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UMI Performance 65-66 GM B-Body Adjustable Upper Control/Trailing Arm

$149.99
Part no. 3657-R In stock
Special order In stock with our distributor. Usually ships in a few business days, and we email tracking as soon as it leaves.

Your vehicle

Year, make and model. Our techs check fitment against it before the order ships.

UMI Performance offers an on-car adjustable control arm for the rear of the GM B-Body vehicle. This control arm is a direct replacement for the factory arms and helps minimize wheel hop and improve cornering. It allows for...

Full details and fitment

The details

About this part

UMI Performance offers an on-car adjustable control arm for the rear of the GM B-Body vehicle. This control arm is a direct replacement for the factory arms and helps minimize wheel hop and improve cornering. It allows for easy pinion angle adjustments without the need to remove it from the vehicle. The control arm features grease-able bushings, TIG welded construction, and a 4140 heat treated CrMo adjuster. This item is sold individually, so please verify how many you need for your vehicle. It is compatible with both 3-link and 4-link rear suspension set-ups.

Installation Instructions
  • On-Car Adjustability using a 4140 Heat Treated Adjuster
  • Grease-able Polyurethane Bushings
  • Durable Powder Coat Finish
  • 4140 CrMo Tube Adapters
  • TIG Welded Construction