UMI Performance

Viking’s specially valved double adjustable rear shocks feature 19 independently adjustable compression and 22​ rebound settings for a total of 418​ possible valving combinations. They are a...

If you have raced your Mustang aggressively, on slicks, or even on the street and especially if your car is a 5-speed, you may have cracked torque boxes. Fox bodies don't have the best chassis to...

If you have raced your Mustang aggressively, on slicks, or even on the street and especially if your car is a 5-speed, you may have cracked torque boxes. Fox bodies don't have the best chassis to...

Strip Grip Kit by UMI Performance includes everything you need to safely lower your track 60-foot times and increase track consistency. Drive you tires into the ground and be ready to launch hard...

Strip Grip Kit by UMI Performance includes everything you need to safely lower your track 60-foot times and increase track consistency. Drive you tires into the ground and be ready to launch hard...

You thought the notorious South Side Machine lift bars were done? Well, we brought them back! The UMI lift bars replace your stock control arms adding tremendous track gains while keeping your ride...

You thought the notorious South Side Machine lift bars were done? Well, we brought them back! The UMI lift bars replace your stock control arms adding tremendous track gains while keeping your ride...

UMI Performance lower control arms our designed to replace your weak, rusted, factory-stamped arms, adding strength, rigidity and bushing improvement. Built using strong DOM steel tubing these direct...

UMI Performance lower control arms our designed to replace your weak, rusted, factory-stamped arms, adding strength, rigidity and bushing improvement. Built using strong DOM steel tubing these direct...

Replace your weak factory stamped lower control arms with UMI's heavy duty tubular adjustable setup. These direct bolt-on replacements minimize wheel hop, improve cornering while lowering ET's and...

Replace your weak factory stamped lower control arms with UMI's heavy duty tubular adjustable setup. These direct bolt-on replacements minimize wheel hop, improve cornering while lowering ET's and...

This complete kit includes (1) set of UMI Performance adjustable lower control arms and (1) set of fixed length upper control arms. These direct bolt-on replacements are designed to minimize wheel...

This complete kit includes (1) set of UMI Performance adjustable lower control arms and (1) set of fixed length upper control arms. These direct bolt-on replacements are designed to minimize wheel...

This complete kit includes (1) set of UMI Performance adjustable lower control arms and (1) set of fixed length upper control arms. These direct bolt-on replacements are designed to minimize wheel...

This complete kit includes (1) set of UMI Performance adjustable lower control arms and (1) set of fixed length upper control arms. These direct bolt-on replacements are designed to minimize wheel...