RockJocks Johnny Joint rear lower control arms for JL Wrangler and Unlimited and JK Wrangler and Unlimited vehicles provide length adjustability allowing pinion angle to be adjusted after the installation of a suspension lift. Additionally the adjustable feature of our arms allows your vehicle to be upgraded to different lift amounts without having to replace the control arms in the future. Arms are fabricated from 1.625 in. o.d. x .250 in. wall DOM steel tubing, feature the 2 1/2 in. Johnny Joint rod end on one end, and the 1 1/4 in. RH thread forged 2 1/2 in. Johnny Joint and jam nut on the other end for maximum articulation. Arms are finished in semi-gloss black powder coat and the forged ends are finished in gold zinc plating.

RockJock 4x4 by John Currie develops trail-proven suspension and steering components for Jeeps and modern off-road platforms, including complete lift systems and the well-known AntiRock sway bar setups. Built around durable, articulation-friendly designs, RockJock is a go-to for enthusiasts who want confident road manners and real capability when the terrain gets technical.