What is the main benefit of adjustable lower control arms?

Adjustable lower control arms allow you to fine-tune the position of your rear axle. This is useful for correcting alignment issues, fitting larger tires, or improving overall traction and handling, especially during hard acceleration.

What materials are these control arms made from?

These control arms are constructed from drawn-over-mandrel mild steel tubing with a 0.120" wall thickness for strength. They also feature polyurethane bushings for comfort and Teflon-lined spherical rod ends for precise adjustment.

Do I need special tools or hardware for installation?

No, these are designed as a direct bolt-on replacement and use your vehicle's original hardware. Installation is straightforward and typically takes about an hour without requiring any drilling.

UMI Performance 71-80 GM H-Body Adjustable Lower Control Arms - Rod Ends

Specifications

Brand: UMI Performance
Part #: 5016-B
UPC: 5016-B

UMI Performance 71-80 GM H-Body Adjustable Lower Control Arms - Rod Ends

Name: UMI Performance 71-80 GM H-Body Adjustable Lower Control Arms - Rod Ends
Brand: UMI Performance
Price: 228.47 USD
Availability: InStock

$228.47

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UMI Performance 71-80 GM H-Body Adjustable Lower Control Arms - Rod Ends. Minimize wheel hop and improve traction.

Key Features

Fits 1971-1980 GM H-Body vehicles including Chevrolet Vega, Monza, Buick Skyhawk, Oldsmobile Starfire, and Pontiac Astre, Sunbird.
Minimizes wheel hop and improves traction for better acceleration and track consistency.
Adjustable design allows for precise positioning of the rear end, accommodating larger tires and aftermarket rear end installations.
Constructed from strong, drawn-over-mandrel mild steel tubing (1.250" OD x 0.120" wall) with a durable zinc-plated steel sleeve.
Features a Teflon-lined spherical rod end for bind-free adjustments and on-car grease fittings for maintenance.
Includes quiet and comfortable polyurethane bushings for daily drivability.

⚠️ 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

If you're looking to get your 1971-1980 GM H-Body handling better, especially for track or autocross use, these adjustable lower control arms from UMI Performance are a solid choice. They're designed to directly replace your stock arms, making installation straightforward without needing to drill any new holes. The main goal here is to help reduce that annoying wheel hop you can get when accelerating hard, which in turn improves your car's traction and makes its handling more consistent on the track.

What makes these arms stand out is their adjustability. They allow you to move the rear end forward or backward slightly, which is super handy if you're fitting larger tires or installing an aftermarket rear end. UMI builds these from strong, drawn-over-mandrel mild steel tubing, measuring 1.250" OD with a 0.120" wall thickness, and they're fully TIG welded for a well-built feel. Inside, you've got polyurethane bushings that keep things comfortable and quiet for daily driving, while the Teflon-lined spherical rod ends on the other side provide precise adjustments and bind-free operation. Plus, they even include grease fittings so you can keep those rod ends lubricated.

These control arms fit a range of vehicles, including models like the Chevrolet Monza, Buick Skyhawk, and Pontiac Sunbird from the mid-70s to early 80s. Installation is generally a simple bolt-on job using your car's original hardware, and it typically takes about an hour. It’s a noticeable upgrade for anyone looking to get more out of their classic GM rear-wheel-drive car.