UMI Performance

We all know weight equals horsepower. UMI’s direct bolt-in replacement k-member instantly removes 25lbs of front end weight from your ride and h...

UMI’s fabricated tubular a-arms provide a rock solid foundation for your 4th Gen’s front suspension. Our P/N 2311 a-arms are built to offer incre...

UMI Performance 93-02 GM F-Body Upper & Lower A-Arm Hardware KitThis Part Fits: Year Make Model Submodel 1993-2002 Chevrolet Camaro Base 1...

The torque arm relocation kit from UMI is designed to remove the front mounting point of the torque arm off the transmission and protect the tail s...

The torque arm relocation kit from UMI Performance is designed to remove the front mounting point of the torque arm off the transmission and pro...

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

UMI Performance 93-02 GM F-Body Tunnel Brace Mount Long Tube Header Set-Ups w/ LoopThis Part Fits: Year Make Model Submodel 1993-2002 Chevrolet ...

UMI’s 35mm (1-⅜”) solid front sway bar is designed to reduce body roll and increase responsiveness and cornering capabilities of the 3rd Gen. UMI’s...

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

UMI’s light weight tubular sway bars are designed to reduce body roll, understeer and increase cornering capabilities resulting in a more balanced ...

UMI’s light weight tubular sway bars are designed to reduce body roll, understeer and increase cornering capabilities resulting in a more balanced ...

The UMI 35mm (1-3/8”) tubular front sway bar is designed to reduce body roll, understeer and increase cornering capabilities resulting in a more ba...

UMI’s performance lowering springs are built to lower the 4th Gen rear approx. 1.5” and increase the spring rates for a crisp handling experience. ...

UMI’s heavy duty caster and camber plates allow you to make alignment changes that are not permitted with the factory strut mounts. These heavy dut...

The panhard bar relocation kit is designed to replace the upper panhard rod support while relocating the lower panhard bar. By doing so, this offer...

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 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 of 1...

UMI’s heavy duty control arms are direct replacements of the weak, factory stamped rear lower control arms. UMI’s control arms are constructed of 1...

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...

Do you want to do your first suspension mod and you don’t know where to start? Well you can never go wrong with an easy to install shock tower brac...

The first and only 2-point tubular bolt-in subframe connector is now available from UMI Performance. This set up is designed to tie the front and r...

The thrust bearing kit is designed to be placed between the spring and the spring seat attached to the coilover shock. This allows for easier adjus...

The thrust bearing kit is designed to be placed between the spring and the spring seat attached to the coilover shock. This allows for easier adjus...

UMI’s bolt-in rear coilover kit allows full ride height, spring rate and damping adjustments, while trailing arm adjustment enables fine tuning of ...

40+ years of moisture and abuse can leave your frame in bad shape, and unable to properly locate the body mounts. Our 14 piece kit is designed to w...

A spring is a spring right? Wrong! When UMI chose to manufacture our own line of springs we went all out. Designed in conjunction with a leading ...

A spring is a spring right? Wrong! When UMI chose to manufacture our own line of springs we went all out. Designed in conjunction with a leading ...

A spring is a spring right? Wrong! When UMI chose to manufacture our own line of springs we went all out. Designed in conjunction with a leading ...

A spring is a spring right? Wrong! When UMI chose to manufacture our own line of springs we went all out. Designed in conjunction with a leading ...

A spring is a spring right? Wrong! When UMI chose to manufacture our own line of springs we went all out. Designed in conjunction with a leading ...

UMI Performance solid sway bars are designed to reduce body roll, understeer and increase cornering capabilities resulting in a more balanced suspe...

UMI Performance solid sway bars are designed to reduce body roll, understeer and increase cornering capabilities resulting in a more balanced suspe...

UMI’s 1-¼" (32mm) solid front sway bar is the go-to bar for today’s modern handling muscle car. This bar reduces body roll and helps plant the fron...

UMI’s 1-¼" (32mm) solid front sway bar is the go-to bar for today’s modern handling muscle car. This bar reduces body roll and helps plant the fron...

Our beefy 1" solid rear sway bar is designed to reduce body roll, understeer and increase cornering capabilities resulting in a more balanced suspe...

Our beefy 1" solid rear sway bar is designed to reduce body roll, understeer and increase cornering capabilities resulting in a more balanced suspe...

Improve performance and make your classic A-Body feel like a modern day muscle car with a complete set of fabricated tubular a-arms from UMI Perf...

Rear control arms are one of the most important suspension modifications that can be done to your GM vehicle. Stock control arms are on the borderl...

Rear lower control arms are a must improvement for any General Motors A-Body vehicle. Our lower control arms our designed to replace your weak,...

Don't reuse old rusty bolts when installing aftermarket A-Arms when they can easily be replaced with new ones. Our kit includes new high grade hard...

Don't reuse your old rusty bolts when installing aftermarket control arms when you can replace them with new one. Our kit includes all new hardware...

Don't reuse your old rusty bolts when installing aftermarket control arms when you can replace them with new ones. Our kit includes all new hardwar...

UMI’s 1-¼" (32mm) solid front sway bar greatly improves the cornering capability of the S10/S15. This bar reduces body roll and helps plant the fro...

UMI’s P/N 3061 G-Body frame notch kit allows for narrowing the rear upper frame rails on the G-Body for installation of a wider tire. Laser cut 1/8...

This 100% jig built, bolt-in brace ties the rear upper shock mounts together to share the load and stiffen the chassis. Strong 1-1/4” tubing is MI...

This 100% jig built, bolt-in brace ties the rear upper shock mounts together to share the load and stiffen the chassis. Strong 1-1/4” tubing is MI...

The UMI Performance, Inc. reinforcing front frame brace is used to stiffen the front frame horns and front crossmember area on the GM G-Body pla...