Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster
Availability
UMI Performance Parts and Accessories
UMI Performance Tubular K-Members
UMI Performance tubular K-members instantly remove 25 lbs. from the front of your vehicle, while maintaining strength for streetability and daily use. UMI Performance tubular K-members have been designed to handle everything from drag racing to daily driving and even autocross. Their dual tube center section adds increased strength over the competitors' designs, making them far superior and able to handle everyday stress and abuse. Additional front-end adjustment can also be achieved with these K-members. The lower A-arm slots feature a 1/2 in. adjustment built in and will work with the stock and any aftermarket A-arm setup. The front and rear A-arm slots also feature additional bracing to withstand hard side loads and extreme pressure. These tubular K-members also feature integrated motor mounts, eliminating the stock cast iron mounts for maximum weight savings. Additional features include: * Main center tube constructed from 1.500 in. x 0.120 in. seamless steel tubing * Additional cross braces use 1.250 in. x 0.120 in. seamless steel tubing * TIG and MIG-welded construction for superior strength * Front and rear A-arm mounts CNC-machined and fabricated from 0.188 in. thick steel * Rear A-arm mounts gusseted to withstand extreme side loads and pressure * Dual tube center section adds increased strength over any competitor's design * All mounting plates are CNC-machined to ensure hole-to-hole accuracy * Factory locator pins included for easy installation and exact fit * Completely fixture-welded to ensure factory fitment with no grinding or cutting
( 17 )
$1,566.96
UMI Performance Bolt-In Viking Rear Coilover Kits
UMI Performance bolt-in Viking rear coilover kits allow full ride height, spring rate, and damping adjustability. The double shear upper mount is a direct bolt-in and holds a true 2.5 in. diameter coilover spring. The FEA designed lower bracket bolts in using the standard shock mounting hole as well as an additional reinforcement hole. Drilling one 3/8 in. hole per side is required to complete installation. The coilover kits utilize Viking shocks that are 19-way adjustable in both compression and rebound to ensure the perfect setting for every application. Viking shocks are fully rebuildable. The 2.5 in. diameter coilover springs are available in 14 in. long, 110 lb. spring rate for drag use; 14 in. long, 125 lb. spring rate for street use; and 12 in. long, 150 lb. spring rate for autocross and road race applications. The coilover kits have been tested with 1.5 in. diameter UMI trailing arms, as well as UMI's 22mm sway bar and 32mm drag anti-roll bar. Fitment with other brand sway bars and larger diameter control arms is not guaranteed. Please contact UMI for additional information regarding fitment. Key features: * Brackets manufactured entirely from 3/16 in. mild steel * Laser-cut brackets for consistency and a precise fit * TIG-welded for superior strength and clean looks * Powdercoated brackets for a long lasting finish * Viking double-adjustable shocks offer 19 compression and 19 rebound adjustments * 3 spring rate options, depending upon application * Bolt-in design * No welding required * Spacers included for use with control arm relocation brackets
( 10 )
$1,805.99
UMI Performance Complete Front End Kit
UMI Performance complete front-end kits offer improved handling and great value. These non-adjustable upper and lower A-arm kits not only save you dollars, but weight on your front-end, while adding strength, better ride quality, and reduced bushing deflection. Built from strong DOM tubing, the fully assembled and ready-to-install A-arms have CNC-machined upper and lower ball joint holders and 4140 chromoly cross shafts. UMI upper A-arms feature greaseable Delrin® bushings, and the lower A-arms are supplied with new lower ball joints installed, polyurethane bushings, and sway bar mounting provisions. These UMI kits are designed to work with factory springs and lowering springs mounted in the factory location. The A-arms are given a durable and brilliant powdercoat finish. Order the complete front-end kit designed to fit your vehicle.
( 39 )
$1,619.99
UMI Performance Front Adjustable Upper and Lower A-Arm Kits
UMI Performance complete front adjustable upper and lower A-arms were built with this in mind--to offer the strongest manufactured item on the market, while adding great weight savings over the stock piece. UMI Performance complete front adjustable A-arms are built using strong DOM steel tubing, 0.188 in. CNC-machined shock mounts, Moog Problem Solver greasable ball joints, and QA1 XM Endura series rod ends. A-arms can be installed on the stock K-member or any aftermarket K-member. They are designed to reduce front-end weight, as well as "unsprung" weight, providing improved handling performance to the front of your vehicle. Additional features include: * 1.250 in. x 0.120 in. mild steel tubing * TIG-welded 4130 chromoly threaded tube adapters * 3/4 in. hard chrome plated PTFE/KEVLAR® self-lubricating race rod ends * CNC-machined ball joint cups * Grade 8 shock mounting hardware included * Durable powdercoated finish * Use OEM hardware
( 1 )
$1,529.99
UMI Performance Stage 3 Front Suspension Packages
UMI Performance Stage 3 front suspension packages are direct bolt-in replacements—no welding is needed. These kits will give your vehicle a sturdy understructure, while providing weight reduction, comfort, and performance. The dual tube K-member and tubular upper and lower race A-arms and rod ends can take any abuse you can dish out. Additional features: * Adjustable upper and lower control arms for precise alignment control * Premium upper and lower ball joints installed * 33 lbs. of front-end weight savings * Chromoly A-arms save an additional 1.5 lbs. * Work with factory steering racks * Grade 10.9 hardware with Nyloc nuts
Not Yet Reviewed
$1,929.99
UMI Performance 1998-2002 F-Body LS1 Front End Kits (Street, Stage 2)
UMI Performance 1998-2002 F-Body LS1 Stage 2 front-end kits provide a solid foundation for your street car, making it ideal for drag strip use. They effectively combine weight reduction and strength with performance and comfort. The dual tube K-member is known for its durability, handling rough landings and street abuse while also protecting the oil pan. The lower arms feature poly bushings to absorb road noise, and the non-adjustable uppers guide the suspension on greaseable poly bushings. The A-arms are equipped with premium ball joints and help save an additional 8 lbs. of weight. UMI's K-member and A-arms are constructed from strong DOM tubing, precision-bent, CNC-notched, and welded in a jig for a robust base. Each kit is designed to work with factory motor mounts, polyurethane motor mounts, or UMI's solid billet aluminum motor mounts. They offer a direct bolt-in replacement, reducing front-end weight while maintaining street comfort and enhancing performance. UMI's Stage 2 kit includes: * Tubular dual tube K-member * Tubular street lower A-arms * Tubular street upper A-arms with polyurethane bushings * Grade 10.9 hardware with Ny-lock nuts Product features: * Heavy-duty dual tube construction K-member * Tubular upper and lower A-arms with greaseable polyurethane bushings * Premium upper and lower ball joints installed * 33 lbs. of front-end weight savings * Chromoly A-arms save an additional 1 1/2 lbs. * Compatible with factory steering rack * Includes new grade 10.9 A-arm mounting hardware * Direct bolt-in replacement, no welding required
Not Yet Reviewed
$1,789.99
UMI Performance Street Performance Control Arms
UMI Performance offers Street performance control arms for a wide range of vehicles—including many Chevrolet and GMC trucks from the 1970s and '80s. These replacement tubular control arms feature heavy-duty cross shafts, Delrin® bushings, and a host of other features. Product details: * Power Tour and daily driver proven * Accepts UMI lowering spring, factory springs and most other aftermarket springs * Heavy-duty tubular construction, yet still strong and light * Delrin® bushings ensure smooth suspension action and precise steering * Adjustable steering stops to fine-tune turning radius * Direct bolt-in * Increased caster improves steering feel and reduces wandering
( 1 )
$1,568.99
—
$1,979.99
UMI Performance Corner Max Kits
UMI's Corner Max front-end kits are a comprehensive system with UMI's best corner carving parts. They combine geometry corrected A-arms with tall ball joints, higher rate springs, UMI rebound adjustable monotube shocks, heavy-duty sway bar and a bump steer kit. These Corner Max kits are built to make the stock GM clip work as well as it possibly can with a true bolt-on kit. Additional Corner Max kit features: * Exceptional handling at 0-2 in. lowering * Designed to work with factory spindles * Up to 10 degrees static caster without moving the spindle pin * Up to 1.2 degrees per inch camber gain * 1 1/2 in. tall lower and 0.9 in. tall upper ball joints * Easily change shocks and springs at the track with UMI's unique quick-change system * 850 lb./in. race-proven spring rates for exceptional handling * UMI rebound adjustable monotube shock with road race valving, 40 clicks of adjustment * Shocks have easy access adjustment in engine bay area for quick changes at the track * 1 5/16 in. solid sway bar with swivel end links to balance kit properly * Bump steer kit for fine tuning * Thrust bearings and adjusting wrench included for easy height changes * Raced and tested on UMI's 1972 LeMans test car
( 2 )
$1,979.99
UMI Performance Handling Kits
As a manufacturer of industry-leading suspension components, UMI Performance offers handling kits for GM and Ford muscle cars. Whether for daily driving, corner carving, or at the local autocross, these handling packages come with all the necessary components needed to transform your vehicle for improved handling, ride quality, and stance on a budget. Car building can be tough. Choosing a handling kit doesn't have to be when you use one of these UMI performance shock/spring/sway bar kits. Additional features: * Linear spring rates provide a firm yet comfortable ride with excellent handling * Consistent spring rates and only the best materials (premium CrSi wire) ensure perfect stance) * Koni STR.T dampers control body movement and provide improved performance * 35mm front and 22mm rear sway bars improve cornering and are the classic combination for the 4th Gen platform * Race-proven performance
( 1 )
$1,549.99
—
$1,955.99
UMI Performance Stage 2 Handling Kits
UMI Performance Stage 2 handling kits will make any classic cruiser feel like a modern day muscle car! They are designed to bring you superior ride quality and improved handling, while giving you the lowered, aggressive stance you're looking for. These kits include everything you need to rebuild the suspension on your classic ride, such as upper and lower front A-arms, heavy-duty UMI sway bars with new end links, greaseable bushings, Bilstein HD shocks, UMI lowering springs, rear tubular upper and lower control arms, replacement rear end housing bushings, and heavy-duty tubular frame braces. UMI Performance Stage 2 handling kits are made of superior-quality materials to ensure long-lasting durability and performance. These UMI Performance Stage 2 handling kits are perfect for the weekend warrior looking to go for a back road cruise, perhaps hit the drag strip, or even an Auto-x.
( 4 )
$1,928.99
UMI Performance 1964-72 GM A-Body Rear Coilover Kits
UMI Performance 1964-72 GM A-Body rear coilover kits allow for ride height adjustments ranging from a -2 in. to -3 in. drop, along with spring rate and damping modifications. Each kit includes a reinforced upper mount that bolts directly in place (requiring one additional hole to be drilled) and accommodates a true 2 1/2 in. racing coilover with a double-shear mount. It also features FEA-designed reinforced lower brackets that bolt directly over the stock rear lower control arm mounts and utilize the existing lower shock hole(s). The 2-hole trailing arm height adjustment enables fine-tuning of the instant center location for drag launches or autocross/road race rear steer tuning. Viking Performance shocks offer 19-way adjustments for both compression and rebound. The 2 1/2 in. coilover springs come in various rates suitable for drag use, street driving, and autocross/road racing. Please note that these kits are intended for a -2 to -3 in. Pro-Tour style lowering and are compatible only with factory GM axle housings. They may not fit aftermarket housings such as Quick Performance, Currie, or Moser. Optional add-ons like thrust bearings and a spanner wrench are recommended for easier adjustments. A shock tower brace for additional chassis reinforcement is also available separately. The kits are meant solely for lowering purposes, and welding may be necessary for drag use on vehicles running 10.50 or faster. Product features: * Ride height adjustment from -2 in. to -3 in. drop * Spring rate and damping adjustments * Trailing arm adjustment for fine-tuning of instant center * Reinforced upper mount with direct bolt-in installation * Holds a true 2 1/2 in. racing coilover with double-shear mount * FEA designed reinforced lower brackets bolt directly over stock rear lower control arm mounts * 2-hole trailing arm height adjustment for fine-tuning of instant center location * Viking Performance shock with 19-way adjustable compression and rebound * 2 1/2 in. coilover springs available in different rates * 100 percent designed, manufactured, and raced out of Philipsburg, PA * 3 spring ratings available * Viking Warrior shocks * 19 compression and rebound adjustments
Not Yet Reviewed
$1,805.99
UMI Performance 1993-1997 F-Body LT1 Front End Kits (Street, Stage 2)
UMI Performance 1993-97 F-Body LT1 Stage 2 front-end kits provide a strong foundation for your street car designed for drag strip use. They offer a balanced combination of weight reduction, strength, performance, and comfort. Known as the strongest in their class, the dual tube K-member can handle wheel stand landings and street abuse while minimizing weight and protecting the oil pan. The lower arms feature poly bushings in the straight strut portion to absorb road noise, while the non-adjustable uppers guide the suspension using greaseable poly bushings. Both upper and lower A-arms are assembled with premium ball joints, saving an additional 8 lbs. UMI's K-member and A-arms are constructed from durable DOM tubing, which is precisely bent, CNC-notched, and welded in a jig to create a solid base. The included K-member is compatible with factory motor mounts, polyurethane motor mounts, or UMI's popular solid billet aluminum motor mounts. Stage 2 kits are a direct bolt-in replacement that removes front-end weight while maintaining street comfort and enhancing performance. UMI's Stage 2 includes: * Tubular dual tube K-member * Tubular street lower A-arms * Tubular street upper A-arms with polyurethane bushings * Grade 10.9 hardware with Ny-lock nuts Product features: * Heavy-duty K-member with dual tube construction * Tubular upper and lower A-arms with greaseable polyurethane bushings * Premium upper and lower ball joints installed * 33 lbs. of front-end weight savings * Chromoly A-arms save an additional 1 1/2 lbs. * Works with factory steering rack * Includes new grade 10.9 A-arm mounting hardware * Direct bolt-in replacement, no welding
Not Yet Reviewed
$1,789.99
UMI Performance 1993-1997 F-Body LT1 Front End Kits (Drag, Stage 3)
UMI Performance 1993-97 F-Body LT1 Stage 3 front-end kits are designed for serious performance enthusiasts. The rod end upper and lower A-arms reduce friction and unsprung weight, enabling quick weight transfer. The dual tube K-member is the strongest in its class, able to withstand wheel stand landings and street abuse while also protecting the oil pan. Made from high-quality DOM tubing, the K-member and A-arms are precision-bent, CNC-notched, and welded in a jig for a solid base. PTFE-lined, race-quality rod ends and premium ball joints ensure durability and performance. The adjustable A-arms offer strength, weight reduction, reduced friction, and alignment adjustments. These bolt-in systems allow for easy caster adjustments for straight-line stability. The Stage 3 kit is the perfect starting point for achieving top performance in drag F-Body cars, often used in single-digit vehicles. UMI's Stage 3 Includes: * Tubular dual tube K-member * Tubular adjustable race lower A-arms with rod ends * Tubular adjustable race upper A-arms with rod ends * Grade 10.9 hardware with Ny-lock nuts Product features: * Heavy-duty K-member with dual tube construction * Tubular upper and lower A-arms with race-quality rod ends * Wide flanged aluminum step bushings assembled in A-arms * Premium upper and lower ball joints installed * 33 lbs. of front-end weight savings * Chromoly A-arms save an additional 1 1/2 lbs. * Works with factory steering rack * Direct bolt-in replacement, no welding
Not Yet Reviewed
$1,929.99
UMI Performance Viking Complete Coilover Kits
UMI Performance Viking complete coilover kits are now available for a wide range of GM G-Body cars and trucks from the 1970s and '80s. Selection is made easy! UMI has combined its most popular front and rear kits into one convenient package suitable for lowering your vehicle up to 2 in. The Viking hybrid front coilover kit (with 450 lbs.-in. spring rate), combined with UMI's race-proven rear bracket system (125 lbs.-in. spring rate) covers street, strip, and handling applications with ease. Add thrust bearings and spanner wrench to complete your purchase. Kits are available with a standard or relocation rear bracket.
Not Yet Reviewed
$1,699.99
