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RockJock's rear upper control arms for 2021-up Broncos provide length adjustability via RH/LH threaded adjuster ends, allowing pinion angle to be adjusted after the installation of a suspension lift without either end of the arm having to be removed from the vehicle!
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 inch o.d. x .250 inch wall DOM steel tubing.
For maximum articulation, arms feature forged 2 1/2 inch Johnny Joint rod ends on both ends with 1 1/4 inch-14 RH/LH threads and jam nuts. Arms are finished in semi-gloss black powder coat and the forged ends are finished in gold zinc plating.
RockJock's rear lower control arms for 2021-up Broncos provide length adjustability via RH/LH threaded adjuster ends, allowing pinion angle to be adjusted after the installation of a suspension lift without either end of the arm having to be removed from the vehicle!
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 inch o.d. x .250 inch wall DOM steel tubing.
For maximum articulation, arms feature forged 2 1/2 inch Johnny Joint rod ends on both ends with 1 1/4 inch-14 RH/LH threads and jam nuts. Arms are finished in semi-gloss black powder coat and the forged ends are finished in gold zinc plating.
RockJock's RockNut Billet Aluminum Johnny Joint Rear Upper 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 inch Johnny Joints with massive 1 1/4 inch 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.
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