Engineered for all Jeep Wrangler JKs, 2007 to current, the Ultimate Dana 44 axle is a direct bolt-in solution and requires you to reuse your stock wheel ends. Featuring a number of upgrades for added on-trail durability, plus added strength wherever you take your vehicle, the Ultimate Dana 44 axle is built to meet the demands of serious off-road enthusiasts. From the Spicer nickel Chromoly steel axle shafts to the Spicer performance differential cover to the SPL 1350 axle shaft universal joints, the Ultimate Dana 44 front axle is built to deliver for people who rely on their Jeep Wrangler JK.