Products

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 prem...

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 prem...

Replacement rubber bump stops bolt in place of damaged or worn factory bump stops using existing mounting holes. Minor trimming of mounting flange ...

UMI Performance, Inc is proud to introduce our P/N 2047 GM F-Body bolt-in rear shock relocator kit. This kit rotates the factory style rear shock t...

Replace your weak, factory stamped lower control arms with UMI's heavy duty tubular adjustable set up. These direct bolt-on replacements minimize w...

Replace your weak, factory stamped lower control arms with UMI's heavy duty tubular adjustable set up. These direct bolt-on replacements minimize w...

Are you a racer on a budget? This single adjustable set-up is excellent and inexpensive improvement for your street or drag race application. This ...

Are you a racer on a budget? This single adjustable set-up is excellent and inexpensive improvement for your street or drag race application. This ...

Eliminate unwanted traction problems and transfer your power to the wheels by adding a UMI Performance adjustable torque arm. This aftermarket to...

Eliminate unwanted traction problems and transfer your power to the wheels by adding a UMI Performance adjustable torque arm. This aftermarket to...

Eliminate unwanted traction problems and transfer your power to the wheels by adding a UMI Performance adjustable torque arm. This aftermarket to...

Eliminate unwanted traction problems and transfer your power to the wheels by adding a UMI Performance adjustable torque arm. This aftermarket to...

An affordable suspension upgrade is now available for your F-Body vehicle. This non-adjustable transmission mounted torque arm features all the s...

An affordable suspension upgrade is now available for your F-Body vehicle. This non-adjustable transmission mounted torque arm features all the s...

Replace your weak, factory stamped lower control arms with UMI's heavy duty tubular adjustable setup. These direct bolt-on replacements minimize wh...

Replace your weak, factory stamped lower control arms with UMI's heavy duty tubular adjustable setup. These direct bolt-on replacements minimize wh...

Replace your weak, factory stamped lower control arms with UMI's heavy duty tubular adjustable setup. These direct bolt-on replacements minimize wh...

Replace your weak, factory stamped lower control arms with UMI's heavy duty tubular adjustable setup. These direct bolt-on replacements minimize wh...

This complete kit replaces your weak, factory stamped lower control arms and panhard bar with our heavy duty tubular setup. These direct bolt-on re...

This complete kit replaces your weak, factory stamped lower control arms and panhard bar with our heavy duty tubular setup. These direct bolt-on re...

UMI’s heavy duty control arms are direct replacements of the weak, factory stamped rear lower control arms. UMI’s control arms are constructed ...

UMI’s heavy duty control arms are direct replacements of the weak, factory stamped rear lower control arms. UMI’s control arms are constructed ...

Our tubular non-adjustable panhard bar is a direct replacement for the flimsy stock stamped panhard bar, it adds strength as well as bushing improv...

Our tubular non-adjustable panhard bar is a direct replacement for the flimsy stock stamped panhard bar, it adds strength as well as bushing improv...