UMI Performance

Replace your weak, factory stamped rear lower control arms with UMI's heavy-duty tubular set up. These control arms are constructed of DOM mild steel tubing, CNC machined and fully TIG welded...

Replace your weak, factory stamped rear lower control arms with UMI's heavy-duty tubular set up. These control arms are constructed of DOM mild steel tubing, CNC machined and fully TIG welded...

UMI’s 3rd and 4th Generation GM F-Body competition panhard bar lowering and leveling kit is designed to increase over-the-axle exhaust pipe clearance and also lower and level the Panhard bar. This...

UMI’s 3rd and 4th Generation GM F-Body competition panhard bar lowering and leveling kit is designed to increase over-the-axle exhaust pipe clearance and also lower and level the Panhard bar. This...

Kit Features:- 1.250" OD Drawn Over Mandrel Tubing- 4140 Chrome Moly Threaded Tube Adaptors- QA1 ¾" Hard Chrome Plated, Teflon/Kevlar Self Lubricating Race Rod end- Complete Set Features TIG Welded...

Kit Features:- 1.250" OD Drawn Over Mandrel Tubing- 4140 Chrome Moly Threaded Tube Adaptors- QA1 ¾" Hard Chrome Plated, Teflon/Kevlar Self Lubricating Race Rod end- Complete Set Features TIG Welded...

The UMI Watts Link is designed as a key component to optimize the 3rd and 4th Gen F-car solid axle rear suspension. The combination of lateral locating ability and roll center height adjustment makes...

The UMI Watts Link is designed as a key component to optimize the 3rd and 4th Gen F-car solid axle rear suspension. The combination of lateral locating ability and roll center height adjustment makes...

Replacement torque arm bushing for factory style mount on 1982-2002 GM F-Body.Installation InstructionsThis Part...

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...

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...

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...

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...

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...