Products

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...

Adjustability is one the most important things when tuning in your street car's suspension. That is why we have taken the time to develop the ultim...

Adjustability is one the most important things when tuning in your street car's suspension. That is why we have taken the time to develop the ultim...

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...

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...

With modern high grip tires, improved suspension and big power, today’s muscle cars need more help than ever to survive. This front frame brace i...

With modern high grip tires, improved suspension and big power, today’s muscle cars need more help than ever to survive. This front frame brace i...

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...

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 A-body bump steer kit (1964-1970) is designed to reduce or eliminate toe change during suspension travel (also known as “bump steer”). ...

UMI’s 4061-1 bump steer kit allows adjustment of the outer tie rod height which in turn can help reduce or eliminate toe change during wheel trav...

These heavy duty tie rod adjusters from UMI Performance are designed to eliminate the factory clamp style design making adjustments easy and hassle...

UMI's double adjustable lower control arms utilize our Roto-Joint technology for a bind free performance, quiet ride quality, and also offer on c...

UMI's double adjustable lower control arms utilize our Roto-Joint technology for a bind free performance, quiet ride quality, and also offer on c...

UMI's tubular lower control arms utilize our Roto-Joint technology for a bind free performance and quiet comfortable ride quality. The Roto-Joint...

UMI's tubular lower control arms utilize our Roto-Joint technology for a bind free performance and quiet comfortable ride quality. The Roto-Joint...

UMI's tubular lower control arms utilize our Roto-Joint technology for a bind free performance and quiet comfortable ride quality. The Roto-Joint...

UMI's tubular lower control arms utilize our Roto-Joint technology for a bind free performance and quiet comfortable ride quality. The Roto-Joint...

Improve handling and make your classic A-Body feel like a modern day muscle car by combining our popular P/N 4033 upper a-arms with ½" taller pr...

Improve handling and make your classic A-Body feel like a modern day muscle car by combining our popular P/N 4033 upper a-arms with ½" taller pr...

UMI P/N 4023OFCM features off-set aluminum bushings and smaller diameter tubing that place the control arm inward for additional clearance when r...

UMI P/N 4023OFCM features off-set aluminum bushings and smaller diameter tubing that place the control arm inward for additional clearance when r...

Some competitors may consider these "Race Only" control arms while we consider them Race Ready. Our double adjustable lower control arms feature T...

Some competitors may consider these "Race Only" control arms while we consider them Race Ready. Our double adjustable lower control arms feature T...

UMI’s adjustable upper a-arms are designed to excel in Pro-Touring, road race, auto-x and hot street corner carving. The race quality rod ends pr...

UMI’s adjustable upper a-arms are designed to excel in Pro-Touring, road race, auto-x and hot street corner carving. The race quality rod ends pr...

Today’s Pro Touring A-bodies are handling like never before. Achieve your goal of awesome handling with UMI’s new adjustable upper a-arm. Thi...

Today’s Pro Touring A-bodies are handling like never before. Achieve your goal of awesome handling with UMI’s new adjustable upper a-arm. Thi...

Today’s Pro Touring A-bodies are handling like never before. Achieve your goal of awesome handling with UMI’s new adjustable upper a-arm. This ...

Today’s Pro Touring A-bodies are handling like never before. Achieve your goal of awesome handling with UMI’s new adjustable upper a-arm. This ...

UMI’s bolt-in rear coilover kit allows full ride height, spring rate and damping adjustments, while trailing arm adjustment enables fine tuning o...

UMI’s bolt-in rear coilover kit allows full ride height, spring rate and damping adjustments, while trailing arm adjustment enables fine tuning o...

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...

UMI’s boxed rear lower control arms are a bulletproof addition to your car. Suitable for street, strip or corner carving, these arms minimize s...