UMI Performance · New
UMI Performance 91-96 Impala SS Adjustable Extended Length Upper Control Arms- Poly Ends
MPN 3620-R · Store SKU umi3620-R
Supplier stock checked 11/7/2026, 4:35:30 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 Performance extended length upper control arms are designed to center the rear wheels in the wheel well on the Impala SS. These control arms are extended 5/8” with additional adjustment for perfect centering. The user can lengthen or shorten the control arms an additional 1/2” beyond the extended length. Built from DOM tubing with CNC machined mounting points and 4140 Chrome Moly tube adaptors. Features a high strength 4140 Chrome Moly heat treated solid adjuster. Includes polyurethane bushings for quiet operation. Designed to work with extended length lower control arms. Note: Longer driveshaft may be necessary depending on ride height variation. UMI’s extended uppers for the Impala SS add 5/8” length with extra adjustability to center rear wheels. Built from DOM tubing with Chrome Moly adjusters and poly bushings for strength, fitment, and quiet performance. UMI extended uppers center Impala SS rear wheels with added adjustment.
Manufacturer fitment & guides
Check 3620-R against the manufacturer’s application information below.
Part-specific notes
- California Proposition 65: Y
