RockJock 2021+ Bronco RockNut Billet Aluminum Johnny Joint Rear Lower - RJ-182601-101Find parts that fit my vehicle

RockJock's RockNut Billet Aluminum Johnny Joint Rear Lower Control Arm Set for the 2021-up Bronco provides you with extremely heavy duty, adjustable length control arms to replace your factory control arms. Adjustable control arms are a must for aligning lifted vehicles to get your pinion angle specs in check - and double adjustable arms make this job that much easier because neither end of the arm has to be removed from the vehicle for adjustment! These arms are CNC machined from 7075-T6 aluminum, feature our patent pending RockNut locking nut technology and our 2 1/2 in. Johnny Joints with massive 1 1/4 in. RH and LH threads! Arms are fully greasable, fully adjustable and feature machined-in wrench flats. Finished in clear anodize on the arms and gold zinc plating on the Johnny Joint ends.

Suspension components are key to making sure your car is riding smoothly on or off the road. With upgraded suspension components, you can unlock the full potential of your vehicles performance.

Control arms connect your vehicle's suspension to the vehicles frame. Control arms allow your vehicle to turn and pivot. By having a quality set of control arms, you can keep your vehicle's suspension feeling smooth and operating properly.

A true wheeler at heart, founder John Currie applies over 40 years of the Currie family's generational experience in heavy-duty equipment to RockJock, developing upgraded suspension for Jeeps. By taking his passion project to off-road competitions like the Extreme Rock Crawling Championship Series, King of the Hammers, Jeepspeed Challenge, and more, RockJock 4x4's products have proven their capability to outlast and out-flex the competition. The company's industry-shaping products, like greaseable Johnny Joint rod ends and three-piece Antirock sway bars, dominate the Jeep aftermarket by providing unmatched articulation to outperform its rivals. Ensuring consistent geometry mile after mile from its Johnny Joints, RockJock 4x4 integrates its unique RockNut jam nuts to firmly secure crucial alignment components using a steel nut with a female taper that slides over the control arm's aluminum bung with a male taper. Additional product lines such as spare tire delete panels, steering kits, and towing solutions round out RockJock 4x4's offerings, making it a do-it-all brand for serious off-roaders. RockJock's trusted pedigree in Jeep applications has recently expanded to include the new Ford Bronco platform, bringing outstanding off-road control to a new mob of enthusiasts and competitors.