UMI Performance · New
UMI Performance 78-88 GM G-Body Adjustable Upper Control Arms- Poly Bushings
MPN 3025-B · Store SKU umi3025-B
Supplier stock checked 11/7/2026, 9:17:37 AM UTC. Adding a part does not reserve it.
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Product details
UMI Performance adjustable upper control arms allow you to adjust your vehicles pinion angle for optimum performance, precise handling and improved traction. Adjustable upper control arms are constructed of CNC machined 0.250" steel mounting plates, 4140 chromoly threaded tube adapters and a high strength, 4140 chromoly, heat treated 1.000" solid adjuster. UMI Performance's unique on-car adjuster allows for easy adjustments with out removing or unbolting the control arm from the vehicle. Adjusting your vehicles pinion angle is must when wanting to lower your track 60-foot times, increase traction and reduce unwanted wheel hop. These control arms also feature grease-able Energy Suspension fluted polyurethane bushings and durable gloss powder coat. 3025 - 1978-1988 GM G-Body Adjustable Upper Control Arms- Poly Bushings Energy Suspension fluted polyurethane bushings Heated treated 1.000" 4140 chromoly adjusters Precision CNC machining and fully welded CNC machined 6061 aluminum step bushings 4140 chrome moly threaded tube adapters Durable long lasting powder coat finish On-Car Adjustability Additional Features:
Manufacturer fitment & guides
Check 3025-B 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
