UMI Performance

Don't reuse old rusty bolts when installing aftermarket control arms when you can replace them with new ones. Our kit includes new high grade hardware for installing your new lower A-Arms. Kit...

Don't reuse old rusty bolts when installing aftermarket control arms when you can replace them with new ones. Our kit includes new high grade hardware for installing your new upper and lower A-Arms...

Don't reuse old rusty bolts when installing aftermarket control arms when you can replace them with new ones. Our kit includes new high grade hardware for installing your new upper and lower A-Arms...

UMI’s 1-¼" (32mm) solid front sway bar greatly improves the cornering capability of the S10/S15. This bar reduces body roll and helps plant the front tires without ruining ride quality and comfort...

UMI’s 1-¼" (32mm) solid front sway bar greatly improves the cornering capability of the S10/S15. This bar reduces body roll and helps plant the front tires without ruining ride quality and comfort...

This NHRA legal drive shaft safety loop is a bolt-in application for the 82-87 GM G-Body. Bolts to existing floor pan holes with no welding required! This is a must for tracks that require a safety...

This NHRA legal drive shaft safety loop is a bolt-in application for the 82-87 GM G-Body. Bolts to existing floor pan holes with no welding required! This is a must for tracks that require a safety...

UMI lower A-Arms are fabricated from USA DOM tubing with CNC notched tube ends for a precision fit. They are jig built to maintain accuracy and bolt on correctly every time. All critical areas are ...

UMI lower A-Arms are fabricated from USA DOM tubing with CNC notched tube ends for a precision fit. They are jig built to maintain accuracy and bolt on correctly every time. All critical areas are ...

Minimize chassis flex and increase performance capabilities on your 1982-1992 GM F-Body with boxed style weld-in subframe connectors from UMI Performance. Subframe connectors are a must chassis...

The UMI Performance weight jack kit for 1982-1992 GM F-Body is designed to give your classic muscle car a firm ride geared toward auto-x and road race with occasional street use. This race kit is...

2215AS - 1982-1992 GM F-Body Tunnel Mount T/Arm Mount w/ Loop – Fits TH350 & T5This Part...

UMI’s 35mm (1-⅜”) solid front sway bar is designed to reduce body roll and increase responsiveness and cornering capabilities of the 3rd Gen. UMI’s front sway bar is 22% more rigid than the...

Installation Note: Relocation brackets eliminate the offset factory sway bar clamshell and now use off the shelf sway bar bushings and mounts. Factory sway bar mounts will not work with new sway bar...

UMI’s competition 3rd Gen F-Body front weight jack system replaces the factory spring with a tough, adjustable weight jack bucket and a custom wound ultra-premium performance spring. This kit gives...