Boxed rear control arms boost handling, traction, and durability.Rear control arms are essential suspension upgrades for GM vehicles. Stock control arms are prone to bushing deflection and rusting, leading to traction loss and poor handling. Our boxed control arms offer improved performance for both weekend cruising and track use. The included polyurethane bushings outperform OEM rubber, enhancing ride quality and reducing traction loss. These direct bolt on control arms minimize wheel hop, enhance cornering, and

This adjustable tubular panhard bar replaces the stock bar on 58-64 GM B-Body vehicles

This kit from UMI Performance includes tubular rear lower control arms and adjustable rear upper control arms

Whether you're a weekend warrior

high-speed ball bearings

Note: Upper a-arm P/N 4056-1 includes standard height ball joints and must be used with A-Body tall spindles

Enjoy significant handling improvement and a sport-oriented ride quality

precision laser-cut mounting points

Manufactured in Philipsburg

Four-Cycle Alcohol Fuel Lubricant

Inc is proud to introduce our P/N 2045 GM F-Body bolt-in rear coilover bracket kit

095" mild steel DOM

High viscosity-index (VI) to provide relatively constant viscosity and film thickness with varying temperature change