UMI’s Roto-Joint adjustable rear upper control arms are a reliable upgrade for your street or pro-touring car. These upper control arms are suitable for various driving conditions, whether it be on the street, strip, or carving corners. The premium spherical joint minimizes suspension deflection for improved handling, easier pinion angle tuning, and reduced wheel hop. The on-car adjustable design allows for easy adjustments while the control arms remain securely bolted to the vehicle. The heavy-duty construction of these control arms, featuring ¼” thick CNC laser cut mounting pads and a combination of TIG and MIG welding, ensures strength and durability. The UMI designed Roto-Joints and chromoly adjuster provide ultimate performance. These bolt-in replacements are designed to fit all rear end housings and can be installed in 1-2 hours. Upgrade your vehicle with UMI’s ultimate control arms and experience improved launch and handling capabilities.
UMI’s Roto-Joint adjustable rear upper control arms improve handling, reduce wheel hop, and simplify pinion angle tuning. Built with CNC-cut pads, TIG/MIG welds, and chromoly adjusters, they install in 1–2 hours for street or track use.
Installation: Item can be installed in approximately 1-2 hours using basic hand tools.
- On car adjustment using UMI designed & manufactured chromoly adjuster
- Chromoly threaded adapters for improved thread strength
- Durable and long lasting powder coat finish
- CNC laser cut ¼” upper mounting pads
- Made in Philipsburg, PA – USA
- UMI designed Roto-Joints
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| Air Freight Prohibited: false |
| Not Carb Approved: false |
| Ltl Freight Required: false |
| Prop 65: Y |
| Part Type: automotive |
| Epa: N/A |
| Carb Acknowledgement Required: false |
| Regular Stock: false |
| Units Per Sku: 1 |
