UMI Performance

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...

UMI's tubular upper 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...

UMI's tubular upper 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...

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...

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...

UMI's flagship 3032-1's are designed to make your G-Body car handle like a slot car. These arms have two key features above and beyond UMI's already impressive fabricated lower a-arm; Delrin ...

UMI's flagship 3032-1's are designed to make your G-Body car handle like a slot car. These arms have two key features above and beyond UMI's already impressive fabricated lower a-arm; Delrin ...

UMI has raised the bar. Our host of ultra-premium features come together in one package to provide your ride with unmatched precision, performance, durability and quality. UMI’s P/N 383233-2 upper...

UMI has raised the bar. Our host of ultra-premium features come together in one package to provide your ride with unmatched precision, performance, durability and quality. UMI’s P/N 383233-2 upper...

You take pride in your ride whether it's slammed to the ground or infused with a ton of power. Don't settle for those flimsy, stock a-arms. Upgrade to UMI's fabricated tubular a-arms and improve ...

You take pride in your ride whether it's slammed to the ground or infused with a ton of power. Don't settle for those flimsy, stock a-arms. Upgrade to UMI's fabricated tubular a-arms and improve ...

UMI lower A-Arms are fabricated from USA DOM tubing with CNC notched tube ends for a precision fit. They are jig built to maintain accuracy and bolt on correctly every time. All critical areas are ...