UMI Performance

This new replacement rear control arm mount replaces the stock control arm mount that attaches the rear upper control arm to the vehicle chassis. This item works excellent when the factory mount is...

This new replacement rear control arm mount replaces the stock control arm mount that attaches the rear upper control arm to the vehicle chassis. This item works excellent when the factory mount is...

This new replacement rear control arm mount replaces the stock control arm mount that attaches the rear upper control arm to the vehicle chassis. This item works excellent when the factory mount is...

This new replacement rear control arm mount replaces the stock control arm mount that attaches the rear upper control arm to the vehicle chassis. This item works excellent when the factory mount is...

UMI Performance offers one of the only on-car adjustable control arms for the rear of the GM B-Body vehicle. This rear upper control arm for the 67-70 GM B-Body is an excellent solution when...

UMI Performance offers one of the only on-car adjustable control arms for the rear of the GM B-Body vehicle. This rear upper control arm for the 67-70 GM B-Body is an excellent solution when...

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...

This new replacement rear control arm mount replaces the stock control arm mount that attaches the rear upper control arm to the vehicle chassis. This item works excellent when the factory mount is...

This new replacement rear control arm mount replaces the stock control arm mount that attaches the rear upper control arm to the vehicle chassis. This item works excellent when the factory mount is...

This tubular set-up quickly and easily replaces the stock panhard bar on the 65-70 GM B-Body vehicle adding increased rear end stability and rear end adjustment. This adjustable item allows on-car...

This tubular set-up quickly and easily replaces the stock panhard bar on the 65-70 GM B-Body vehicle adding increased rear end stability and rear end adjustment. This adjustable item allows on-car...

This tubular set-up quickly and easily replaces the stock panhard bar on the 65-70 GM B-Body vehicle. After more then 35 years of abuse the stock panhard bar is usually rusted and corroded with...

This tubular set-up quickly and easily replaces the stock panhard bar on the 65-70 GM B-Body vehicle. After more then 35 years of abuse the stock panhard bar is usually rusted and corroded with...

UMI Performance offers one of the only on-car adjustable control arms for the rear of the GM B-Body vehicle. This rear upper control arm for the 65-66 GM B-Body is an excellent solution when...

UMI Performance offers one of the only on-car adjustable control arms for the rear of the GM B-Body vehicle. This rear upper control arm for the 65-66 GM B-Body is an excellent solution when...