What is the main benefit of adjustable upper control arms?

Adjustable upper control arms allow you to precisely tune your vehicle's pinion angle. This is important for driveline alignment and can help reduce vibrations and wheel hop, leading to improved handling and traction.

What is included with these control arms?

This kit includes a pair of adjustable rear upper control arms, greaseable polyurethane bushings with zinc-plated steel sleeves, CrMo threaded adapters, and UMI-designed CrMo adjusters for on-car adjustment.

How difficult is the installation process?

Installation is considered straightforward and can typically be completed in about 1-2 hours using basic hand tools. The adjusters allow for on-car tuning, simplifying the process.

UMI Performance 78-96 GM B-Body Adjustable Upper Control Arms - Poly Bushings

Specifications

Brand: UMI Performance
Part #: 3618-B
UPC: 3618-B

UMI Performance 78-96 GM B-Body Adjustable Upper Control Arms - Poly Bushings

Name: UMI Performance 78-96 GM B-Body Adjustable Upper Control Arms - Poly Bushings
Brand: UMI Performance
Price: 293.75 USD
Availability: InStock

$293.75

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UMI Performance adjustable rear upper control arms for 78-96 GM B-Body. Improve handling and tune pinion angle with greaseable poly bushings.

Key Features

Fits 1978-1996 Buick LeSabre, Roadmaster, Chevrolet Caprice, Impala, Pontiac Bonneville, and Catalina.
Adjustable on the vehicle using a UMI-designed CrMo adjuster for easy pinion angle tuning.
Greaseable polyurethane bushings with zinc-plated steel sleeves help minimize suspension deflection.
CrMo threaded adapters offer improved thread strength for durability.
CNC laser-cut ¼” upper mounting pads ensure precise fitment.
Made in Philipsburg, PA – USA.

⚠️ 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

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Will this fit your vehicle?

Product Details

When you're looking to dial in the rear suspension on your 1978-1996 GM B-Body vehicle, like a Chevrolet Caprice or Buick Roadmaster, these adjustable upper control arms from UMI Performance are a solid choice. They help you fine-tune your pinion angle, which is crucial for driveline alignment, and also work to reduce unwanted wheel hop for improved traction. You get a pair of these control arms, complete with greaseable polyurethane bushings and the necessary CrMo adjuster for on-car adjustments.

These control arms are built tough with CNC laser-cut mounting pads and a combination of TIG and MIG welding, all finished with a durable powder coat. The greaseable polyurethane bushings, paired with zinc-plated steel sleeves, are designed to minimize deflection for better handling and are long-lasting. The CrMo threaded adapters add extra strength where you need it most. Installation is straightforward, typically taking about 1-2 hours with basic hand tools, and they're designed to fit all rear end housings for these GM B-Body applications.