Quick view Eaton Eaton Detroit Locker Diff 31 Spline 1.32in Shaft Dia 4.56/4.88/5.13 Ratio Front/Reverse Rear 8.8in - 187C145A Compare $1,032.60 $949.99 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 Detroit Locker maximizes... Add to Cart Add to Cart