Detroit Locker DL 187SL17B is manufactured for Ford 9 inch axle assemblies with 31 spline axle shafts. This quality locking differential is tried and true and will provide your ride with the traction you need without compromising vehicle steering.

Detroit Lockers maximize traction by delivering 100% of torque to both drive wheels. It is engineered to keep both wheels in a constant drive mode and has the ability to automatically allow wheel speed differentiation when cornering.