
Specifications
- Brand
- UMI Performance
- Part #
- 4043-B
- UPC
- 4043-B

UMI Performance 64-72 A-Body Double Adjustable Lower Control Arms- w/ Roto-Joints
$435.19
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UMI Performance double adjustable lower control arms with Roto-Joints. Adjust your rear end for better tire fitment and handling.
Key Features
- Fits 1964-1972 A-Body vehicles including Chevrolet Chevelle, Buick Skylark, and Pontiac GTO.
- Features UMI Roto-Joints with greaseable Delrin races for 28 degrees of bind-free movement.
- Double adjustable design allows for on-car lengthening or shortening of the control arms.
- Constructed from 1-1/2 inch DOM mild steel tubing with TIG-welded chromoly threaded adapters.
- Threaded ends use left and right-hand threads for easy on-car adjustments.
- Includes reinforced sway bar mounting holes for stock or aftermarket sway bars.
⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more
Product Details
This set includes a pair of UMI Performance double adjustable lower control arms, fully assembled and ready to install on your 1964-1972 A-Body vehicle. These arms are built to give you more flexibility in setting up your rear suspension, whether you're looking to fit larger tires or precisely center your rear end. They use UMI's Roto-Joint technology, which is a pivot ball with a greaseable Delrin race, designed to allow for up to 28 degrees of movement. This setup helps prevent binding during suspension articulation, leading to improved handling and a quieter ride compared to stock rubber or aftermarket polyurethane bushings.
Fabricated from 1-1/2 inch DOM tubing with TIG-welded chromoly threaded adapters, these control arms are built for strength. The threaded ends have left and right-hand threads, making on-car adjustments straightforward – just loosen the jam nuts and turn the wrench to lengthen or shorten the arm. This adjustability is key for centering aftermarket rear ends or tucking larger tires into the fender wells. The arms also include reinforced sway bar mounting holes, ready for stock or aftermarket sway bars. The Roto-Joints are designed to handle both street driving and more demanding uses like auto-cross or drag racing, offering a bind-free, low-friction operation while still absorbing road noise for a comfortable ride.
Specifications
- Brand
- UMI Performance
- Manufacturer Part #
- 4043-B
- UPC
- 4043-B
Frequently Asked Questions
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UMI Performance 64-72 A-Body Double Adjustable Lower Control Arms- w/ Roto-Joints
