UMI Performance

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...

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...

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 M...

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 M...

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 M...

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...

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...

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...

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...

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...

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 tha...

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 2nd Gen F-Body lowering springs are wound from 5160 CrSi premium wire and feature a linear 600 lb/in rate. UMI’s front springs are stiffe...

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...

UMI's polyurethane shackle kit works with UMI P/N 2620 rear leaf springs as well as other stock location leaf springs. The kit is a great choice fo...

UMI’s rear leaf spring is a high perfomance solution to lowering the rear of your 1970-1981 Camaro or Firebird. These springs feature high qualit...

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...

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...

UMI’s 2518 anti-eccentric washers are designed to prevent unwanted alignment changes in your 5th Gen or G8 rear suspension. The 3/16” thick las...

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 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...

The UMI heavy duty tunnel brace reinforces the tunnel area and reduces chassis flex by replacing the weak factory stamped steel brace. Reinforcemen...

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...

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

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

Dimensions are based on GM 22179268 as used in the 1998-2002 GM F-Body.  Seen in the UMI Performance ’99 Camaro with Pace Performance LS3.This P...