The Detroit Locker is an automatic locking differential that provides ultimate traction for mild to extreme vehicle applications. Its unique, bullet-proof design is engineered to maintain power to both wheels, even if one wheel is lifted off the ground.  Racecar Engineering™ is proud to distribute and support the entire Detroit Locker®-Tractech® product line.  Shop here online now for the most popular items from Detroit Locker®-Tractech®.  Always remember, if you don't find what you need on here our website, we'll gladly special order the item for you directly from the factory.  Please contact our Technical Sales staff for complete information.