RJ- -101 – -Up Bronco Rear Lower Johnny Joint Control
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RockJock’s RockNut Billet Aluminum Johnny Joint Rear Lower Control Arm Set for the 2021-up Bronco provides you with extremely solid 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 inch Johnny Joints with massive 1 1/4 inch RH and LH threads!
Arms are totally greasable, fully adjustable and feature machined-in wrench flats. Finished in clear anodize on the arms and golden zinc plating on the Johnny Joint ends.
Kit Fits:
- 2021-up Bronco – All Models
Kit Includes:
- Johnny Joint Billet Aluminum Rear Lower Con






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