Rock Jock
Johnny Joint 21-Up Bronco Rear Upper Control Arm Set Steel Adjustable RockJock 4X4
SKU: R01U RJ-182500-101
Description
Part #: RJ-182500-101
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.
Johnny Joint (R) Control Arm Set | Steel | Adjustable
Fitment
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Specifications
| Brand | Rock Jock |
| Part Number | R01U RJ-182500-101 |
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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