Products

UMI Performance 78-88 GM G-Body 82-03 S10/S15 Front Lower A-arms Coilover OnlyInstallation InstructionsThis Part Fits: Year Make Model Submodel ...

UMI Performance 78-88 GM G-Body 82-03 S10/S15 Front Lower A-arms Coilover OnlyInstallation InstructionsThis Part Fits: Year Make Model Submodel ...

Tremendous front grip and a host of features can be yours with UMI’s 305756-3 kit. This a-arm kit enables 10 degrees caster while maintaining sta...

Tremendous front grip and a host of features can be yours with UMI’s 305756-3 kit. This a-arm kit enables 10 degrees caster while maintaining sta...

UMI’s bolt-in rear coilover kit allows full ride height, spring rate and damping adjustability for your 1978-1988 GM G-Body. The upper mount rein...

The UMI P/N 3046 brake conversion bracket is designed to mount 1997-2013 C5 or C6 front calipers and rotors to the 1978-1988 GM G-Body factory spin...

UMI’s 3047 hub and bearing kit supports the UMI P/N 3046 C5 conversion brackets with a high quality Made In USA performance aluminum hub and prem...

UMI’s C5/C6 conversion kit includes laser cut UMI conversion brackets, light weight USA made aluminum hubs and premium bearings. P/N 304647 inclu...

The P/N 0058 heavy duty engine mounts for GM G-Body cars takes the place of the heavy factory clamshell mount. It places the Small Block Chevy in...

A spring is a spring right? Wrong! When UMI chose to manufacture our own line of springs we went all out. Designed in conjunction with a leading ...

The UMI Performance, Inc. reinforcing front frame brace is used to stiffen the front frame horns and front crossmember area on the GM G-Body pla...

The UMI Performance, Inc. reinforcing front frame brace is used to stiffen the front frame horns and front crossmember area on the GM G-Body pla...

A spring is a spring right? Wrong! When UMI chose to manufacture our own line of springs we went all out. Designed in conjunction with a leading ...

Our high-quality ball joints are the great additional to your new upper A-Arms. Premium ball joints are made from high strength steel, feature a se...

UMI’s bolt-in rear coilover bracket kit is a complete mounting solution for your factory axle 1978-1988 GM G-Body. This race-proven lower bracket...

UMI’s bolt-in rear coilover bracket kit is a complete mounting solution for your factory axle 1978-1988 GM G-Body. This race-proven lower bracket...

This 100% jig built, bolt-in brace ties the rear upper shock mounts together to share the load and stiffen the chassis. Strong 1-1/4” tubing is ...

This 100% jig built, bolt-in brace ties the rear upper shock mounts together to share the load and stiffen the chassis. Strong 1-1/4” tubing is ...

UMI Performance 78-88 GM G-Body SBC Poly Engine Mount KitThis Part Fits: Year Make Model Submodel 1978-1987 Buick Regal Base 1988 Buick Regal ...

The P/N 0059 solid engine mount kit for GM G and F-Body cars places the Small Block Chevy in exact factory location and uses our popular P/N 0051...

UMI Performance solid sway bars are designed to reduce body roll, understeer and increase cornering capabilities resulting in a more balanced sus...

UMI Performance solid sway bars are designed to reduce body roll, understeer and increase cornering capabilities resulting in a more balanced sus...