UMI Performance

UMI's boxed lower control arms utilize our Roto-Joint technology for a bind free performance and quiet comfortable ride quality. The boxed control arms are fabricated from 0.120” wall thickness...

This one-piece NHRA legal drive shaft safety loop is a bolt-in application for the 78-96 GM B-body. This item bolts to existing floor pan holes in replace of the factory chassis brace and requires...

This one-piece NHRA legal drive shaft safety loop is a bolt-in application for the 78-96 GM B-body. This item bolts to existing floor pan holes in replace of the factory chassis brace and requires...

Eliminate wheel hop, increase traction and improve handling performance with an easy bolt on installation. UMI Performance’s adjustable upper controls feature on car adjustability and are...

Eliminate wheel hop, increase traction and improve handling performance with an easy bolt on installation. UMI Performance’s adjustable upper controls feature on car adjustability and are...

Add ride height and damping adjustments with a rear coilover kit on your 1978-1996 GM B-Body platform with UMI's bolt-in coilover conversion brackets with no welding required. When used with...

UMI 78-96 GM B-Body Trailing Arm Kit - RedThis Part Fits:YearMakeModelSubmodel1978-1981BuickLeSabreBase1985BuickLeSabreCollector's Edition1978,1982-1985BuickLeSabreCustom1985BuickLeSabreEstate...

UMI 78-96 GM B-Body Trailing Arm Kit - BlackThis Part Fits:YearMakeModelSubmodel1978-1981BuickLeSabreBase1985BuickLeSabreCollector's Edition1978,1982-1985BuickLeSabreCustom1985BuickLeSabreEstate...

UMI’s extended length trailing arms optimize wheelbase to improve the appearance of the wheel in the wheel opening. Heavy boxed tubing and high quality polyurethane greaseable bushings make our...

UMI 78-96 GM B-Body Trailing Arm Kit - RedThis Part Fits:YearMakeModelSubmodel1978-1981BuickLeSabreBase1985BuickLeSabreCollector's Edition1978,1982-1985BuickLeSabreCustom1985BuickLeSabreEstate...

78-96 GM B-Body Trailing Arm Kit - BlackThis Part Fits:YearMakeModelSubmodel1978-1981BuickLeSabreBase1985BuickLeSabreCollector's Edition1978,1982-1985BuickLeSabreCustom1985BuickLeSabreEstate...

UMI’s extended length trailing arms optimize wheelbase to improve the appearance of the wheel in the wheel opening. Heavy boxed tubing and high quality polyurethane greaseable bushings make our...

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...

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...

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...