UMI Performance · New
UMI Performance 64-72 GM A-Body Rear Lower Control Arms Boxed
MPN 4024-B · Store SKU umi4024-B
Supplier stock checked 11/7/2026, 6:14:02 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.
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Product details
UMI’s boxed rear lower control arms are a bulletproof addition to your car. Suitable for street, strip or corner carving, these arms minimize suspension deflection for a crisp handling setup and less wheel hop. Sway bar mounting holes are reinforced with TIG welded sleeves to allow factory style sway bar mounting, including UMI’s popular 1” version. UMI’s boxed control arms are CNC machined for accuracy and assembled with high quality greaseable polyurethane bushings. Installation: Item installs in approximately one hour using basic hand tools. Reinforced sway bar holes feature TIG welded reinforcement sleeves 2” x 1-1/2” x 1/8” wall mild steel rectangular tubing 4024 - 1964-1972 GM A-Body Rear Lower Control Arms, Boxed Greaseable polyurethane bushings with zinc plated sleeves Durable and long lasting powder coat finish CNC machined for accuracy and consistency MIG welded heavy duty bushing holders Made in Philipsburg, PA – USA Features:
Manufacturer fitment & guides
Check 4024-B against the manufacturer’s application information below.
Part-specific notes
- California Proposition 65: Y
