UMI 3628-R 78-96 B-Body Adj. Upper Control Arms Roto-Joint, Red
Rear Upper Position, Tubular Control Arm Style, Steel
UMI’s Roto-Joint adjustable rear upper control arms are a bulletproof addition to your street or pro-touring car. UMI’s Roto-Joint upper control arms are suitable for street, strip or corner carving. The premium UMI built spherical joint drastically minimizes suspension deflection for a crisp handling setup, easy pinion angle tuning and less wheel hop. These on car adjustable upper control arms adjust easily while staying bolted to the car and are designed to handle virtually any application. The Roto-Joints combined with UMI’s in house designed and machined Chromoly adjuster equal ultimate strength and performance. These heavy duty arms feature ¼” thick CNC laser cut mounting pads and a mix of TIG and MIG welding. These simple bolt in replacements install in 1-2 hours and are designed to work on all rear end housings. Launch harder and turn faster with UMI’s ultimate arms!
On car adjustment using UMI designed & manufactured Chromoly adjuster
UMI designed Roto-Joints
Chromoly threaded adapters for improved thread strength
CNC laser cut ¼” upper mounting pads
Durable and long lasting powder coat finish
Made in Philipsburg, PA – USA
Installation: Item installs in approximately 1-2 hours using basic hand tools.
- This item ships directly from the manufacturer. It may take an additional 10 business days for UMI Performance to ship this item.
- This item ships via Ground Shipping only. Expedited and Air shipping options are not available.
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Q & A
Learn about Speedway Motor's Fully Assembled Rear Control Arm Kit and how it saves time and hassle. In this video, Joe and Kyle explain the benefits of this new product.
Project Chevelle undergoes front suspension upgrades to minimize feeling every dip and bump in the road. Josh S. walks through the install and quick overview of the tubular control arms and G comp spindles.
Learn how replace lower and upper rear control arms. Read up on racer Steve's A-body control arm replacement and the bushings included kit he recommends.
Darrian explains the process of Shelby/Arning drop changes and how that affects your car.
Have a 1970-1994 GM A- or X-body in need of some new lower control arms? Take a look at what Speedway Motors' employee Steve L. has to say about our lower control arms!
Whether you are looking to change the look of your truck, get rid of your tired rusty springs, or upgrade the ride quality of your truck, Speedway Motors has you covered with stock height and lowered spring options.
In this Tech Tip, John responds to a customer question about tubular control arms.