Availability
UMI Performance sway bars are designed to reduce body roll and understeer and increase cornering capabilities, resulting in a more balanced suspension. The front sway bar is more rigid than the factory model and comes complete with new polyurethane end links and greaseable sway bar bushings. The rear sway bar is supplied with new Grade 8 mounting hardware and locknuts. UMI Performance sway bars are manufactured from 4140 chromoly steel—and formed as one piece to ensure maximum strength and performance. Each rear sway bar is heat-treated and heat-formed to maintain longer memory than a cold bent bar, while the front sway bar is CNC-bent for a precise and accurate fit every time. Order the kit recommended for your vehicle.
( 71 )
$411.80
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$579.99
UMI Performance transmission mounted torque arms eliminate unwanted traction problems and transfer your power to the wheels. UMI Performance transmission mounted torque arms bolt on directly in place of the factory unit using existing mounting holes and require no drilling or welding. These torque arms are designed to eliminate wheel hop under hard acceleration and reduce 60 ft. times instantly. UMI Performance transmission mounted torque arms are supplied with a low-deflection front bushing designed to replace the stock rubber bushing and bolt in the existing clamshell. The rear torque arm mount is constructed entirely of 0.375 in. thick, CNC-machined mild steel and is fully MIG-welded. These torque arms feature on-car adjustability for easy pinion angle adjustments using a 4140 heat-treated adjuster and 3/4 in. rod ends. Additional features include: * Constructed from 1.250 in. x 0.120 in. DOM seamless steel tubing * TIG-welded 4140 chromoly tube adapters * On-car adjuster built using 4140 chromoly steel and heat-treated for maximum strength * All mounting plates are CNC-machined to ensure hole-to-hole accuracy * Rear mounting plates use 0.375 in. thick mild steel and are designed to fit stock as well as 12-bolt and 9 in. rear-end housings * Rear mounts feature solid 3/4 in. rod ends and are attached using Grade 8 hardware * Durable powdercoated finish
( 19 )
$339.99
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$759.99
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 )
$704.44
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$729.99
UMI Performance front sway bars are designed to reduce body roll and under-steer and increase corning capabilities, resulting in a more balanced suspension. These front sway bars are more rigid than the factory originals and will bolt directly in place with no modifications. Each kit includes new Energy Suspension end links and greaseable sway bar bushings with new zinc plated clamshells. Nearly two dozen models are available for vehicles from 1963 and up; order the sway bar recommended for your application.
( 98 )
$259.99
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$329.99
UMI Performance 1993-2002 GM F-Body 3-pt. subframe connectors and torque arm kits provide an easy bolt-on drag race solution for GM F-bodies. These suspension connectors reinforce the chassis and prevent quarter-panel wrinkling from hard launches; a tunnel-mounted torque arm is the proven solution to reduce 60 ft. times. Shortened torque arm improves instant center location; as a result, forward traction is improved. These kits include removable and replaceable NHRA-approved driveshaft loop. Using both parts together dramatically reduces chassis flex. Product features: * 3-pt. subframe connectors reinforce chassis and prevent quarter-panel buckling * Shorter than stock, tunnel-mounted torque arm improves forward traction * Complete kit braces entire underside of car to reduce chassis flex * NHRA approved driveshaft loop (removable and replaceable) * Includes hardware
Not Yet Reviewed
$1,099.99
UMI Performance tubular subframe connectors are designed to tie the front and rear subframes together using bolt-in hardware supplied and they require no welding! Subframe connectors improve your car's handling ability, while reducing T-top squeaks, dash rattles, and quarter panel flexing. They are designed for autocross, road racing, and drag racing setups. Connecting the front and rear subframes together allows for better weight transfer, improved traction, and straighter launches. Their setup tucks tightly against the floor using strong tubing, causes no ground clearance loss, and cannot be seen from the side of the vehicle. Additional features include: * Constructed from chromoly or mild steel tubing * Front mounting points feature 0.250 in. thick mild mounting plates * Mounting plates feature precision CNC-machining to ensure tolerances * Tubular design allows for a tighter fit against the vehicle's undercarriage * Uses rear control arm mount for increased strength and ensures proper installation * MIG-welded construction * Durable powdercoated finish
( 39 )
$349.99
UMI Performance Rear control arms and panhard bars are direct bolt-on replacements designed to minimize wheel hop and improve cornering and track consistency, while lowering ETs. The control arms are constructed from a DOM mild steel tubing 1.375 in. o.d. x 0.095 in. wall and are completely CNC-machined and fully TIG-welded for outstanding strength. The adjustable models feature spherical rod ends that allow for "bind-free" operation, making them great upgrades for both your track and autocross-driven vehicles. The Roto-Joint equipped models are designed to work like a spherical rod end while maintaining the qualities of a softer bushing. Roto-Joints feature a 4140 chromoly ball that rotates in a Delrin race. Additional features include: * Control arms are 1.375 in. x 0.095 in. mild steel tubing * 4130 chromoly threaded tube adapter (adjustable models only) * 3/4 in. hard chrome plated PTFE/KEVLAR® self-lubricating race rod end * TIG-welded construction * CNC-machined 6061 aluminum step bushings with zinc plated steel sleeves (where applicable) * Polyurethane greasable bushings * On car grease fittings (except rod ends) * Use OEM hardware
( 84 )
$239.99
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$459.99
UMI Performance bolt-on 3-point subframe connectors increase chassis stiffness, performance capabilities, and overall drivability. Their setup is designed to tie the front and rear subframes together, adding additional cross-bracing throughout the center of the vehicle and protecting it to its fullest, while keeping ground clearance issues to a minimum. This spider web effect greatly improves your car's handling ability, while reducing T-top squeaks, dash rattles, and quarter panel flexing. They are designed for autocross, road racing, and drag racing setups. Connecting the front and rear subframes together allows for better weight transfer, improved traction, and straighter launches. Additional features include: * Constructed from 1.750 in. x 0.120 in. DOM mild steel tubing * 3-point brace uses 1.250 in. x 0.095 in. DOM mild steel tubing * Front mounting points feature 0.250 in. thick mild steel mounting plates * Mounting plates feature precision CNC-machining to ensure tolerances * MIG-welded construction * Durable powdercoated finish
( 10 )
$499.99
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$659.99
UMI Performance Road Race K-Members are designed for serious racers who expose their vehicles to more stress than any street cars will ever experience. Using an additional 1.000 in. of tubing, UMI Performance Road Race K-Members tie together crucial areas. They weigh in at 3 lbs., more than UMI's standard version, but still maintain a much-needed weight savings.
( 3 )
$929.99
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 tunnel mounted torque arms are a proven fourth-generation setup designed to remove the front mounting point of the torque arm off of the transmission, protecting the tailshaft from damage. They also work great for transmission swaps when a clamshell torque arm is not feasible. These torque arms include instant center adjustment brackets and can be purchased with or without a front driveshaft loop. They bolt into existing floor pan holes with no drilling or welding required.
( 39 )
$329.99
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$599.99
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 )
$1,099.99
UMI Performance boxed weld-in subframe connectors are necessary chassis upgrades when racing and hard driving habits are present. UMI Performance boxed weld-in subframe connectors greatly improve your car's handling ability, while reducing T-top squeaks, dash rattles, and quarter-panel flexing. Subframe connectors essentially tie the front and rear steel subframes together, resulting in a stiffened and strengthened chassis, allowing for better weight transfer and improved traction when launching. When strength is a concern, square tubing has greater torsion resistance over tubular designs. They will work with all aftermarket exhaust systems and will not affect ground clearance. Their weld-in style requires no bolts to tighten and offer less chance of flex when compared with bolt-in types.
( 23 )
$399.99
UMI Performance 1998-2002 F-Body LS1 Stage 1 front-end kits are the ideal starting point for reducing front-end weight and enhancing weight transfer in your 4th Gen vehicle. The dual tube K-member is renowned for its strength and durability, capable of withstanding wheel stand landings and street abuse while also decreasing weight and protecting the oil pan. The rod end lower A-arms minimize friction, allowing the car to respond quickly off the line, and reduce weight by 8 lbs. UMI's K-member and A-arms are made from robust DOM tubing, precision-bent, CNC-notched, and welded in a jig for a solid foundation. The included K-member is compatible with factory motor mounts, polyurethane motor mounts, or UMI's solid billet aluminum motor mounts (P/N 2323). Whether you want to decrease front-end weight, improve engine clearance, or enhance your street/strip car, the Stage 1 package is a great starting point. UMI's Stage 1 kit includes the following: * Tubular dual tube K-member * Tubular lower A-arms with race quality rod ends * Grade 10.9 hardware with Ny-lock nuts Product features: * Heavy-duty K-member with dual tube construction * Tubular lower A-arms with race quality rod ends * Premium 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 * Includes new grade 10.9 A-arm mounting hardware
Not Yet Reviewed
$1,449.99
UMI Performance double adjustable panhard bars control the side-to-side movement of the rear-end under the vehicle. Flex and bushing deflection found with the factory panhard bar leads to erratic handling and tire rubbing under hard loads. UMI Performance double adjustable panhard bars feature 100 percent TIG-welded fabrication for the utmost in strength and PTFE-lined rod ends. These double adjustable panhard bars also feature left and right hand threads for quick and easy on-car adjustments by simply loosening two jam nuts; removal of the panhard bar from the vehicle is not required. The spherical rod end setup eliminates rear-end bind, which is an excellent improvement for your street, autocross, or drag racing applications. In addition to offering easy adjustments, our heavy-duty panhard bars also increase rear stability and control side movement and body flex. They are built using only the best American-made products on the market today.
( 5 )
$219.99
Tremendous front grip and a host of features can be yours with UMI Performance Competition front-end kits. The included A-arm kit enables 10 degrees caster while maintaining standard track width and wheelbase. Lower A-arms are assembled with tall lower ball joints to optimize roll center, camber gain, and center of gravity. Lower A-arms feature Delrin bushings for smooth travel and bind-free performance. The new lower A-arm works in conjunction with the included adjustable upper arm—which features minimum shim adjustability, Pro Forged ball joints, and super-smooth PTFE lined rod ends. The front sway bar attaches using UMI's swivel-style end link design and double shear mounting system. The included Viking Crusader coilover shocks mount to the lower A-arm in double shear quick-change brackets. The lower shock mount is removable to allow spring and shock changes at the track. UMI's kit features Viking Crusader shocks with AT pro-touring valving (high rebound tie-down for road race and autocross) and a true 2.5 in. racing coilover. The upper stud mount fits in the factory location, while the lower is optimized to fit UMI's 3057-1 coilover lower A-arm. Some grinding is required for installation in the upper frame spring bucket. Other spring rates and valve codes are available. The Competition kits have been battle-tested on the iconic UMI Green Machine. Kits are available in red or black powdercoat; and are 100 percent designed, manufactured, and raced with pride in the USA.
( 1 )
$2,309.99
UMI Performance weld-on 3-point subframe connectors increase chassis stiffness, performance capabilities, and overall drivability by adding UMI Performance's new 3-point style subframe connectors. They are designed to tie the front and rear subframes together and add additional cross-bracing throughout the center of the vehicle, protecting it to its fullest, while keeping ground clearance issues to a minimum. This spider web effect greatly improves your car's handling ability and reduces T-top squeaks, dash rattles, and quarter panel flexing. They are designed for autocross, road race, as well as drag race setups. Connecting the front and rear subframes allows for better weight transfer, improved traction, and straighter launches. These subframe connectors are available in either a weld-on or bolt-in setup.
Not Yet Reviewed
$599.99
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 tubular 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. 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
Not Yet Reviewed
$699.99
UMI Performance weld-on tubular subframe connectors tuck tightly against the floor, causing no ground clearance loss, and cannot be seen from the side of the vehicle. Their weld-in only setup ties the front and rear steel subframes together, resulting in a stiffened and strengthened chassis. Subframe connectors improve your car's handling ability and reduce T-top squeaks, dash rattles, and quarter panel flexing. They are designed for autocross, road race, as well as drag race setups. Connecting the front and rear subframes allows for better weight transfer, improved traction, and straighter launches.
( 3 )
$349.99
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
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