UMI Performance

UMI’s 2522 adjustable toe rods for the 5th Generation Chevrolet Camaro and G8 replace the weak stamped steel arms and soft rubber bushings with...

UMI’s adjustable rear upper control arms are a bulletproof addition to your street car. UMI’s upper control arms are suitable for street, str...

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 ...

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 ...

UMI Performance Replacement torque arm bushing for UMI-style mount on 82-02 GM F-Body.Installation InstructionsThis Part Fits: Year Make Model Sub...

40+ years of moisture and abuse can leave your frame in bad shape, and unable to properly locate the body mounts. Our 8 piece kit is designed to we...

UMI's leaf spring installation kit works with UMI P/N 2620 leaf springs as well as other stock location leaf springs. The kit is a great choice for...

The rear toe rods control the camber alignment of the rear end preventing the tire from moving inward or outward during suspension load. The fact...

We all know weight equals horsepower. UMI’s direct bolt-in replacement K-member instantly removes 20 lbs of front end weight from your ride and...

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 i...

UMI’s fabricated tubular a-arms provide a rock solid foundation for your 4th Gen’s front suspension. Our a-arm kit is built to offer increase...

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...

Installing a TH350 automatic transmission into your 1982-1992 Camaro or Firebird just got easier. This transmission cross-member with integrated ...

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 ...

Rear mounting plates use 0.375" thick mild steel and are designed to fit stock as well as 12- bolt and 9" rear-end housingsThis Part Fits: Year Ma...

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

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

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 d...

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 ...

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...

The UMI Performance P/N 6410 flip kit lowers the rear of the 1973-1987 GM C10 truck six inches by relocating the axle above the leaf spring. The sa...

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 Sp...

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...

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

Tired of looking at hammered, crusty lower a-arms with cracked ball joint bosses? UMI has the solution with brand new modern tubular lower a-arms....

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...

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...