UMI Performance

The P/N 0058 heavy duty engine mounts for GM G-Body cars takes the place of the heavy factory clamshell mount. It places the Small Block Chevy in...

This 100% jig built, bolt-in brace ties the rear upper shock mounts together to share the load and stiffen the chassis. Strong 1-1/4” tubing is MIG...

UMI’s bolt-in rear coilover bracket kit is a complete mounting solution for your Quick Performance axle in your 1978-1988 GM G-Body. This race-prov...

UMI’s 35mm (1-⅜”) solid front sway bar is designed to reduce body roll and increase responsiveness and cornering capabilities of the 3rd Gen. UMI’s...

UMI's race-inspired 1982-2003 F-Body splined rear sway bar features cutting-edge design and performance. Offering true and consistent rates ideal f...

UMI's race-inspired 1982-2003 F-Body splined rear sway bar features cutting-edge design and performance. Offering true and consistent rates ideal f...

Our tubular on-car adjustable panhard bar replaces the flimsy stock stamped panhard bar while adding increased strength and rear end adjustment. Th...

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 w...

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

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 make...

UMI's carrier bearing relocation kit adjusts driveline angle to reduce or eliminate vibration caused by lowering the 2015+ Ford F-150. Shim and cla...

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 ensu...

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

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 ...

UMI's rear lowering kit for 2015+ F-150 is the best solution to achieve that perfect stance and turn your truck into a high performance muscle truc...

Optional bolt kit includes (4) high grade bolts, nuts and washers. Recommended when original hardware is no longer useable.This Part Fits: Year Ma...

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 ...

UMI's 656063 lowering kit gives your truck a sleek, aggressive lowered stance with performance to match. UMI brackets, leaf spring shackles, flip k...

UMI's complete lowering kit gives your truck a sleek, aggressive lowered stance with performance to match. UMI brackets, leaf spring shackles, flip...

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 a...

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 adjustabili...

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 adjustabili...

This 100% jig built, bolt-in brace ties the rear upper shock mounts together to share the load and stiffen the chassis. Strong 1-1/4” tubing is MIG...

This 100% jig built, bolt-in brace ties the rear upper shock mounts together to share the load and stiffen the chassis. Strong 1-1/4” tubing is MIG...

Trailing arm mount braces are designed to reinforce the upper and lower front control arm mounts on your classic A-Body. The more power your ride m...

Trailing arm mount braces are designed to reinforce the upper and lower front control arm mounts on your classic A-Body. The more power your ride m...

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 o...

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 borde...

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 borde...

UMI’s P/N 4008 allows the installation of LS power into your 1968-1972 GM A-Body. UMI’s LS mounts place the LS engine in the factory SBC/BBC loca...

UMI’s P/N 4008 allows the installation of LS power into your 1968-1972 GM A-Body. UMI’s LS mounts place the LS engine in the factory SBC/BBC loca...

Replacement torque arm bushing for factory style mount on 1982-2002 GM F-Body.Installation InstructionsThis Part Fits: Year Make Model Submodel ...

UMI’s Grade 8 bolt upgrade kit is recommended when installing an aftermarket torque arm on the factory rear end and all similar rear housings that ...

UMI’s 2nd Gen F-Body lowering springs are wound from 5160 CrSi premium wire and feature a linear 600 lb/in rate. UMI’s front springs are stiffer th...

UMI's polyurethane shackle kit works with UMI P/N 2620 rear leaf springs as well as other stock location leaf springs. The kit is a great choice fo...

UMI’s rear leaf spring is a high perfomance solution to lowering the rear of your 1970-1981 Camaro or Firebird. These springs feature high quality ...

The rear toe rods play a crucial role in controlling the camber alignment of the rear end, preventing the tire from moving inward or outward during...

This rear suspension kit from UMI Performance includes a set of rear trailing arms and rear toe rod arms. Together these items help to maintain c...