Ford Bronco Control Arm Set - Rear Upper - RockJock - RockNut Billet Aluminum Johnny Joint, Double Adjustable - Clear Anodized / Gold Zinc - `21-`27
Ford Bronco Control Arm Set - Rear Upper - RockJock - RockNut Billet Aluminum Johnny Joint, Double Adjustable - Clear Anodized / Gold Zinc - `21-`27
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Ford Bronco Control Arm Set - Rear Upper - RockJock RockNut Billet Aluminum Johnny Joint, Double Adjustable - Clear Anodized / Gold Zinc - ’21–’27. Replace your factory rear uppers with robust, on-vehicle-adjustable arms built for accurate pinion angle setup on lifted Broncos.
CNC-machined from 7075-T6 billet aluminum, these RockJock rear uppers use patent-pending RockNut locking hardware and 2.5 in. Johnny Joints with 1.25 in. RH/LH threads. Fully greasable with machined-in wrench flats, they adjust on-vehicle so you can fine-tune alignment without removing either end. Clear-anodized arms and gold-zinc joint housings help resist corrosion and wear for dependable performance on and off the road.
Features
- Double-adjustable design for on-vehicle tuning
- 7075-T6 billet aluminum construction, CNC-machined
- 2.5 in. Johnny Joints with 1.25 in. RH/LH threads
- Patent-pending RockNut locking nut system
- Fully greasable; machined-in wrench flats
- Clear anodized arms; gold zinc joint ends
- For 2021–2027 Ford Bronco (rear upper position)
Questions or need spec guidance? Call our teams in Austin, TX or the Los Angeles, CA area for product support, installation, and customization services: TX 512-982-9393, CA 562-981-6800.
Buying multiple items? Contact us for potential shipping discounts. We install on premises at both locations.
CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov





