UMI Performance 68-72 GM A-Body Rear Control Arm Kit Fully Boxed Lowers Adjustable Uppers - 402117-B

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 Performance 68-72 GM A-Body Rear Control Arm Kit Fully Boxed Lowers - 402116-R

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 Performance 68-72 GM A-Body Rear Control Arm Kit Fully Boxed Lowers - 402116-B

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 Performance 64-72 GM A-Body Rear Lower Control Arms Fully Boxed Premium - 4021-R

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 Performance 64-72 GM A-Body Rear Lower Control Arms Fully Boxed Premium - 4021-B

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 Performance 64-72 GM A-Body Rear Lift Bar Set-Up-Weld-In - 4020-R

The UMI rear lift bars replace the factory rear control arms adding traction while not changing vehicle ride height. Lift bars work with axle torque to load the chassis of the car, forcing the rear...

UMI Performance 64-72 GM A-Body Rear Lift Bar Set-Up-Weld-In - 4020-B

The UMI rear lift bars replace the factory rear control arms adding traction while not changing vehicle ride height. Lift bars work with axle torque to load the chassis of the car, forcing the rear...

UMI Performance 64-67 GM A-Body Adjustable Upper Control Arms - Ultimate Arms - 4019-R

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 ultimate on-car adjustable upper control arms for the...

UMI Performance 64-67 GM A-Body Adjustable Upper Control Arms - Ultimate Arms - 4019-B

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 ultimate on-car adjustable upper control arms for the...

UMI Performance 64-67 GM A-Body Tubular Non-Adjustable Upper Control Arms - 4018-R

Rear control arms are essential suspension upgrades for GM vehicles. Stock control arms are often subpar, leading to traction loss and poor handling due to bushing deflection and weak material. Our...

UMI Performance 64-67 GM A-Body Tubular Non-Adjustable Upper Control Arms - 4018-B

Rear control arms are essential suspension upgrades for GM vehicles. Stock control arms are often subpar, leading to traction loss and poor handling due to bushing deflection and weak material. Our...

UMI Performance 68-72 GM A-Body Adjustable Upper Control Arms - Ultimate Arms - 4017-R

Adjustability is one the most important things when tuning in your street cars suspension. That is why we have taken the time to develop the ultimate on-car adjustable upper control arms for the rear...