The long awaited WJ 4-inch Longarm Upgrade Kit is a comprehensive package including everything needed for a great suspension upgrade while maintaining the vehicle's crucial center of gravity. The kit includes adjustable high-clearance X-Flex upper and lower control arms with durable rubber bushings, featuringX-Flex joints. The kit also includes 1/4-inch thick steel crossmember, skid plate and sway bar disconnects. This Longarm Upgrade Kit is a total solution comprised of top-notch components designed for the avid off-roader who wants the most out of their WJ.\ This top of the line kit focuses on improving off-road handling and articulation while preventing binding and rear steer. This kit features high-clearance components with a front 4-link and rear y-link control arm design. This promotes extreme flex while keeping pinion angles optimized. Utilizing adjustable components, this kit can also accommodate future modifications.