Suspension and Components› Rear Suspension Components

UMI PERFORMANCE

UMI Performance 78-88 GM G-Body Adjustable Upper & Lower Control Arm Kit

$519.99

SKU: U01C 301417-B

In Stock
In Stock
Ships by Jun 9
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The UMI PERFORMANCE 301417-B is a rear control arm kit with tubular single adjustable lower control arms and on-car adjustable upper control arms. It offers enhanced strength, improved ride quality, and rear end adjustment for 1978-1988 GM G-Body vehicles.

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 301417-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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