Rock Jock's billet aluminum adjustable rear lower control arms for Jeep JL & JK Wranglers provide strength, versatility and cool factor all in one? These can be adjusted at both ends for fine tuning of your suspension and pinion angles.
The JK / JL Wrangler billet aluminum arms provide length adjustability, allowing pinion angle to be adjusted after the installation of a suspension lift! Constructed of high strength CNC machined 1 1/2" o.d. aluminum and are finished in a beautiful black anodize finish.
Rockjocks arms include 4130 chromoly skid plates to bolt on so that they may be replaced in the future if they are damaged. Arms are double adjustable via right hand/left hand 1 1/4" thread Johnny Joint® rod ends and grade 8 pinch bolts at each end.
These arms will work with 37's on stock width axles and a 4 1/2" backspace wheel. If used with larger tires, you will need to go to a wider axle or wheel spacers. Arms must be used in conjunction with adjustable upper control arms.
CNC machined 1 1/2" o.d. aluminum
Completely closed dimension 20.625"
Completely open dimension = 23.125"