UMI Performance

Wheel hop or traction issues? We have the solution! Optimize your vehicle's instant center and improve forward traction by lowering the rear of the lower control arm 2", 2-3/4", or 3-1/4". These...

UMI’s complete kit replaces the weak, factory stamped lower control arms and panhard bar with our heavy duty tubular setup. These direct bolt-on replacements minimize wheel hop, improve cornering...

UMI’s complete kit replaces the weak, factory stamped lower control arms and panhard bar with our heavy duty tubular setup. These direct bolt-on replacements minimize wheel hop, improve cornering...

UMI’s on car adjustable control arms and panhard bar kit is manufactured from mild steel tubing with CNC machined ends, CrMo tube adapters and assembled with polyurethane bushings. Adjusting the...

UMI’s on car adjustable control arms and panhard bar kit is manufactured from mild steel tubing with CNC machined ends, CrMo tube adapters and assembled with polyurethane bushings. Adjusting the...

Our tubular on-car adjustable panhard bar replaces the flimsy stock stamped panhard bar while adding increased strength and rear end adjustment. This is a must for rear end centering after vehicle...

Our tubular on-car adjustable panhard bar replaces the flimsy stock stamped panhard bar while adding increased strength and rear end adjustment. This is a must for rear end centering after vehicle...

The panhard bar relocation kit is designed to replace the upper panhard rod support while relocating the lower panhard bar. By doing so, this offers enough room to run up to a 3" true dual exhaust...

The panhard bar relocation kit is designed to replace the upper panhard rod support while relocating the lower panhard bar. By doing so, this offers enough room to run up to a 3" true dual exhaust...

The UMI 22mm (7/8”) light weight tubular rear sway bar is designed to reduce body roll, understeer and increase cornering capabilities resulting in a more balanced suspension. This rear sway bar is...

The UMI 22mm (7/8”) light weight tubular rear sway bar is designed to reduce body roll, understeer and increase cornering capabilities resulting in a more balanced suspension. This rear sway bar is...

UMI’s Grade 8 bolt upgrade kit is recommended when installing an aftermarket torque arm on the factory rear end and all similar rear housings that use the long through bolt design. Supplied with...

This kit is highly recommended when installing an aftermarket torque arm to the Moser 12-bolt rear end. The Moser 12-Bolt rear end is supplied with four ½” mounting holes while most aftermarket...

UMI's rear weight jacks provide ride height adjustment and excellent handling for your 3rd or 4th Gen GM F-Body. The kit includes custom wound premium race quality springs and our own unique spring...

UMI's rear weight jacks provide ride height adjustment and excellent handling for your 3rd or 4th Gen GM F-Body. The kit includes custom wound premium race quality springs and our own unique spring...