200-7-2018 Wrangler JK Adj J-Flex Lower Control Arms - Rear (JKSJKS1660)These adjustable rear lower control arms are designed to upgrade the rear suspension performance and geometry of your Jeep Wrangler JK. CNC bent from stout DOM tubing, the fully adjustable design allows you to fine tune arm length for optimal suspension alignment. One end features a rebuildable and greaseable forged adjustable flex end with heavy duty threads and jam nuts for secure adjustment, while the non adjustable end uses factory style rubber