Product images and videos are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Suspension and Components› Sway Bars and Components
UMI PERFORMANCE
UMI Performance 64-72 GM A-Body 1in Solid CrMo Rear Sway Bar
SKU: U01C 4034-B
Moderate — 2–4 hours
Overview
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Part #: 4034-B
Our beefy 1" solid rear sway bar is designed to reduce body roll, understeer and increase cornering capabilities resulting in a more balanced suspension. This rear sway bar also works to keep your vehicle level and straight during those hard launches. Our sway bar is manufactured from 1" solid 4140 CrMo steel, heat treated and formed as one piece to ensure maximum strength and performance. The hot forming and heat treating process allows the bar to maintain its shape and memory longer than a cold bent bar.
Sway Bar - Rear - 1 in Diameter - Chromoly - Black Powder Coat - GM A-Body 1964-72 - Kit
This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Vehicle Symptoms
- Excessive body roll when cornering
- Understeer in tight turns
- Rear end feels unstable during hard acceleration
- Poor handling at highway speeds
- Vehicle leans excessively in curves
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Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Fitment
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Specifications
| Brand | UMI PERFORMANCE |
| Part Number | U01C 4034-B |
About MOTORMIA
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Returns & Fitment
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.
Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.
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