UMI Performance

UMI’s 3rd and 4th Generation GM F-Body competition panhard bar lowering and leveling kit is designed to increase over-the-axle exhaust pipe clearance and also lower and level the Panhard bar. This...

UMI’s 3rd and 4th Generation GM F-Body competition panhard bar lowering and leveling kit is designed to increase over-the-axle exhaust pipe clearance and also lower and level the Panhard bar. This...

UMI’s performance lowering springs are built to lower the 4th Gen approx. 1.25” - 1.5” (1.25” front and 1.5” rear designed to level the car) and increase the spring rates for a crisp handling...

UMI’s 2060-1 bump steer kit allows adjustment of the outer tie rod height which in turn can help reduce or eliminate toe change during wheel travel. This kit includes a heavy duty 5/8" bolt and...

UMI’s 1993-2002 GM F-Body bump steer kit allows adjustment of the outer tie rod height which in turn can help reduce or eliminate toe change during wheel travel. The kit includes a CrMo bump steer...

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 Delrin bushings for smooth bind...

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 Delrin bushings for smooth bind...

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...