Suspension and Components› Rear Suspension Components

UMI PERFORMANCE

Coilover Kit Rear

$1,009.99

SKU: U01C 3054-3

In Stock
In Stock
Ships by Jun 7
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Kit to convert 1978-1988 GM G-Body rear suspension to a coilover setup. Includes brackets for Quick Performance and similar housings with 3.000" or 3.250" axle tubes. Designed for 2-3 inch lowering, weld-in or bolt-in. Made from 0.188" thick mild steel, laser cut. Works with coilover shocks with a 1.50" wide bearing and 1/2" bolt.

Fitment

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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 3054-3

Videos

G-Body Coilover Install: Ultimate Handling Upgrade

G-Body Coilover Install: Ultimate Handling Upgrade
How to Adjust Viking Coilover Shocks: Tips for the Best Performance

How to Adjust Viking Coilover Shocks: Tips for the Best Performance
Stage 2 Handling kit: Rear Install | G-Body Build Series | S1E3

Stage 2 Handling kit: Rear Install | G-Body Build Series | S1E3

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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