RockJocks 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 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.
Features
- Control Arm Set
Part number: RJ-182501-101 (RJ182501101)
RockJock 2021+ Bronco RockNut Billet Aluminum Johnny Joint Rear Upper Control Arm Set Adjustable
- Canadian company, prices in CAD
- Shipping and duties shown before you pay, no surprises at the door
- Special order, final sale, see policy
Vehicle fitment
Estimated fitment — verify before purchase| Years | Make | Model |
|---|---|---|
| 2021–2027 | Ford | Bronco |
Specifications
Manufacturer data for this part — all visible, no tabs to dig through.
| Brand | RockJock |
| Part number | ROKRJ-182501-101 |
| Category | Suspension & Lift |
Customer reviews

Worth adding
Useful in any truck — ships separately in its own box.
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