UMI Performance Suspension Parts

UMI Performance Tunnel Mounted Torque Arms

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.

4.69 out of 5 stars ( 39 )

$329.99

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$599.99

UMI Performance Rear Control Arms and Panhard Bar Kits

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

4.84 out of 5 stars ( 85 )

$189.99

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$599.99

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.

4.8 out of 5 stars ( 5 )

$3,059.99

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$3,259.99

UMI Performance Transmission Mounted Torque Arms

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

4.84 out of 5 stars ( 19 )

$304.77

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$339.99

UMI Performance Stage 1 Handling Kits

UMI Performance Stage 1 handling kits are designed to bring you great ride quality and improved handling, while giving your musclecar the lowered, aggressive stance you want at an inexpensive price. These kits include heavy-duty UMI sway bars with new end links and greasable bushings, four Bilstein HD shocks, and a set of UMI 1 in. lowering springs. If you're looking to change the stance of your ride and get some added performance, look no further than these UMI Performance Stage 1 handling kits.

5.0 out of 5 stars ( 1 )

$1,499.99

UMI Performance Stage 2.5 Handling Kits

UMI Performance Stage 2.5 handling kits bring you the best of both worlds—combining UMI's Stage 2 handling kit with four-corner Viking coilover ride height adjustability. These Stage 2.5 handling kits feature UMI's most popular combination of front and rear springs, along with all the necessary components and hardware needed to transform your GM vehicle for improved handling, ride quality, and an impressive stance. Ride height is adjustable from stock to 2 in. below stock ride height, and the Viking shocks feature 19 settings in both compression and rebound. More than a dozen kits are available, with numerous options. Select the model recommended for your vehicle. Stage 2.5 handling kits include: * Tubular lower front A-arms with polyurethane bushings * Upper front A-arms with Delrin© bushings * Viking coilover kit * Heavy-duty front sway bar with new bushings and end-links * Front upper and lower race-quality hardware kit * Solid heat-treated rear sway bar * Tubular rear lower control arms with polyurethane bushings * Tubular rear upper control arms with polyurethane bushings * Tubular frame braces with hardware * Replacement rear-end housing bushings * Rear control arm race-quality hardware kit * UMI bolt-on rear coilover kit * Thrust bearing kit (x 2) * Spanner wrench kit Note: Rear coilover kit fits GM axle housing only. Aftermarket axle housing fitment is not guaranteed.

Not Yet Reviewed

$2,579.99

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$4,649.99

UMI Performance Rear Control Arms and Sway Bar Kits

UMI Performance rear control arms and sway bar kits are direct bolt-on replacements designed to minimize wheel hop and improve cornering and track consistency, while lowering ETs. They include upper and lower control arms, adjustable frame braces, bushings, rear sway bar, and Grade 8 mounting hardware. Choose the powdercoat finish you prefer.

4.64 out of 5 stars ( 14 )

$799.99

UMI Performance 1993-2002 GM F-Body 3-Pt. Subframe Connectors and Torque Arm Kits

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 Suspension Lowering Kits

UMI Performance suspension lowering kits are designed to give your ride a lowered stance, with improved handling and control. Packaged with shocks and/or struts and springs, UMI utilizes premium CrSi wire wound into different spring rates to fit various applications for daily driving, street cruising, carving corners, and even light racing use. You can provide your vehicle with a different attitude and performance using a UMI suspension lowering kit.

5.0 out of 5 stars ( 1 )

$665.99

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$2,959.99

UMI Performance Leaf Spring Lowering Blocks

Achieve the perfect stance with UMI Performance leaf spring lowering blocks for 2nd Gen Camaros and Firebirds (1970s and '80s). Lower your car an additional 3/4 in. or 1 in. to fine-tune the ride height. These suspension blocks are machined from 6061 T6 aluminum with a satin black finish. They include a factory compatible locating pin and heavy-duty U-bolts to facilitate installation. The lowering blocks are compatible with UMI 2620 leaf springs, as well as most other leaf springs with standard-style mounting. Sold in pairs.

5.0 out of 5 stars ( 1 )

$59.99

UMI Performance Torque Arm Relocation Kits

UMI Performance torque arm relocation kits are designed to remove the front mounting point of the torque arm off of the transmission and protect the tailshaft from damage. General Motors' tailshaft mounted design works great for a stock-driven vehicle; however, it is not designed to take abuse and hard launches. UMI Performance torque arm relocation kits replace your transmission crossmember with a new, stronger setup with a built-in torque arm mount. Each relocation kit is designed to fit a specific transmission and will work with virtually any stock-style aftermarket torque arm, as well as with the factory torque arm. These units are built using rectangular mild steel tubing and 0.188 in. mild steel mounting plates and they include all hardware needed for installation. The torque arm mount is machined from 0.250 in. thick mild steel and features a new clamshell for appropriately attaching the torque arm to the new crossmember.

4.61 out of 5 stars ( 41 )

$265.14

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$269.99

UMI Performance Competition Front End Kits

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.

4.5 out of 5 stars ( 2 )

$2,289.99

UMI Performance Stage 5 Front Suspension Packages

UMI Performance Stage 5 front suspension packages provide a solid foundation for your strip car with occasional street duty. UMI's dual tube K-member is known as the strongest in its class—and can withstand wheel stand landings and street abuse while still shaving weight, as well as protecting the oil pan. The rod end upper and lower A-arms reduce friction and unsprung weight while ensuring super-quick weight transfer. These K-members and A-arms are built from strong DOM tubing, precision-bent, CNC-notched and welded in a jig to form a solid base. Upper and lower A-arms are assembled with PTFE-lined race quality rod ends and premium ball joints. The included adjustable A-arms offer strength, weight reduction, reduced friction, and alignment adjustments when needed. Increased caster for straight-line stability can be achieved very easily with this bolt-in system. Stage 5 includes Viking A226 bearing-mounted front coilovers with double adjustable shocks that allow ride height, compression, and rebound adjustment. The A226s feature bearing ends in place of polyurethane for friction reduction, improved response, and longer lasting performance. Ride height adjustment is accomplished with the included spanner wrenches and thrust washers; while the compression and rebound adjusters are clicked by hand—and feature a total of 361 possible valving combinations. The included springs are 300 lbs./in. and work perfectly on drag race applications and vehicles with front-end weight reduction. The UMI Performance Stage 5 front suspension package is found under many F-body drag cars with single-digit ETs. Package features include: * Heavy-duty D-member with dual tube construction * Tubular upper and lower A-arms with race-quality rod ends * Wide flanged aluminum step bushings in A-arms * Premium upper and lower ball joints installed * Double adjustable race-style bearing end Viking shocks * Height adjustment from 0 to 3 in. lowering * 300 lbs./in. front springs for drag racing * 43 lbs. of front-end weight savings * Chromoly A-arms save an additional 1.5 lbs. * Works with factory steering rack * Direct bolt-in replacement, no welding

5.0 out of 5 stars ( 2 )

$2,749.99

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 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

4.0 out of 5 stars ( 1 )

$1,289.99

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$3,259.99

UMI Performance Stage 3 Handling Kits

UMI Performance Stage 3 handling kits are designed to help you achieve a high level of performance pro-touring handling capabilities, while not compromising the comfort of your everyday commute. They deliver precision steering, as well as excellent handling and balance, with superior-quality parts components you won't find in other handling kits. Kits include the following features: * Increased spindle height by 1/2 in. via tall upper ball joints for improved camber gain and a better contact patch. Works nicely in conjunction with lowering springs * Upper A-arms add caster for improved steering feel and straight line stability * Lower A-arms feature UMI-built Delrin bushings and accept standard springs or coilovers * 1.25 in. front sway bar for flat cornering, CNC-bent from 4140 balanced with 1 in. solid heat-formed rear sway bar * Shocks feature monotube construction and are designed and tuned for optimum ride quality, combined with responsive handling * UMI springs feature ultra premium CrSi material with linear rates front and rear for consistent handling * Rear trailing arms feature poly and roto-joints, as well as adjustable uppers for setting pinion angle and rear lateral location * Roto-Joints allow for smooth articulation for improved handling and less bind

5.0 out of 5 stars ( 1 )

$3,369.99

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$3,628.99

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

4.0 out of 5 stars ( 2 )

$2,948.99

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$3,449.99

UMI Performance Stage 3.5 Handling Kits

UMI Performance Stage 3.5 handling kits feature new, ultra-premium 1 in. lowering springs that form the handling foundation and are controlled by RideTech's HQ rebound adjustable shocks. They have carefully tuned rates and high-quality construction to eliminate that floating feeling, tying your A-body directly to the ground. Whether it's backroad corner carving, an auto-x, or a pro-touring event you're headed to, these UMI Performance Stage 3.5 handling kits have the performance that you desire. Kits include: * Tubular lower front A-arms with Delrin bushings * Tubular upper front A-arms with Delrin bushings * Heavy-duty 1 1/4 in. front sway bar with new bushings and end links * Tubular and adjustable 1 in. pro-touring rear sway bar * 1 in. lowering springs, linear spring rates * Tubular rear lower control arms with roto-joint * Adjustable rear upper control arms with roto-joints * Tubular frame braces with hardware * Replacement rear-end housing bushings * Front upper and lower Grade 8 hardware kit * Rear control arm Grade 8 hardware kit * 4 RideTech HQ shocks, handling quality with rebound adjustment

5.0 out of 5 stars ( 2 )

$3,828.99

UMI Performance Stage 4 Handling Kits

UMI Performance Stage 4 handling kits give you everything you need to transform your ride into a high performance handling machine, with the adjustability to perform at the track or cruise around with family and friends. These kits consist of UMI's proven upper and lower tubular A-arms and Viking's new front hybrid coilovers with double adjustable shocks. They provide you with a precise steering feel and straight-line stability, as well as ride height, compression, and rebound adjustment. UMI kits also include: * Front chromoly sway bar * Rear tubular pro-tour bar * Rear adjustable tubular frame braces * Lower trailing arms * Fully adjustable Roto-Joint upper control arms

4.0 out of 5 stars ( 3 )

$4,728.99

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$4,929.99

UMI Performance Stage 5 Handling Kits

UMI Performance Stage 5 handling kits include all of UMI's high-end Pro-Touring products and will turn your A-body into a corner carving machine. Up front, the kits start with UMI's awesome 4056-3 adjustable A-arm loaded with a 0.9 in. taller ball joint. This arm increases caster to around 6 degrees and allows road race camber settings with no shims. The lower A-arms are loaded with UMI-built Delrin© bushings for smooth motion and precise steering; as well as 0.5 in. tall lower ball joints to further increase spindle height and get rid of the factory bump steer. The 1.4 in. of additional spindle height transforms the A-body camber curve into something race-worthy. Viking's front hybrid coilovers with double adjustable shocks allow ride height, compression, and rebound adjustment. The ride height adjustment is accomplished with the included spanner wrenches and thrust washers. The compression and rebound adjusters are clicked by hand (no tools!) and feature a total of 361 possible valving combinations. These bolt-on handling kits are available for a wide range of applications, including many Pontiac, Oldsmobile, Chevrolet, Buick, and GMC vehicles from the 1960s and '70s.

Not Yet Reviewed

$4,799.99

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.

4.85 out of 5 stars ( 39 )

$1,173.04

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$1,489.99

UMI Performance Front Sway Bars

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.

4.67 out of 5 stars ( 102 )

$237.67

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$329.99

UMI Performance Stock Height Springs

UMI Performance stock height springs are designed to add modern handling and a crisp ride while maintaining the factory muscle car appearance. Wound from premium chrome silicon wire, they feature linear rates for consistent handling characteristics with an increase in stiffness to reduce body roll and eliminate the floating feeling so common with factory suspension. Their ride height is engineered to be level on cars equipped with standard small block Chevrolet, Pontiac, aluminum head/intake big block Chevy, or LS engines (lightened cars may require spring trimming). Full-weight big block applications will have a 1/4 in. nose-down rake. Features include: * Designed to maintain the factory muscle car appearance with today's modern feel * Consistent rates and the best materials so your car sits properly for years to come * Linear spring rates provide a firm, yet comfortable, ride and incredible handling * No more floating feeling * Suitable for Pro-Tour, autocross, corner carving, and general cruising * Manufactured in the USA

4.36 out of 5 stars ( 39 )

$169.99

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$349.97

UMI Performance Rear Adjustable Upper and Lower Control Arm Kits

UMI Performance adjustable upper and lower control arms include tubular single adjustable lower and on-car adjustable upper control arms. These control arms are direct replacements for the OEM setup. They add strength, ride improvement, and most importantly, rear-end adjustment. Additional features include: * 1.500 in. x 0.120 in. mild steel tubing * TIG-welded 4140 chromoly tube adapters * Complete arm features TIG-welded construction * Polyurethane greasable bushings * Durable, long-lasting powdercoated finish * 3/4 in. hard chrome plated PTFE/KEVLAR® self-lubricating race rod end

5.0 out of 5 stars ( 18 )

$429.99

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$519.99