UMI Performance

Don't reuse old rusty bolts when installing aftermarket A-Arms when they can easily be replaced 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 is the go-to bar for today’s modern handling muscle car. This bar reduces body roll and helps plant the front tires without ruining ride quality and...

Don't reuse your old rusty bolts when installing aftermarket control arms when you can replace them with new one. Our kit includes all new hardware for installing both upper and lower rear control...

Don't reuse your old rusty bolts when installing aftermarket control arms when you can replace them with new ones. Our kit includes all new hardware for installing either upper or lower rear control...

UMI Performance 65-67 GM A-Body Rear Suspension Kit - BlackThis Part...

This is a complete rear suspension kit and includes all items needed to rebuild the rear suspension on your 1964-1972 A-Body. This kit includes tubular lower control arms, tubular upper controls,...

This beefy 1” solid rear sway bar is designed to reduce body roll, understeer and increase cornering capabilities resulting in a more balanced suspension. Our sway bar is manufactured from 1”...

UMI’s high durometer polyurethane bushings replace the factory rubber rear end housing bushings. After many years of weather and abuse the factory rubber bushings tend to dry rot, crack and harden...

UMI’s high durometer polyurethane bushings replace the factory rubber rear end housing bushings. After many years of weather and abuse the factory rubber bushings tend to dry rot, crack and harden...

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 Sprint Cup chassis engineer, these springs are the ...

UMI’s adjustable rear upper control arms are a bulletproof addition to your street car. UMI’s upper control arms are suitable for street, strip or corner carving. The greaseable polyurethane...

Trailing arm mount braces are designed to reinforce the upper and lower front control arm mounts on your classic A-Body. The more power your ride makes the better chance of bending or breaking the...