Chassis Components› Crossmembers

UMI PERFORMANCE

UMI Performance 78-88 GM G-Body Modular Adjustable Transmission Crossmember - Black

$359.23

SKU: U01C 3108-B

In Stock
In Stock
Ships by Jun 12
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

UMI's modular crossmember system is designed for 1978-1988 GM G-Body vehicles, offering precision, performance, and versatility. It features a laser-cut tab and slot design with multiple mounting locations for driveline angle adjustment. The brace design provides ample space for large diameter dual exhausts and accommodates various transmission models. Made in the USA.

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.

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Specifications

BrandUMI PERFORMANCE
Part NumberU01C 3108-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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