RockJock's Johnny Joint adjustable rear trac bar for JK Wrangler and Unlimited vehicles features precise bends for a perfect fit! This bar can be used on a stock JK, on a JK with RockJock's Off Road Suspension System, or anything in between! Bar is fabricated from 1.250 in. o.d. x .250 in. wall 4130 chromoly steel tubing and features a heavy duty urethane bushing on the frame end, and a custom 1 in. RH thread forged 2 in. diameter Johnny Joint greasable rod end with jam nut on the other end. Arm is finished in semi-gloss black powder coat and the forged Johnny Joint end is finished in gold zinc plating.