UMI Performance

UMI Performance 68-72 GM A-Body Lowering Kit 1in LoweringThis Part...

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 location with the ability to move the engine...

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 location with the ability to move the engine...

UMI’s rear control arm kit is a bulletproof addition to your car. Suitable for street, strip or corner carving, this kit minimizes suspension deflection for a crisp handling setup and less wheel...

UMI’s rear control arm kit is a bulletproof addition to your car. Suitable for street, strip or corner carving, this kit minimizes suspension deflection for a crisp handling setup and less wheel...

UMI’s premium boxed lower control arms are fully boxed to offer the factory look while still providing enhanced performance to the vehicle. Our premium factory arms are built from larger 3” x ...

UMI’s rear control arm kit is a bulletproof addition to your car. Suitable for street, strip or corner carving, this kit minimizes suspension deflection for a crisp handling setup and less wheel...

UMI’s rear control arm kit is a bulletproof addition to your car. Suitable for street, strip or corner carving, this kit minimizes suspension deflection for a crisp handling setup and less wheel...

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 welded to 3/16” thick laser cut brackets for a...

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 welded to 3/16” thick laser cut brackets for a...

UMI Performance 68-72 GM A-Body Rear Suspension Kit - BlackThis Part...

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 borderline of junk, bushing deflection and rusting weak...

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 borderline of junk, bushing deflection and rusting weak...

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 borderline of junk, bushing deflection and rusting weak...

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 borderline of junk, bushing deflection and rusting weak...