UMI Performance 4216-R Rear Non-Adjustable Upper Control Arms - Red

The UMI Performance 4216-R rear upper control arms are a heavy-duty, bolt-in replacement designed to minimize suspension deflection, reduce wheel hop, and deliver a more precise, responsive handling feel — whether on the street, at the strip, or carving corners. Manufactured in Philipsburg, PA, these USA-made control arms are engineered for accuracy, strength, and long-term durability.

Key Features:

• USA Made — Proudly manufactured in Philipsburg, PA
• 1/8" wall thickness USA mild steel tubing construction
• CNC laser cut 1/4" upper mounting pads — compatible with all rear end housings
• MIG welded heavy-duty bushing holders for maximum strength and rigidity
• CNC machined for precision tolerances and consistent fitment
• Greaseable polyurethane bushings with zinc-plated steel sleeves for lasting performance
• Durable gloss powder coat finish in red for corrosion resistance and clean appearance
• Direct bolt-in replacement — no cutting or modifications required
• Installs in approximately 1–2 hours using basic hand tools

UMI's rear upper control arms replace soft, worn OEM rubber bushings with high-quality greaseable polyurethane units that maintain proper suspension geometry under hard acceleration and spirited driving. The 1/4" thick CNC laser cut mounting pads are designed to work with all rear end housings, making these a versatile upgrade for a wide range of GM applications.