UMI Performance

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...

This is a complete rear suspension kit and includes all items needed to rebuild the rear suspension on your 1964-1972 A-Body. This kit includes tubular lower control arms, tubular upper controls,...

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

This is a complete rear suspension kit and includes all items needed to rebuild the rear suspension on your 1964-1972 A-Body. This kit includes tubular lower control arms, tubular upper controls,...

UMI Performance 68-72 GM A-Body Spring/Shock Lowering Kit 1in Rear 250lbThis Part...

UMI Performance 68-72 GM A-Body Spring/Shock Lowering Kit 1in Rear 450lbThis 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...

Viking’s front coilover kit combines a high quality hybrid spring with a 19-position double adjustable shock. The upper coil fits the upper spring perch on your vehicle while the lower part of the...