Suspension and Components› Rear Suspension Components

UMI PERFORMANCE

UMI Performance 64-72 GM A-Body Tubular Lower Control Arms

$229.99

SKU: U01C 4015-B

In Stock
In Stock
Ships by Jul 31
Free Shipping over $100
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

Part #: 4015-B

Rear lower control arms are a must improvement for any General Motors A-Body vehicle. Our lower control arms our designed to replace your weak, rusted, factory-stamped arms, adding strength, rigidity and bushing improvement. Built using strong DOM steel tubing these direct bolt on replacements help eliminate unwanted wheel hop while improving cornering and helping much needed track consistency. Lower Control arms feature CNC Machined 0.120" wall thickness mild steel tubing, fully TIG welded construction, greaseable polyurethane bushings and zerk grease fittings all combined to make the best arms on the market!

Upgrade your GM A-Body with UMI rear lower control arms. Built from strong DOM steel with TIG welded construction, they reduce wheel hop, improve cornering, and install easily in about an hour using OEM hardware.

This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.

MIA's Description

The UMI Performance 4015-B is a set of rear lower control arms designed as a direct bolt-on replacement for the factory arms in GM A-Body vehicles. Constructed from 1.500" OD x 0.120" DOM mild steel tubing, these arms are fully TIG welded for strength and rigidity. They feature greaseable polyurethane bushings with zerk fittings to reduce wheel hop and improve cornering.

Installation is straightforward, requiring no modifications and utilizing OEM hardware for a 1-hour bolt-on procedure. These control arms offer enhanced performance and durability.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandUMI PERFORMANCE
Part NumberU01C 4015-B

Buy with Confidence

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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