JKS Manufacturing Jeep Wrangler JK Adjustable J-Flex Upper Control Arms - Rear

JK Rear Adjustable UCA

Enhance your Wrangler JK Jeep's off-road prowess and reliability with JKS J-Flex adjustable rear upper control arms. CNC-bent from stout DOM tubing, the fully adjustable design allows you to fine-tune suspension geometry. The ends are also fully rebuildable and greaseable.

With heavy duty 1-1/4"-12 threads and hex shaped weld-in bungs, tightening of the included jam nuts is super easy and secure. At the non-adjustable end, factory style rubber bushings provide quiet, maintenance-free operation. Arms are powder-coated for a long-lasting finish. Sold in pairs.

Adjustable arm design utilizing a forged adjustable flex end and jam nut. Forged end is fully rebuildable and greaseable. 1"-14 threads provide ultimate strength and fine-tune adjustability. Factory