UMI Performance · New
UMI Performance 64-67 GM A-Body Adjustable Upper Control Arms- Poly Bushings
MPN 4026-B · Store SKU umi4026-B
Supplier stock checked 11/7/2026, 10:14:21 AM UTC. Adding a part does not reserve it.
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Product details
UMI’s adjustable rear upper control arms are a bulletproof addition to your street car. UMI’s upper control arms are suitable for street, strip or corner carving. The greaseable polyurethane bushings minimize suspension deflection for a crisp handling setup, easy pinion angle tuning and less wheel hop. These on car adjustable upper control arms adjust easily while staying bolted to the car and are designed to handle many applications. These heavy duty arms feature ¼” thick CNC laser cut mounting pads and a mix of TIG and MIG welding. These simple bolt in replacements install in 1-2 hours and are designed to work on all rear end housings. Installation: Item installs in approximately 1-2 hours using basic hand tools. On car adjustment using UMI designed & manufactured CrMo adjuster. 4026 - 1964-1967 GM A-Body Adjustable Upper Control Arms- Poly Bushings Greaseable polyurethane bushings with zinc plated steel sleeves. CrMo threaded adapters for improved thread strength. Durable and long lasting powder coat finish. CNC laser cut ¼” upper mounting pads. Made in Philipsburg, PA – USA. Features
Manufacturer fitment & guides
Check 4026-B against the manufacturer’s application information below.
Part-specific notes
- California Proposition 65: Y