1978-88 GM Metric G-Body Stamped Rear Upper Control Arm Assembled

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Price: 79.99 USD

• Complete set of upper control arms ready to install
• All new stampings save hours of cleanup time and pressing in new bushings
• Features 1/2-inch ID bushing sleeves for “racer approved” SAE hardware
• Requires drilling out frame and axle bracket holes from 12mm to 1/2-inch
• Bushings come pre-installed and control arms are black powder coated
• IMCA approved factory center-to-center length and bushing design
• Compatible with 10-bolt Metric rear axles and 9-inch housings with Metric brackets
• Perfect for Hobby Stock, Stock Car, and other classes that use GM Metric platforms
• Can be used in 78-88 G-body cars if body and axle holes are enlarged to 1/2-inch

IMCA Approved GM Metric Control Arms That Are Ready to Take You to The Winner’s Circle

Never has the adage “time is money” been more relevant than with racers. Spending hours modifying or rehabbing a part for it to work with your race program is a hard sell when there are countless solutions ready to go to solve the problem and get you back in the racing seat in time for the next race. Even when it comes to budget-friendly spec racing classes, often the new part is the best option to go with versus a weekend worth of fabrication.

A perfect example are GM’s Metric control arms used in many IMCA spec classes like Hobby Stock, Stock Car, and others. Stock Metric upper control arms are often rusty, or even bent/damaged, and the stock rubber bushings usually have seen better days. The lower control arm isn’t usually much better. Taking your tired old arms, blasting them, painting them, and pressing in new bushings, is labor intensive, and if your arms are bent, cracked, or damaged it makes the labor to refurbish them even more of a moot point.

Ready To Install Right from The Box to Your Race Car

These replacement Metric control arms feature stock center-to-center dimensions of 11 inches. All new stampings, they are powder coated for a long life and feature IMCA approved with 1/2-inch ID bushing sleeves. The 1/2-inch ID is popular among racers who loath metric fasteners on their race cars. Now a standard SAE wrench/socket will work for servicing your performance control arms. No more drilling out stock bushing sleeves from 12mm to 1/2-inch!

However, if your car was using Metric arms and 12mm hardware previously you will need to drill out your axle brackets/bushing sleeve and frame holes to 1/2-inch to match the new upper control arm and lower control arm. These control arms bolt up using standard if yours have seen better days or you are replacing your metric hardware with SAE with these control arms.

If you’re considering upgrading from the GM 10-bolt Metric axle housing to the more popular and better served Ford 9-inch axle family, we offer weld-on Metric control arm bracket kits in and offerings. Remembering that time is money, we also offer complete 9-inch axle housings with Metric brackets welded in place. You can opt between a standard or a Grand National style with hubs, axles, and more.

This Part Fits

Note: These control arms fit the following vehicles as stock replacement items provided the frame and rear end control arm bracket bolt holes are drilled out from the stock 12mm to 1/2″ and 1/2″ hardware utilized.

• 1978-1988 Chevy Monte Carlo
• 1978-1983 Chevy Malibu
• 1978-1987 Chevy El Camino
• 1978-1987 GMC Caballero
• 1978-1987 Buick Regal
• 1982-1987 Buick Grand National
• 1978-1988 Oldsmobile Cutlass
• 1978-1987 Pontiac Grand Prix
• 1978-1981 Pontiac Le Mans

Service Parts:

Note: These control arms require drilling the frame and rear end control arm bracket/bushing bolt holes to 1/2″ and using a , which is available seperately.