Upgrade the differentials in your 2017-2022 Ford 6.7L Powerstroke with Differential Carriers & Lockers. Parts are available for 1/2-ton, 3/4-ton, and 1-ton applications. Gain traction and modify your drivetrain with Lockers, spools, limited slip differentials, empty carrier cases, and many more products. USA Standard Gear, Yukon Gear & Axle, and Nitro Gear & Axle are just some of the top-tier companies you'll find.