UMI Performance

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

This rear suspension kit from UMI Performance includes a set of rear trailing arms and rear toe rod arms. Together these items help to maintain c...

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 2″ front lowering spring kit features high quality construction and a medium firm 900 lb/in spring rating. UMI springs are suitable for daily...

The P/N 0058 heavy duty engine mounts for GM G-Body cars takes the place of the heavy factory clamshell mount. It places the Small Block Chevy in...

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 MIG...

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 MIG...

Trailing arm mount braces are designed to reinforce the upper and lower front control arm mounts on your classic A-Body. The more power your ride m...

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 borde...

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 borde...

UMI’s P/N 4008 allows the installation of LS power into your 1968-1972 GM A-Body. UMI’s LS mounts place the LS engine in the factory SBC/BBC loca...

UMI’s P/N 4008 allows the installation of LS power into your 1968-1972 GM A-Body. UMI’s LS mounts place the LS engine in the factory SBC/BBC loca...

Replacement torque arm bushing for factory style mount on 1982-2002 GM F-Body.Installation InstructionsThis Part Fits: Year Make Model Submodel ...

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 ...

This rear suspension kit from UMI Performance includes a set of rear trailing arms and rear toe rod arms. Together these items help to maintain c...

Minimize chassis flex and increase performance capabilities on your 1982-1992 GM F-Body with boxed style weld-in subframe connectors from UMI Per...

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 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 Performance is designed to remove the front mounting point of the torque arm off the transmission and pro...

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 ...

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 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...

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’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,...