UMI Performance’s rear upper control arms for the 71-75 GM H-Body are a direct bolt-in replacement for the factory control arms. These control arms are designed to minimize wheel hop, improve traction, and enhance track consistency. The solid construction eliminates flex found in the factory control arms, while the bushings reduce bushing deflection. UMI’s control arms are constructed from 1.250” drawn over mandrel mild steel tubing, CNC machined, and fully TIG welded for maximum strength. They also feature greaseable polyurethane bushings, grease fittings, and zinc plated steel sleeves. These control arms provide improved cornering and rear stability for both street cars and drag racers. Installation is straightforward, with an easy 1-hour bolt-on process requiring no drilling and utilizing OEM hardware.
This Part Fits:
| Year |
Make |
Model |
Submodel |
| 1975 |
Buick |
Skyhawk |
Base |
| 1975 |
Buick |
Skyhawk |
S |
| 1975 |
Chevrolet |
Monza |
2+2 |
| 1975 |
Chevrolet |
Monza |
S |
| 1971-1975 |
Chevrolet |
Vega |
Base |
| 1975 |
Chevrolet |
Vega |
Cosworth |
| 1975 |
Chevrolet |
Vega |
Estate Wagon |
| 1975 |
Chevrolet |
Vega |
LX |
| 1971-1974 |
Chevrolet |
Vega |
Panel |
| 1975 |
Chevrolet |
Vega |
Panel Express |
| 1975-1980 |
Oldsmobile |
Starfire |
Base |
| 1977-1980 |
Oldsmobile |
Starfire |
Firenza |
| 1976-1980 |
Oldsmobile |
Starfire |
GT |
| 1975 |
Oldsmobile |
Starfire |
S |
| 1976-1980 |
Oldsmobile |
Starfire |
SX |
| 1975 |
Pontiac |
Astre |
Base |
| 1975 |
Pontiac |
Astre |
Custom |
| 1975 |
Pontiac |
Astre |
GT |
| 1975 |
Pontiac |
Astre |
GT Safari |
| 1975 |
Pontiac |
Astre |
S |
| 1975 |
Pontiac |
Astre |
S Safari |
| 1975 |
Pontiac |
Astre |
Safari |
| 1975 |
Pontiac |
Astre |
SJ |
| 1975 |
Pontiac |
Astre |
SJ Safari |
⚠️ California Proposition 65 Warning:
This product may expose you to chemicals known to the State of California
to cause cancer or reproductive harm.
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Fitment Guarantee
Fitment guides and tools are helpful—but your car is unique! Some trims and options aren’t always listed, so if you want 100% confidence that a part will fit, our team is happy to double-check for you. We take the guesswork out of your purchase by standing behind our expertise.
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