JKS Manufacturing 20-21 Jeep Gladiator JT Adjustable J-Flex Upper Control Arms - RearBuild up your Jeep Gladiator JT the right way with these high strength J Flex rear adjustable upper control arms from JKS. Built for superior strength and smooth operation on offroad, these arms allow you to correctly position the rear axle and correct pinion angle on your stock or lifted Gladiator. J Flex arms are built from heavy duty 2 OD x . 250 wall DOM tubing for a massive improvement to factory arms that won't let you down out on the trail. At