UMI Performance

UMI's tubular lower control arms for the 1982-2002 GM F-Body feature Roto-Joint technology, delivering bind-free performance and a quiet, comfortable ride. The Roto-Joint design allows for 28 degrees...

More about Roto-Joint Technology….. UMI's Roto-Joint, short for Rotational Joint, allows 28 degrees of total rotation and unrestricted movement throughout the vehicles suspension. The Roto-Joint is...

More about Roto-Joint Technology….. UMI's Roto-Joint, short for Rotational Joint, allows 28 degrees of total rotation and unrestricted movement throughout the vehicles suspension. The Roto-Joint is...

This adjustable panhard bar is a durable replacement for your car's stock panhard bar, offering enhanced strength and rear end adjustment. It is crucial for centering the rear end after lowering your...

This adjustable panhard bar is a durable replacement for your car's stock panhard bar, offering enhanced strength and rear end adjustment. It is crucial for centering the rear end after lowering your...

UMI's on car adjustable lower control arms utilize our Roto-Joint technology for a bind free performance, quiet ride quality, and also offer on car adjustment. The control arms can be adjusted...

UMI's on car adjustable lower control arms utilize our Roto-Joint technology for a bind free performance, quiet ride quality, and also offer on car adjustment. The control arms can be adjusted...

This tubular single adjustable panhard bar replaces the stock stamped panhard bar, offering increased strength and enhanced rear end adjustment. It's vital for centering the rear end after lowering...

This tubular single adjustable panhard bar replaces the stock stamped panhard bar, offering increased strength and enhanced rear end adjustment. It's vital for centering the rear end after lowering...

Upgrade your rear lower control arms with UMI's heavy-duty tubular set up. Constructed of DOM mild steel tubing, CNC machined, and fully TIG welded for maximum durability. These control arms come...

Upgrade your rear lower control arms with UMI's heavy-duty tubular set up. Constructed of DOM mild steel tubing, CNC machined, and fully TIG welded for maximum durability. These control arms come...

Upgrade your rear lower control arms with UMI's heavy-duty tubular setup, now available in Chromoly. Constructed from 1.250" x 0.095" 4130 Chromoly steel, these control arms provide increased...