Powertrax makes limited slip and locking differentials for light truck, SUV and street rod applications. They offer several different differentials that have specialized benefits for certain applications.  Racecar Engineering™ is proud to distribute and support the entire Powertrax® product line.  Shop here online now for the most popular items from Powertrax®.  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.