Product details:

USA Standard Gear's Spartan differential lockers deliver extreme traction at an affordable price. They're easier to install than other lockers and perform as well as more expensive lockers, which is why they're so popular with serious off-roaders who want the most traction they can get. As one of the largest manufacturers of high-quality drive train products, it's no secret why mechanics and enthusiasts turn to USA Standard Gear when it's time for a rebuild.