The legendary Detroit Locker began the revolution in performance differentials and still leads the industry today. It is considered to be one of the most durable and dependable locking differentials available. Detroit Locker Differentials maximize traction by delivering 100% of the 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 required. Detroit Lockers deliver traction in mud, snow, rocks and on the track. Detroit Locker is the choice of professional racers and off-road enthusiast around the world. Their durability is unmatched!