UMI Performance

UMI Performance extended length upper control arms are designed to properly center the rear wheels in the vehicles wheel well on the Impala SS. These control arms are extended 5/8” but also feature...

UMI Performance extended length upper control arms are designed to properly center the rear wheels in the vehicles wheel well on the Impala SS. These control arms are extended 5/8” but also feature...

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’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...

When looking to mount a coilover to the front of your 4th generation Camaro or Firebird, look no further than UMI’s new #2335 fabricated adjustable coilover a-arm mounts. The UMI upper a-arm mount is...

The UMI adjustable upper a-arm mount is a direct bolt in replacement of the original GM mount with some key improvements. The parts feature a unique fabricated design that allows for the mounts to be...

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...