UMI Performance

Rear control arms are one of the most important suspension modifications that can be done to your GM vehicle. Stock control arms are on the borderline of junk, bushing deflection and rusting weak...

This kit includes (1) set of our tubular single adjustable lower control arms and (1) set of our on-car adjustable upper control arms, "Ultimate Arms". Both items are direct replacements of the...

This kit includes (1) set of our tubular single adjustable lower control arms and (1) set of our on-car adjustable upper control arms, "Ultimate Arms". Both items are direct replacements of the...

This kit includes (1) set of our tubular single adjustable lower control arms and (1) set of our on-car adjustable upper control arms, "Ultimate Arms". Both items are direct replacements of the OEM...

This kit includes (1) set of our tubular single adjustable lower control arms and (1) set of our on-car adjustable upper control arms, "Ultimate Arms". Both items are direct replacements of the OEM...

UMI Performance single adjustable lower control arms feature an Energy Suspension polyurethane bushing set-up on one end and a QA1 spherical rod end on the other. This type of set-up allows rear...

Wheel hop or traction issues? We have the solution! Optimize your vehicle's instant center and improve forward traction by lowering the rear of the lower control arm 2", 2-3/4", or 3-1/4". These...

Wheel hop or traction issues? We have the solution! Optimize your vehicle's instant center and improve forward traction by lowering the rear of the lower control arm 2", 2-3/4", or 3-1/4". These...

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

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 lower A-Arms. Kit...

Stock trailing arms work fine for every day driving but when hard cornering and pressure is applied they are sure to add inconsistent handling. Our tubular trailing arms are designed to out...

Stock trailing arms work fine for every day driving but when hard cornering and pressure is applied they are sure to add inconsistent handling. Our tubular trailing arms are designed to out...

Improve handling and reduce body roll with UMI's 1965-1970 GM B-Body front sway bar. Street performance friendly 1-1/8" diameter bar controls body roll better than factory bars. Includes greaseable...

Improve handling and reduce body roll with UMI's 1965-1970 GM B-Body front sway bar. Street performance friendly 1-1/8" diameter bar controls body roll better than factory bars. Includes greaseable...