Detroit TrueTrac Differential - 31 Spline 2010183 a machined billet filler neck

a machined billet filler neck with overflow fitting

2-1/2 in Pin 5 x 5 Hubs

M and L-59) and one for large sizes (L-60

Lifter Installation Kit

Detroit TrueTrac Differential - 31 Spline 2010183 a machined billet filler neckDetroit 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