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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
( 18 )
$518.39
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$519.99
UMI Performance Front Non-Adjustable Lower A-Arms
A lightweight setup capable of handling everyday street abuse! UMI Performance front non-adjustable lower A-arms remove 5 1/2 lbs. from of the front of your vehicle, while adding increased ride quality and reducing bushing deflection. These suspension control arms are supplied with new greaseable ball joints installed, polyurethane or Delrin® bushings, and sway bar mounting provisions. The A-arm replacements are fabricated using 1.250 in. drawn-over-mandrel tubing and CNC-machined ball joint holders. They feature both MIG and TIG welding for the utmost in product strength. Order the pair recommended for your vehicle. Additional features: * 1.250 in. x 0.120 in. mild steel tubing * Shock mounts are CNC-machined from 0.188 in. steel plate * Supplied fully assembled and ready to install * Durable black or red powdercoat finish * Use OEM hardware
( 10 )
$657.99
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$724.51
UMI Performance Rear Double Adjustable Upper and Lower Control Arm Kits
UMI Performance rear double adjustable upper and lower control arms are the most important things when tuning in your street car's suspension. UMI Performance rear double adjustable 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 TIG-welded fabrication, reinforced sway bar holes, and PTFE-lined spherical rod ends. The construction of the lower control arms features 0.120 in. x 1.500 in. mild steel DOM tubing. Each end utilizes threaded tube adapters that are CNC-machined from 4140 chromoly to ensure overall strength and improved thread durability. 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
( 3 )
$619.97
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$619.99
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
( 8 )
$629.99
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$749.99
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.
( 5 )
$529.97
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$529.99
UMI Performance Rear Non-Adjustable Upper and Lower Control Arm Kits
UMI Performance rear non-adjustable upper and lower control arms are designed to give you the best of both worlds. Whether you're a weekend cruiser or a weekend track addict, we've got you covered. While adding ride improvements, they also work great for reducing traction loss. These control arms are direct bolt-on replacements designed to minimize wheel hop, improve cornering, and help with track consistency. The lower control arms are supplied with sway bar mounting holes designed for your stock sway bar and most aftermarket bars. Additional features include: * Built using 1.625 in. o.d. x 0.120 in. mild steel tubing * CNC-machined for precision tolerances and accuracy * Fully TIG and MIG-welded construction * Durable powdercoated finish
( 107 )
$519.97
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$519.99
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
( 1 )
$599.99
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$679.99
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.
( 1 )
$665.99
UMI Performance Extended Length Lower/Adjustable Upper Control Arm Kits
UMI Performance extended length lower/adjustable upper control arm kits tackles the factory wheelbase problem. The extended-length (5/8 in.) lowers reposition the wheel properly in the wheelhouse, while the extended length rod end-adjustable uppers control pinion angle and lateral location. The kits are available with a durable red or black powdercoat finish. Choose a set designed for your vehicle in the color you prefer.
Not Yet Reviewed
$619.99
UMI Performance Front Non-Adjustable Upper A-Arms with Tall Ball Joints
Give your classic ride a modern feel with these UMI Performance front non-adjustable upper A-arms with tall ball joints. These control arms improve your ride's suspension geometry by providing for additional caster, as well as increased negative camber throughout suspension travel. The new geometry gives your car a better steering feel and increased lateral grip throughout the turn. Each control arm comes with UMI-designed Delrin bushings, chromoly cross shafts, and polyurethane bump stops, and is track-tested to ensure top quality that is ideal for the street, drag, Pro-touring, or autocross car. UMI Performance offers these upper A-arms in either a black or red powdercoat that will protect them and make them look great.
( 6 )
$699.97
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$719.99
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
( 9 )
$519.97
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
( 18 )
$599.99
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$619.99
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.
( 73 )
$579.99
UMI Performance 1970-81 GM F-Body Front Upper A-Arm Kits
UMI 2nd Gen F-body upper A-arms are key components of a great handling muscle car, adding 4 degrees of caster to improve steering feel and reduce wandering. Strong 1.250 in. DOM steel tubular construction and UMI-built greaseable Delrin® bushings ensure precision performance along with an enhance steering response, while the 4140 chromoly offset cross shaft enhances strength and permits camber adjustment to minimize shims required. Great for street and race use, UMI Performance 1970-81 GM F-body front upper A-arm kits are offered with stock or 1/2 in. taller-than-stock ball joints for improved cornering performance and lateral grip. They are also equipped with a polyurethane pancake-style bump stop for smooth rebound control and available in UMI red or gloss black powdercoat. Choose the preferred kit for your vehicle.
Not Yet Reviewed
$599.97
UMI Performance 1978-88 GM G-Body Brake Conversion Kits
UMI Performance 1978-88 GM G-Body brake conversion kits include laser-cut UMI conversion brackets, lightweight aluminum hubs, and premium bearings—everything needed to adapt the C5/C6 abutment brackets, calipers, and rotors to the G-Body spindles. The hub features 5 x 4 1/2 and 5 x 4 3/4 bolt patterns and is intended to face mount the C5/C6 brake rotor in exact factory location (front track width is unaffected). Each kit includes premium bearing cups and cones, along with the correct rawhide seal for great performance and reliability. These conversion kits are the choice for UMI's Green Machine and have been thoroughly tested to withstand road race and Auto-X competition. They fit a wide range of Chevrolet, GMC, Buick, Oldsmobile, and Pontiac vehicles from the 1970s and '80s. Kit includes: UMI conversion brackets, driver and passenger side aluminum hubs, correct bearings and seals to mount the C5/C6 calipers and abutment brackets. Additional details: Wheel studs are not included. 1/2 in.-20 threaded studs will be required to complete installation. Determine stud length after choosing wheel and considering offset, whether or not spacers are required, and after determining wheel flange thickness. Kit requires C5 or C6 calipers, rotors, brake pads and brake lines. A detailed list of GM part numbers is included. Now fits Wilwood SLC56 caliper. Does NOT fit Blazer spindle. Requirements: C5 brakes require a minimum of a 17 in. wheel for clearance, while C6 requires an 18 in. wheel. Please research wheel fitment before purchasing.
Not Yet Reviewed
$579.99
UMI Performance 12-Bolt Swap Lower Control Arm/Adjustable Upper Control Arm Kits
Completing a rear-end swap means replacing factory control arms. UMI Performance 12-bolt swap lower control arm/adjustable upper control arm kits will correct the driveline angle for good traction and safe handling. These kits include both upper and lower rear control arms designed to bolt a GM A-body 10 or 12-bolt rear-end into a GM G-body. The upper control arms in these UMI kits are built at the correct angle to fit your swap with chromoly tube adapters, heat-treated zinc plated adjusters, machined aluminum step bushings, and hard chrome plated PTFE/KEVLAR® self-lubricating race rod ends. Plus, they offer on-car adjustability. The UMI lower arms center the rear-end in the wheelwells and feature greasable Energy Suspension polyurethane bushings and reinforced sway bar holes. Created from steel DOM tubing, precision CNC-machined, and TIG-welded, these control arms are then given a durable, long-lasting powdercoated finish. Best yet, you get all of this American-made quality at a price that keeps you on-budget! From hard launches to weekend cruises, UMI Performance 12-bolt swap lower control arm/adjustable upper control arm kits can handle it.
( 1 )
$519.97
UMI Performance Rear Pro-Tour Style Sway Bars
UMI Performance rear Pro-Tour style sway bars offer true multipurpose high performance! The lightweight 1 in. tubular bars are CNC-bent and feature three holes for different rates--street, auto-x/road race, and drag use. They are designed to clear all rear-ends and include heavy-duty chromoly spherical rod ends with Teflon® race, high-strength 4140 chromoly zinc-plated U-bolts, and a 1 in. billet steel hex adjuster for extreme strength. These UMI kits also deliver their tried and true CNC-machined mounts with grip teeth and reinforcement gussets, as well as premium greaseable polyurethane bushings. A durable, long-lasting powdercoat is added for corrosion resistance and good looks. Reduce the bind normally associated with factory-style bars and up the ante on performance with UMI rear Pro-Tour style sway bars.
Not Yet Reviewed
$519.97
UMI Performance 1970-81 GM F-Body Front Upper Adjustable A-Arm Kits
UMI 2nd Gen F-body adjustable upper A-arms are race-worthy components equally at home on the street. They add 5 to 6 degrees of caster to improve steering feel and reduce wandering. Their single adjustable rod end design allows for caster and camber adjustment with zero or minimal shimming, while the strong 1.250 in. DOM steel tubular construction and 4140 chromoly cross shafts give peace of mind when road racing, drag racing, or simply corner carving in the mountains. UMI Performance 1970-81 GM F-body front upper adjustable A-arm kits are offered with stock or 1/2 in. taller-than-stock ball joints for improved camber gain and enhanced cornering traction. They are available in UMI red or gloss black powdercoat. Choose the preferred kit for your vehicle. Features: * Combine with UMI lower A-arms to gain 8 to 10 degrees of positive caster * Shorter than stock to reduce need for shims when using racing alignment settings * Thick laser-cut ball joint plate * Rod ends reduce stiction and allow easy movement for drag race reaction and consistent times * Camber range from negative 1/2 degree to negative 2 1/2 or 3 degrees (depending on kit) * Taller ball joint kit is a top choice for Pro-Tour style cars requiring excellent stability and great cornering performance
Not Yet Reviewed
$629.99
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$699.99
