Products

UMI’s Ultimate rear upper trailing arms for the Ford Mustang feature on-car adjustability combined with race quality rod ends. These adjustable a...

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...

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...

UMI Performance's short shifter handle is designed to give you the feel of a short shifter for a fraction of the price. Places your hand in the cor...

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 ...

Replace the rubber factory rear end housing bushings with a polyurethane setup from UMI. Over time, rubber bushings dry rot, crack and harden, decr...

Replace the rubber factory rear end housing bushings with a polyurethane setup from UMI. Over time, rubber bushings dry rot, crack and harden, decr...

UMI’s rear upper control arms are a direct factory bolt in replacements designed to add strength and traction improvements. UMI’s Rear control ...

UMI’s rear upper control arms are a direct factory bolt in replacements designed to add strength and traction improvements. UMI’s Rear control ...

The Ford Mustang is well-known for its ability to produce high amounts of low end torque and incredible 60-foot times. It is also known for its wea...

Viking’s specially valved double adjustable rear shocks feature 19 independently adjustable compression and 22​ rebound settings for a total of...

UMI Performance lower control arms our designed to replace your weak, rusted, factory-stamped arms, adding strength, rigidity and bushing improveme...

UMI Performance lower control arms our designed to replace your weak, rusted, factory-stamped arms, adding strength, rigidity and bushing improveme...

Replace your weak factory stamped lower control arms with UMI's heavy duty tubular adjustable setup. These direct bolt-on replacements minimize whe...

Replace your weak factory stamped lower control arms with UMI's heavy duty tubular adjustable setup. These direct bolt-on replacements minimize whe...

This complete kit includes (1) set of UMI Performance adjustable lower control arms and (1) set of fixed length upper control arms. These direct bo...

This complete kit includes (1) set of UMI Performance adjustable lower control arms and (1) set of fixed length upper control arms. These direct bo...

This complete kit includes (1) set of UMI Performance adjustable lower control arms and (1) set of fixed length upper control arms. These direct bo...

This complete kit includes (1) set of UMI Performance adjustable lower control arms and (1) set of fixed length upper control arms. These direct bo...

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 ...

USA Standard Gear Ring Gear & Installation Kits are an easy way to re-gear a differential with one simple part number. The kits package a ring ...

USA Standard Gear spider gear kits feature high quality materials and superior manufacturing techniques to produce a longer lasting spider gear set...

USA Standard Gear spider gear kits feature high quality materials and superior manufacturing techniques to produce a longer lasting spider gear set...

USA Standard Gear spider gear kits feature high quality materials and superior manufacturing techniques to produce a longer lasting spider gear set...