UMI Performance

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 ...

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 ...

Improve handling and fulfill your truck’s built-in performance potential by installing our P/N 383133-1 tubular upper and lower a-arms. UMI’s P/N 383133-1 upper and lower a-arm kit replaces the...

Improve handling and fulfill your truck’s built-in performance potential by installing our P/N 383133-1 tubular upper and lower a-arms. UMI’s P/N 383133-1 upper and lower a-arm kit replaces the...

Improve the street and track performance of your GM truck and achieve that precise Pro-Touring feel by combining our popular P/N 3033 upper a-arms with ½” taller premium ball joints. P/N 3033-2...

Improve the street and track performance of your GM truck and achieve that precise Pro-Touring feel by combining our popular P/N 3033 upper a-arms with ½” taller premium ball joints. P/N 3033-2...

Improve handling and fulfill your G-Body's built-in performance potential by installing our P/N 3033-1 tubular upper a-arms. The relocated ball joint plate on these a-arms permits up to six degrees...

Improve handling and fulfill your G-Body's built-in performance potential by installing our P/N 3033-1 tubular upper a-arms. The relocated ball joint plate on these a-arms permits up to six degrees...