UMI Performance

UMI's tubular lower control arms utilize our Roto-Joint technology for a bind free performance and quiet comfortable ride quality. The Roto-Joint design is a pivot ball lined with a greaseable...

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 premium ball joints. P/N 4033-1 a-arms combine the...

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 premium ball joints. P/N 4033-1 a-arms combine the...

UMI’s 1-¼" (32mm) solid front sway bar is the go-to bar for today’s modern handling muscle car. This bar reduces body roll and helps plant the front tires without ruining ride quality and comfort...

UMI's A-body Anti-Roll bar is designed to help your hot rod leave the line flat and straight. The bars are manufactured from light weight 1-3/8” diameter tubular steel and feature three different...

UMI's A-body Anti-Roll bar is designed to help your hot rod leave the line flat and straight. The bars are manufactured from light weight 1-3/8” diameter tubular steel and feature three different...

UMI's A-body Anti-Roll bar is designed to help your hot rod leave the line flat and straight. The bars are manufactured from light weight 1-3/8” diameter tubular steel and feature three different...

UMI's A-body Anti-Roll bar is designed to help your hot rod leave the line flat and straight. The bars are manufactured from light weight 1-3/8” diameter tubular steel and feature three different...

Our high-quality ball joints are the great additional to your new upper A-Arms. Premium ball joints are made from high strength steel, feature a self-adjusting internal spring, dust boot, and a CNC...

A spring is a spring right? Wrong! When UMI chose to manufacture our own line of springs we went all out. Designed in conjunction with a leading Sprint Cup chassis engineer, these springs are the ...

Our beefy 1" solid rear sway bar is designed to reduce body roll, understeer and increase cornering capabilities resulting in a more balanced suspension. This rear sway bar also works to keep your...

Our beefy 1" solid rear sway bar is designed to reduce body roll, understeer and increase cornering capabilities resulting in a more balanced suspension. This rear sway bar also works to keep your...