UMI Performance

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...

UMI’s 3056 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 provide shim-free camber and caster adjustment...

UMI’s 3056 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 provide shim-free camber and caster adjustment...

UMI’s 3056 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 provide shim-free camber and caster adjustment...

UMI’s 3056 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 provide shim-free camber and caster adjustment...

UMI’s 3056-3 arms are the ultimate in performance and are race proven on the UMI Green Machine. These adjustable upper a-arms are designed to excel in Pro-Touring, road race, auto-x and hot street...

UMI’s 3056-3 arms are the ultimate in performance and are race proven on the UMI Green Machine. These adjustable upper a-arms are designed to excel in Pro-Touring, road race, auto-x and hot street...

UMI’s 3056 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 provide shim-free camber and caster adjustment...