UMI Performance offers an on-car adjustable control arm for the rear of the GM B-Body vehicle. This rear upper control arm for the 65-66 GM B-Body is a direct replacement for the factory arms and is designed to minimize wheel hop, improve corning, and help track consistency. It allows for easy pinion angle adjustments without the need to remove it from the vehicle. The control arm features greaseable bushings, TIG welded construction, and a 4140 heat treated Chrome-Moly adjuster. Please verify whether your vehicle has (1) or (2) upper control arms. Six cylinder and most small block vehicles were supplied with a 3-link rear suspension while big block vehicles used a 4-link set-up.
Installation InstructionsThis Part Fits:
| Year |
Make |
Model |
Submodel |
| 1967-1970 |
Chevrolet |
Bel Air |
Base |
| 1967-1970 |
Chevrolet |
Biscayne |
Base |
| 1967-1970 |
Chevrolet |
Caprice |
Base |
| 1967-1970 |
Chevrolet |
Impala |
Base |
| 1967 |
Chevrolet |
Impala |
SS |
⚠️ 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:
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Avoid the headache of the wrong part. If you are unsure about compatibility, contact us first. If we verify the fitment for your vehicle via email and it doesn’t fit, we will handle the exchange at no cost to you.
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Unused items in brand-new, original packaging can be returned within 30 days. While standard refunds incur a 25% restocking fee, we will waive this fee entirely if you choose store credit or an exchange for your next upgrade.
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Exclusions:
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To ensure every customer receives brand-new, untampered components, parts that have been installed, modified, or used are non-returnable. Custom builds, special orders, and wheel/tire packages are considered final sale.
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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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Verify Your Build:
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