![Rear Control Arm Kit for 1964-1967 GM A-Body [Boxed Lower Arms, Adjustable Upper Arms]](https://www.jegs.com/images/mini_750/200/236/236-402126-b.jpg)
Rear Control Arm Kit for 1964-1967 GM A-Body [Boxed Lower Arms, Adjustable Upper Arms]
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A worn rear control arm setup lets a classic A-Body's axle shift under load, costing both traction and precision. This UMI kit pairs fully boxed lower control arms with on-car adjustable uppers, so pinion angle can be dialed in after installation without pulling the arms back off the car.
UMI Performance 402126 Features:
- Fully boxed lower control arms built from 3 in. x 1-1/2 in. rectangular tubing with capped radius ends.
- Heavy duty upper control arms with on-car adjustment for quick pinion angle changes.
- CNC machined for accuracy with 1/4 in. thick laser cut mounting pads.
- Greaseable polyurethane bushings with zinc plated steel sleeves.
- Reinforced sway bar holes on the lower arms.
- Durable powder coat finish.
- Made in Philipsburg, PA, USA.
Engineered Suspension Control for Confident Traction and Handling
UMI Performance Rear Lower & Upper Control Arm Kits are designed to enhance suspension stability, traction, and overall handling performance through precision engineering and durable construction. Backed by UMI Performance’s reputation for American-made quality and rigorous testing, these kits are built using high-strength materials and performance-focused design to improve axle control and reduce unwanted movement under load. With an emphasis on fitment accuracy, structural integrity, and consistent performance, UMI control arm kits provide a reliable solution for street, strip, and performance applications, giving enthusiasts confidence in improved handling and long-term durability.