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 $1,059.77 $974.99 The Detroit Locker is a 100% automatic locking differential that provides ultimate traction for mild to extreme vehicle applications. Its unique, bullet-proof design is engineered to keep both wheels in drive mode – even if one wheel is lifted off the... Add to Cart Add to Cart