UMI Performance · New
UMI Performance 78-88 GM G-Body Modular Adjustable Transmission Crossmember - Red
MPN 3108-R · Store SKU umi3108-R
Supplier stock checked 11/7/2026, 7:52:37 AM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
Transform your GM G-body with UMI's state-of-the-art modular crossmember system, designed to deliver precision, performance, and versatility. Engineered with a laser-cut tab and slot design, this innovative solution offers multiple mounting locations, enabling you to fine-tune your driveline angle effortlessly. Our brace designs provides plenty of space for large diameter dual exhausts, ensuring seamless installation and optimal functionality. Introducing UMI's Cutting-Edge Modular Crossmember System: The Ultimate Transmission Mounting Solution for Your 1978-1988 GM G-Body Whether you're upgrading or maintaining your vehicle, our system accommodates various transmission models with ease. 3108 - 1978-1988 GM G-Body Modular Transmission Crossmember, Adjustable
Manufacturer fitment & guides
Check 3108-R against the manufacturer’s application information below.
Part-specific notes
- California Proposition 65: Y
