroit Locker is the most durable and dependable locking differential available. The