Products

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

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 ...

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 ...

Strip Grip Kit by UMI Performance includes everything you need to safely lower your track 60-foot times and increase track consistency. Drive you t...

Strip Grip Kit by UMI Performance includes everything you need to safely lower your track 60-foot times and increase track consistency. Drive you t...

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 add...

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 add...

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...

USA Standard Axle For 83-92 2Wd & 4Wd Ford Ranger / Left Hand SideThis Part Fits: Year Make Model Submodel 1989-1997 Ford Aerostar Base 19...

USA Standard Axle For Ford Mustang / Thunderbird & CougarThis Part Fits: Year Make Model Submodel 1979-1981 Ford Mustang Base 1981 Ford Mu...

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 Master Overhaul Kits provide all of the necessary parts for a differential overhaul in one simple part number. Save time and mone...

USA Standard Gear ring and pinion sets are designed to exceed OEM specification. All sets receive rigorous in-house quality evaluation to ensure pr...

USA Standard Gear ring and pinion sets are designed to exceed OEM specification. All sets receive rigorous in-house quality evaluation to ensure pr...

USA Standard Gear ring and pinion sets are designed to exceed OEM specification. All sets receive rigorous in-house quality evaluation to ensure pr...