UMI Performance · New
UMI Performance 78-88 GMC G-Body Rear Coilover Bracket Kit
MPN 3054 · Store SKU umi3054
Supplier stock checked 11/7/2026, 12:49:18 PM 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
UMI’s bolt-in rear coilover bracket kit is a complete mounting solution for your Quick Performance axle in your 1978-1988 GM G-Body. This bracket features a multi-position design to allow further fine tuning of ride height and shock location (±¾”). In addition to shock location adjustability, the UMI 3054 features five positions of trailing arm location adjustment to match the Quick Performance adjustable lower control arm brackets. Minor drilling is required. UMI’s rear coilover bracket kit for 1978–1988 GM G-Bodies fits Quick Performance axles and offers multi-position adjustability for ride height and shock placement (±¾”). Includes 5 trailing arm positions. Minor drilling required. UMI rear coilover bracket kit for Quick Performance G-Body axles
Manufacturer fitment & guides
Check 3054 against the manufacturer’s application information below.
A manufacturer application guide is not available for this listing. Request the exact application from JuiceBuilt before payment.
Part-specific notes
- California Proposition 65: Y
