Get the Differential Carriers & Lockers you need to upgrade the differentials in your 2008-2010 Ford 6.4L Powerstroke. Increase traction with products like limited slip differentials, lockers, spools, and rebuild your axles with empty carrier cases, and many more products. Find model-specific components offered for your 1/2-ton, 3/4-ton, or 1-ton truck. Find the most popular manufacturers like Yukon Gear & Axle, Nitro Gear & Axle, and USA Standard Gear.