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UMI Performance Front Bump Steer Adjuster Kits

The suspension's job is to ensure that your vehicle stays as level and smooth as possible. UMI Performance front bump steer adjuster kits are designed to improve handling and straight line stability by decreasing or eliminating toe change during suspension travel. These simple bolt-on kits allow you to relocate the outer tie rod end, with no spindle drilling required. The 6061 T-6 aluminum hex is hard black anodized for corrosion protection and lightweight strength. Included in the kits are race-quality rod ends, jam nuts, spacers, and locking hardware.

4.86 out of 5 stars ( 14 )

$297.97

$299.99

UMI Performance Rear Adjustable Trailing Links

UMI Performance rear adjustable trailing links offer a high performance way to stiffen the flimsy factory rear suspension on your vehicle. These arms will be equipped with UMI's exclusive Roto-Joint or race quality rod ends, a chromoly on-car adjuster, heavy-duty tubing, and precision, laser-cut brackets. They are available with a durable gloss black or UMI red powdercoat finish for lasting good looks. Improve suspension stiffness and handling; select the rear adjustable trailing links with your preferred color designed for your vehicle.

Not Yet Reviewed

$269.99

$289.99

UMI Performance Adjustable Trailing Arms

UMI's adjustable trailing arms with Roto-Joints are a valuable addition to enhancing the handling of your application. The UMI Roto-Joint provides articulation similar to a rod end while also offering the comfort of a cushioned bushing. Constructed with strong 1-1/2 in. heavy wall tubing and a laser cut bracket, these trailing arms feature on-car adjustability with an easy and secure adjustment process. They are designed for street, road race, auto-x, and light drag race applications, making them versatile and performance-oriented. Features: * Heavy duty 1/4 in. CNC laser cut mounting brackets * UMI built chromoly on-car adjuster * Exclusive Roto-Joint for awesome performance * Race proven and track tested * 100% Made in Philipsburg, PA-USA

Not Yet Reviewed

$279.99

$309.99

UMI Performance Rear Toe Rods

These UMI Performance 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 suspension load. Factory toe rods are often made from flimsy stamped steel with soft rubber bushings that can cause deflection, leading to erratic handling, poor traction, and possible rear tire wear. Replacing these factory arms with heavy-duty toe rods can significantly improve the stability of the suspension, traction, and braking performance. UMI Performance rear toe rods are manufactured from 1" x 2" rectangular tubing and fully TIG welded for maximum strength. They are equipped with fluted, greaseable, and low deflection polyurethane bushings from . Installation is a breeze, with these toe rods being a direct bolt-on using OEM hardware. With a durable powder coat finish and made in the USA, these toe rods are sure to enhance the performance of your vehicle.

Not Yet Reviewed

$269.99

$399.99

UMI Performance Front and Rear Sway Bar Kits

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.

4.62 out of 5 stars ( 73 )

$407.72

$419.99

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 )

$320.03

$339.99

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 )

$259.29

$329.97

UMI Performance Rear Adjustable Lower and Double Adjustable Upper Control Arm Kits

UMI Performance adjustable lower and double adjustable upper control arms are direct bolt-on replacements designed to minimize wheel hop. UMI Performance double adjustable upper control arms feature on-car adjustability, allowing for quick and easy pinion angle adjustment, and yes, it's as simple as loosening two nuts! The spherical rod end allows for a "bind-free" operation, making them great upgrades for both your track and autocross-driven vehicles. The polyurethane bushings are designed to be bolted to the chassis for quiet, comfortable operation. UMI Performance adjustable lower control arms are constructed from DOM mild steel tubing with a 1.500 in. o.d. x 0.120 in. wall and a 4130 chromoly threaded tube adapter. They are completely CNC-machined and fully TIG-welded for outstanding strength. The lower control arms also feature reinforced spring perches and heavy-duty sway bar mounting points. The upper control arms feature 0.250 in. mild steel mounting points, a 4130 chromoly tube adapter, and a 4140 chromoly heat-treated 1.120 in. solid adjuster--truly overkill. These control arms feature polyurethane bushings, zinc plated steel sleeves, and "on-car" greasable Zerk fittings. Adjustments can be made using the high-quality, PTFE-lined spherical rod ends for quiet, bind-free performance. Additional features include: * QA1 3/4 in. hard chrome plated, PTFE/KEVLAR® self-lubricating race rod end * CNC-machined 6061 aluminum step bushings with zinc plated steel sleeves * Powdercoated finish * Use OEM hardware

5.0 out of 5 stars ( 3 )

$499.99

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

4.83 out of 5 stars ( 84 )

$349.99

$459.97

UMI Performance Rear Adjustable Upper Control Arms

UMI Performance adjustable upper control arms feature CNC-machined 0.250 in. mild steel, 4140 chromoly threaded tube adapters, and a high-strength, 4140 chromoly, heat-treated, 1.000 in. solid adjuster. With UMI Performance adjustable upper control arms, you can easily make pinion angle adjustments in the garage or at the track--it's as simple as loosening two nuts! Simply turn UMI's unique chromoly on-car adjuster with the control arms on the car to quickly lengthen or shorten the control arms. Pinion angle adjustments are a must when wanting to lower your track 60 ft. times, increase traction, and reduce unwanted wheel hop. Their PTFE-lined spherical rod end design allows for "bind-free" operation, making them great upgrades for both your track and autocross-driven vehicle. Additional features include: * On-car adjustability * 3/4 in. hard chrome plated PTFE/KEVLAR® self-lubricating race rod ends * Precision CNC-machined and fully welded * CNC-machined 6061 aluminum step bushings * Durable powdercoated finish

4.84 out of 5 stars ( 69 )

$269.99

$299.99

UMI Performance Rear Double Adjustable Lower Control Arms

UMI Performance double adjustable lower control arms feature 100 percent TIG-welded fabrication using drawn-over mandrel tubing. UMI Performance double adjustable lower control arms also have spherical bearing rod ends, which offer "bind-free" operation by letting the suspension articulate correctly when high handling is a concern. These control arms also work great as solid bushing drag race control arms with easy, built-in adjustment. Quick and easy on-car adjustments can be made, if needed, with a simple turn of the wrench. When you are looking for maximum performance from your vehicle, you can't go wrong with this setup. Additional features include: * 1.250 in. x 0.120 in. steel or chromoly tubing * 4140 chromoly threaded tube adapters * 3/4 in. hard chrome plated, PTFE/KEVLAR® self-lubricating race rod ends * CNC-machined 6061 aluminum step bushings * On-car adjustability using right and left hand threads * Durable powdercoated finish

4.69 out of 5 stars ( 13 )

$257.93

$399.99

UMI Performance Rear Adjustable Upper and Non-Adjustable Lower Control Arm Kits

UMI Performance rear adjustable upper and non-adjustable lower control arms are direct replacements for the OEM setup. They add strength, ride improvement, and most importantly, rear-end adjustment. UMI Performance rear adjustable upper control arms are constructed from aircraft-quality 4140 chromoly steel and feature TIG-welded construction. The upper control arm mounting points feature CNC-machined 0.250 in. mild steel, 4140 chromoly tube adapters, and a high-strength, 4140 chromoly, heat-treated, 1.000 in. solid adjuster. UMI Performance rear lower control arms feature CNC-machined 0.120 in. wall thickness mild steel tubing, fully TIG-welded construction, greasable polyurethane bushings, and Zerk grease fittings. Additional features include: * On-car adjustability * 4140 chromoly threaded tube adapters * 3/4 in. hard chrome plated PTFE/KEVLAR® self-lubricating race rod ends * CNC-machined 6061 aluminum step bushings * Durable powdercoated finish

5.0 out of 5 stars ( 18 )

$469.97

$469.99

UMI Performance Adjustable Extended Length Lower Control Arms

UMI adjustable extended length lower control arms are designed to properly center the rear wheels in your Impala SS wheelwells. Here's how they work--the control arms extend 5/8 in., but the adjustment allows you to lengthen or shorten them an additional 1/4 in. to perfectly center your car's rear-end. Built from 0.120 in. thick DOM steel tubing, these adjustable lower control arms are CNC-machined and contoured for exact tolerances and accuracy. The control arms attach to the rear-end using chromoly PTFE-lined spherical bearing rod ends, which operate bind-free when high handling is a concern and feature the correct provisions for adding stock or aftermarket sway bars. Get traction and control without road noise by installing UMI Performance adjustable extended length lower control arms.

3.67 out of 5 stars ( 3 )

$349.99

UMI Performance Adjustable Extended Length Upper Control Arms

To properly center the rear wheels in your Impala SS wheelwells, use UMI adjustable extended length upper control arms. Here's how they work--the control arms extend 5/8 in., but the adjustment allows you to lengthen or shorten them an additional 1/2 in. to perfectly center your car's rear-end. Built with DOM steel tubing, these adjustable upper control arms are CNC-machined and contoured for exact tolerances and accuracy. The control arms feature 4140 chromoly tube adapters and a heat-treated adjuster, quality spherical PTFE-lined rod ends, and greasable bushings. Make easy on-car adjustments to gain length and set pinion angle with UMI Performance adjustable extended length upper control arms.

Not Yet Reviewed

$279.97

$319.99

UMI Performance Front Non-Adjustable Upper A-Arms

UMI Performance front non-adjustable upper A-arms are designed to add front-end rigidity, increase strength, and eliminate the flex found with stock A-arms. UMI Performance front non-adjustable upper A-arms are built using strong DOM steel tubing and 0.188 in. thick CNC-machined ball joint mounts and are supplied with greasable polyurethane bushings. These upper A-arms also feature a -3 degree improved ball joint angle for lowered vehicles. Additional features include: * 1.250 in. x 0.120 in. mild steel tubing * Adjustment for cast and camber * Brilliant durable powdercoated finish * Use OEM hardware

5.0 out of 5 stars ( 1 )

$329.99

UMI Performance Rear Drag Sway Bars

Say goodbye to leaving the line sideways with UMI's rear drag sway bars. These kits are designed to get your vehicle consistently leaving the line straight, eliminate torque steer, and drastically improve 60 ft. times. The included adjustable end links allow vehicle preload to be set for straight launches. UMI's end links feature heavy-duty chromoly rod ends, which have a hard chrome plating and a PTFE self-lubricating race. The end links attach to the drag bars using 5/8 in. Grade 8 bolts and locknuts. These heavy-duty rear drag bars attach to the axle tubes using high-strength 4140 chromoly U-bolts, 3/16 in. thick fabricated mounts, and Energy Suspension bushings. The fabricated bushing mounts feature CNC-machined teeth to prevent sliding on the axle. Unlike some competitors' designs, UMI's sway bar mounts also feature gussets welded on each end to prevent the brackets from spreading while tightening.

4.6 out of 5 stars ( 5 )

$448.05

$449.99

UMI Performance Rear Adjustable Lower Control Arms

UMI Performance single adjustable lower control arms are direct bolt-on replacements designed to minimize wheel hop and improve cornering, while lowering ETs. UMI Performance single adjustable lower control arms are constructed from a DOM mild steel tubing 1.500 in. o.d. x 0.120 in. wall and a 4130 chromoly threaded tube adapter. They are completely CNC-machined and fully TIG-welded for outstanding strength. UMI Performance single adjustable lower control arms feature reinforced spring perches and heavy-duty sway bar mounting points. Their high-quality, PTFE-lined spherical rod end allows for quiet, "bind-free" performance, making them great upgrades for both your track and autocross driven cars. The polyurethane bushings are designed to be bolted to the car chassis for quiet, comfortable operation. The control arms feature polyurethane bushings, zinc plated steel sleeves, and "on-car" greasable Zerk fittings. Additional features include: * QA1 3/4 in. hard chrome plated PTFE/KEVLAR® self-lubricating race rod end * CNC-machined 6061 aluminum step bushings with zinc plated steel sleeves * Powdercoated finish * Use OEM hardware

4.67 out of 5 stars ( 27 )

$269.97

$349.99

UMI Performance Front Adjustable Upper A-Arms

UMI Performance front adjustable upper A-arms were designed to outperform the stock setup. Whether you use them at the race track or as added improvements to your daily driver, they've been tested and improved to handle both applications. UMI Performance front adjustable upper A-arms are designed to add front-end rigidity, improved handling and strength, and to eliminate the flex found with stock A-arms. UMI Performance A-arms are built using strong DOM steel tubing and 0.188 in. CNC-machined ball joint mounts and are supplied with XM Endura series rod ends. These A-arms are supplied with high-quality spherical bearing rod ends. These rod ends replace the stock rubber bushings found in the OEM arms. 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 0.188 in. ball joint mounts * Adjustment for cast and camber * -3 degree improved ball joint angle for lowered vehicles * Durable powdercoated finish * Use OEM hardware

4.63 out of 5 stars ( 8 )

$459.99

UMI Performance 12-Bolt Swap Adjustable Upper Control Arms

UMI Performance 12-bolt swap adjustable upper control arms are designed to bolt a 1964-72 GM A-body 10-bolt or 12-bolt rear-end into a 1978-88 GM G-body. These control arms are a must any time this swap is being completed. Using factory control arms will cause drastic rear-end bind and an incorrect driveline angle, which leads to traction loss, vibrations, and unsafe handling. UMI Performance 12-bolt swap adjustable upper control arms allow for easy on-car adjustability to set the correct pinion angle and make installation adjustments if needed. Adjustments are made using an aircraft-quality, 4140 chromoly, heat-treated adjuster and spherical bearing rod end. The rod end allows the rear-end free movement when high-handling, autocross, or road racing is a concern; it also works great as a drag racing item by eliminating rear-end bind. These upper control arms feature TIG-welded construction and 4140 chromoly tube adapters. Additional features include: * CNC-machined 6061 aluminum step bushings * Durable powdercoated finish * On-car adjustability using right and left hand threads * Precision CNC-machining to ensure tolerances * 3/4 in. hard chrome plated, PTFE/KEVLAR® self-lubricating race rod ends

5.0 out of 5 stars ( 3 )

$299.99

UMI Performance Tubular Rear Sway Bars

UMI Performance lightweight, 1 in. diameter tubular rear sway bars are CNC-bent and feature a UMI tried and true CNC-machined clamping system that allows for differential housing mounting on different diameter housings. Their chassis and differential housing mounts reduce the bind normally associated with factory-style bars. They are bolt-on but may be welded for added security. Plus, the house-made hex adjuster allows for preloading of the bar when used for drag racing, so that you launch straight. Whether you're into street, auto-x, road racing, or drag racing, UMI Performance tubular rear sway bars offer the craftsmanship and performance you want for your vehicle. Features include: * Designed to clear all rear-ends--10-bolt, 12-bolt, 9 in., M9, S60, and others * Heavy-duty, race-style chromoly spherical rod ends with PTFE race * High-strength 4140 chromoly zinc plated U-bolts * CNC-machined sway bar mounts with grip teeth and reinforcement gussets * 1 in. billet steel hex adjuster for extreme strength * Premium greasable polyurethane bushings * Durable, long-lasting powdercoat

5.0 out of 5 stars ( 9 )

$259.99

$319.99

UMI Performance 1964-72 GM A-Body Rear Lift Bars

UMI Performance lift bars replace your stock rear control arms, adding tremendous track gains, while not affecting ride height and keeping ride quality at its best. These lift bars are designed to work with axle torque to load the chassis of the car, forcing the rear wheels downward, while pushing the tires into the ground for harder launches and improved 60 ft. times. These bars are designed to greatly improve traction and reduce unwanted wheel hop. Constructed from boxed mild steel tubing, they feature a 0.120 in. wall and 0.188 in. thick mounting plates and are completely CNC-machined for exact tolerances and a superb fit. These lift bars feature greasable Energy Suspension bushings that reduce bushing deflection but still make these arms 100 percent streetable. Each lift bar features the correct provisions for adding a stock or aftermarket sway bar. Sway bar holes are placed in the correct pattern to maintain the sway bar level with the rear-end. All sway bar holes are reinforced with a 0.120 in. thick steel sleeve wall, TIG-welded, and then sanded into place. The rear mounting brackets feature two settings that allow the lift bar to be lowered 2 in. or 3 in., depending upon user preference and the vehicle's suspension setup. These lift bars also correct lost geometry and instant center on a lowered vehicle. Add a set of our adjustable upper control arms for maximum rear suspension setup!

5.0 out of 5 stars ( 3 )

$479.99

UMI Performance 1993-2002 GM F-Body Drag Race Front Upper A-Arm Kits

UMI Performance 1993-2002 GM F-body Drag Race front upper A-arm kits are designed to help shed weight off the front of your 4th Gen, while providing plenty of strength and a 2-degree caster increase. UMI's industry leading high-clearance geometry tucks into the wheel well just like stock to afford maximum suspension travel. UMI's drag-specific A-arms feature strong 1.25 in. chromoly tube construction and a streamlined ball joint plate combined with high-strength aluminum racing rod ends, saving one 1/2 lb. per side over the stock arms. These arms come assembled with premium ball joints and are ready to bolt on. Features: * TIG-welded 4130 chromoly threaded tube adapters for thread durability * Laser-cut ball joint mount * Premium upper ball joints installed * Heavy-duty aluminum racing rod ends * Uses balance of OEM hardware * Durable red or black powdercoat finish

Not Yet Reviewed

$499.99

UMI Performance Rear Adjustable Lower Control Arms with Offset Bushings

UMI Performance adjustable lower control arms feature offset bushings to allow the control arm to be placed inward for additional clearance when running large tires. This type of setup is also needed when running a mini-tub to achieve the most possible clearance. The supplied aluminum step bushings place the control arm inward 3/8 of an inch further than UMI's standard version. UMI Performance adjustable lower control arms feature 100 percent TIG-welded fabrication using 1.250 in. o.d. drawn-over mandrel tubing and PTFE-lined rod ends. The spherical bearing rod ends offer "bind-free" operation when high handling is a concern by letting the suspension articulate correctly. Kits feature: * 4140 chromoly threaded tube adapters * QA1 3/4 in. hard chrome plated PTFE/KEVLAR® self-lubricating race rod end * Complete set features TIG-welded construction * CNC-machined 6061 aluminum step bushings * On-car adjustability using right and left hand threads * Durable powdercoated finish

Not Yet Reviewed

$289.97

$339.99

UMI Performance 1993-2002 GM F-Body Adjustable Lower Front A-Arms

For a strong, streetable setup without the weight of stock, add UMI Performance adjustable lower front A-arms and lose 8 lbs. on the front of your 1993-2002 GM F-body. What you gain are added strength and increased performance. These adjustable A-arms are built strong using DOM steel tubing, 3/16 in. thick CNC-machined shock mounts, new ball joints, high-quality chromoly spherical PTFE-lined rod ends, and greasable polyurethane bushings.Or the chromoly version uses 1.250" x 0.095" 4130 chromoly tubing, maintaining strength and reducing product weight by an additional 2 lbs, 10 lb total reduction. They're finished in your choice of durable red or black powdercoating. Whatever your application, race car or daily driver, UMI Performance 1993-2002 GM F-body adjustable lower front A-arms can handle your setup and lighten your load.

4.5 out of 5 stars ( 2 )

$269.99