UMI Performance

UMI coilover specific lower A-arms are shipped fully assembled and ready for direct bolt in installation. Spring bucket delete saves weight. They feature greaseable polyurethane bushings, premium...

UMI coilover specific lower A-arms are shipped fully assembled and ready for direct bolt in installation. Spring bucket delete saves weight. They feature greaseable polyurethane bushings, premium...

UMI’s F-Body front coilover kit permits installation of a true 2-1/2” racing coilover spring and shock into your 1993-2002 GM F-Body. Factory style lower t-bar fits factory GM, UMI and most other...

UMI’s F-Body front coilover kit permits installation of a true 2-1/2” racing coilover spring and shock into your 1993-2002 GM F-Body. Factory style lower t-bar fits factory GM, UMI and most other...

UMI’s F-Body front coilover kit permits installation of a true 2-1/2” racing coilover spring and shock into your 1993-2002 GM F-Body. Factory style lower t-bar fits factory GM, UMI and most other...

UMI Performance, Inc is proud to introduce our P/N 2047 GM F-Body bolt-in rear shock relocator kit. This kit rotates the factory style rear shock to reduce the common problem of lower shock mount...

UMI offers the tightest fitting convertible 3-Point subframe connector on the market. The USA manufactured subframe connector by UMI is designed to tuck tight against the vehicle floor preventing...

UMI offers the tightest fitting convertible 3-Point subframe connector on the market. The USA manufactured subframe connector by UMI is designed to tuck tight against the vehicle floor preventing...

UMI offers the tightest fitting convertible 3-Point subframe connector on the market. The USA manufactured subframe connector by UMI is designed to tuck tight against the vehicle floor preventing...

UMI offers the tightest fitting convertible 3-Point subframe connector on the market. The USA manufactured subframe connector by UMI is designed to tuck tight against the vehicle floor preventing...

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...

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...

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...