UMI Performance

UMI's leaf spring pin kit includes 4 custom extended length 4140 CrMo locating pins. These pins provide a precision way to center the leaf spring when using lowering systems or pinion angle shims...

UMI's front coilover kit for the Ford F-150 is designed to lower the front of your truck while improving performance and adding damping adjustability. This kit is proven on the street as well as the...

UMI's front coilover kit for the Ford F-150 is designed to lower the front of your truck while improving performance and adding damping adjustability. This kit is proven on the street as well as the...

UMI's F-150 front coilover bracket kit is designed to give the truck enthusiast a great mounting option for traditional 2-1/2" dia coilover shock and spring systems. UMI's full kits utilize Viking...

UMI's 656063 lowering kit gives your truck a sleek, aggressive lowered stance with performance to match. UMI brackets, leaf spring shackles, flip kit and coilover front springs are paired with...

Camber adjustments are easy and secure with our 6572 camber kit for the Ford F-150. The eccentric adjuster is held securely by the guide plate ensuring locked in camber settings. The 6572 kit is the...

2015+ Ford F-150 pinion shim kit dials in pinion angle on lowered trucks to reduce or eliminate lowering induced vibration. Lowering the F-150 makes it look great but proper driveline angle makes it...

Double adjustable Viking D220 shock complete with UMI machined spacers and proper hardware for installation on rear of 2015+ Ford F-150. Included UMI spacers make the Viking D220 bushing width proper...

UMI's reverse leveling kit is the ideal product to lower the rear of your F-150. Lowering shackles are popular for adding additional rear lowering adjustment or leveling a factory height truck. The...

Rear shock relocation kit fits 2015+ Ford F-150. Use on trucks that have the UMI rear flip kit installed. The relocation kit offers a 35% increase in shock effectiveness and improves ride comfort...

2015+ Ford F-150 transmission spacer improves driveline angle in lowered trucks. Use to reduce or eliminate lowering induced vibration. 1/4" thick spacer raises the transmission which corrects...

UMI Performance 1967 GM A-Body Lowering Kit 1in LoweringThis Part...

4140 Chromoly Hex Adjuster. 4-1/2″ Length, 1-3/4″ threads. No jam nuts included.

Lower control arm hardware kit includes new hardware for installing lower rear control arms in the 58-64 Chevrolet B-Body vehicles. Kit includes 5/8” grade 8 bolts, washers and lock nuts. Note:...

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 58-64 GM B-Body is an excellent solution when...