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UMI Performance SBC Poly Engine Mount Kits
UMI Performance SBC poly engine mount kits are ideal for high performance street driven vehicles. Direct bolt-in replacements for worn-out factory rubber and clamshell mounts, the polyurethane engine mounts bridge the gap between race oriented solid mounts and cruiser oriented rubber mounts. UMI Performance SBC poly engine mount kits are race-proven on the UMI Green Machine. Features and benefits: * 3/16 in. mild steel fabricated steel construction with poly insert * Polyurethane bushing for increased torque resistance over factory rubber * Less Noise/Vibration/Harshness (NVH) than solid mounts * Black powdercoat and poly bushings with zinc plated anti-crush sleeve * Includes engine side and chassis side mount * Includes all mounting hardware * Note: Sold and works as a kit only
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$109.99
UMI Performance Lowering Springs
Lower your car properly with UMI Performance lowering springs. The front springs are wound from 5160 chrome silicon wire, while the rear springs are made from 9254 chrome silicon. The linear spring rates of each provide a firm but comfortable ride with exceptional handling. Suitable for Pro-Tour, Autocross, and general cruising, these lowering springs are finished with a tough black powdercoat and are available for the front, rear, or in kits with both. Order the parts designed for fitment with your vehicle's suspension. Not all springs are alike—the proof is UMI Performance lowering springs.
( 141 )
$149.99
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$189.99
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.
( 14 )
$157.01
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$169.99
UMI Performance Adjustable Strut Tower Braces
Bolster your street machine with UMI Performance adjustable strut tower braces. Easy to install, these braces offer an inexpensive modification with big benefits. Connecting the front strut towers makes your chassis stronger and fortifies your suspension. You'll feel the improved handling and quicker response in and out of corners. Plus, you'll be able to tweak the braces for a custom fit for your ride. Manufactured in the USA, UMI adjustable braces are crafted from mild steel tubing with CNC-machined 3/16 in. thick mounting plates and 4130 chromoly tube adapters and heavy-duty rod eyes. Strengthen your chassis for improved performance with UMI Performance adjustable strut tower braces.
( 32 )
$150.92
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$159.99
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.
( 102 )
$237.67
UMI Performance Roto-Joint Rear-End Housing Bushings
The GM 4-link suspension has many things going for it, but modern ingenuity and materials have made for some exceptional replacement parts—such as UMI Performance Roto-Joint rear-end housing bushings. These bushings allow full articulation of GM's rear 4-link suspension when they're used in conjunction with rod ends or Roto-Joints in the other six locations. A gentle press fit is all that's needed for installation, and a spiral retaining ring keeps them in place. Pre-greased 6061 T-6 aluminum housings use Synco Super Lube to deliver smooth action for many years. Whether you use your vehicle for road racing, corner hugging, or Sunday driving, you'll feel safe in knowing your rear suspension will fully articulate with UMI Performance Roto-Joint rear-end housing bushings.
( 8 )
$165.53
UMI Performance Solid Rear Sway Bars
UMI Performance solid rear sway bars are designed to reduce body roll and under-steer and increase corning capabilities, resulting in a more balanced suspension. UMI Performance solid rear sway bars also are excellent at keeping your vehicle level and straight during those hard launches. These sway bars are manufactured from 1 in. solid high-carbon steel that's heat-treated and formed as one piece to ensure maximum strength and performance.
( 117 )
$158.18
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$169.99
UMI Performance Rear Axle Flip Kits
UMI Performance rear axle flip kits provide a cost effective way to drop the rear of your square-body truck 6 in. by relocating axle above the leaf springs. Designed for trucks equipped with 8.5 in 10-bolt axles, they include everything needed to do the job, including polyurethane bump stops. Constructed from steel and black powdercoated, the saddle brackets move the axle towards the back to keep the wheel centered in the wheel well, and the lower leaf plates feature laser-cut 1/4 in. steel clamped by heavy-duty U-bolts. Kit components include: * Two axle flip brackets * Two lower leaf mounting plates * Four 5/8 in. zinc plated U-bolts * Eight 5/8 in. hardened washers * Eight 5/8 in.-18 in. tall hex nuts * Two pancake bump stops * Two 3/8 in.-16 in. hex nuts * Two 3/8 in. lock washers
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$149.99
UMI Performance Coilover Bracket Kits
UMI Performance coilover bracket kits are a complete mounting solution for your factory GM G-body axle. They bolt in using the standard trailing arm mounting hole, plus an additional reinforcement hole normally used by the standard rear shock. These race-proven lower brackets feature a multi-position design to allow further fine-tuning of ride height and shock location (3/4 in. intervals). Each kit also features upper reinforcement tabs to distribute the load from the T-bar, as well as complete upper and lower hardware. UMI coilover brackets require no cutting, and optionally allow returning your car to stock at any time. Order the kit designed to fit your vehicle. Features, items, and specs: * 1/2 in. x 1 1/4 in. mount fits most standard racing shocks * 3/16 in. mild steel construction * Laser-cut for consistency and a precise fit * Powdercoated black for added durability and a lasting finish
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$149.99
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$199.99
UMI Performance 1970-81 GM F-Body Aluminum Body Mount Kits
UMI Performance 1970-81 GM F-body aluminum body mounts are direct replacements for factory body mounts and are used to restore the body location to the factory position. These aluminum body mounts are great for autocross or drag race cars as they give the car a crisp, responsive feel while reducing subframe movement. These CNC-turned units fit nicely and look great with a black anodized finish. Hardware is included.
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$149.99
UMI Performance Solid Motor Mounts
UMI Performance solid motor mounts replace the factory rubber motor mounts, decreasing engine movement for maximal vehicle performance. These solid mounts bolt directly to the frame of the 1982-92 GM F-body and 1978-88 GM G-body, as well as many other 1974 and later GM V8 applications. Solid mounts are required to be used in conjunction with the factory clamshell. The centerline is 1 in. from the crossmember surface to the center of the hole; check your original part's dimensions before ordering. Solid mounts may not work with Oldsmobile V8-style clamshells. Additional features include: * 0.188 in. thick mild steel base plate * 1.000 in. o.d. x 0.250 in. wall thickness steel tubing * Fully MIG-welded * Durable powdercoated finish
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$109.99
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$129.99
UMI Performance Control Arm Reinforcement Brace Kits
The more power your ride makes, the better the chance of bending or breaking your rear control arm mounts. Beef up the upper and lower front control arm mounts on your classic with UMI Performance control arm reinforcement brace kits. These tubular reinforcements tie the upper and lower control arm mounts together for added strength and driving performance. Manufactured from DOM steel and TIG-welded, these trailing arm mount braces are adjustable for a perfect fit. Grade 8 hardware, nuts, and washers are included for a hassle-free install. Buy quality for your American-made muscle--UMI Performance control arm reinforcement brace kits.
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$148.57
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$159.99
UMI Performance Rear Non-Adjustable Lower Control Arms
UMI Performance non-adjustable lower control arms are designed to replace the factory setup. In doing so, they minimize wheel hop and improve cornering, while lowering track ETs and helping track consistency. UMI Performance non-adjustable lower control arms eliminate the flex and bushing deflection found in the factory lower control arms. Their tubular setup is built using 1.500 in. drawn-over mandrel tubing and features TIG-welded construction for the utmost in strength and durability. The rubber OEM bushings are replaced with greasable polyurethane bushings.
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$202.41
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$213.94
UMI Performance Rear Non-Adjustable Upper Control Arms
UMI Performance rear non-adjustable upper 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 that are designed to minimize wheel hop and improve corning and track consistency. Additional features include: * Built using 1.625 in. o.d. x 0.120 in. DOM mild steel tubing * CNC-machined for precision tolerances and accuracy * Fully TIG and MIG-welded construction * Durable, long-lasting, powdercoated finish
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$147.99
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$149.99
UMI Performance Frame C-Notch Kits
UMI Performance bolt-in frame C-notch kits improve axle clearance on lowered trucks, and are essential when lowering more than 6 in. Each kit features strong 3/16 in. laser-cut steel construction, quality hardware, and poly bump stops. Although notching of the factory frame is required, the kits do not require any cutting of your valuable bed reinforcement rails. UMI includes hardware and their exclusive inner support plate that doubles as an easy-to-use template. The C-notch kits are given a durable gloss black powdercoat for added protection and lasting good looks.
Not Yet Reviewed
$229.99
UMI Performance GM G-Body LSX Engine Mounts
Offering bolt-on convenience with the ability to upgrade your power plant, UMI Performance GM G-body LSX engine mounts allow you to install a LSX engine or reinforce an existing swapped engine. These mounts are machined from 1/4 in. steel and are MIG-welded for ultimate strength. They will mount the LSX engine to the G-body but, depending on your accessory applications, the crossmember may need alteration to properly fit with your A/C and certain oil pans.
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$149.99
UMI Performance Control Arm Relocation Brackets
UMI Performance control arm relocation brackets reposition your instant center by changing your lower control arm angle for improved traction. UMI Performance control arm relocation brackets lower the rear of the control arm by up to 3 in. and are a must for all lowered vehicles to correct lost suspension geometry. These relocation brackets have two settings to allow the lower control arm to be lowered either 2 in. or 3 in., depending on your preference. Settings are placed in a correct pattern that will allow for the use of all OEM control arms or any aftermarket control arm (brackets do not require a longer control arm).
( 38 )
$139.99
UMI Performance F-Body Frame Rail Braces
With modern high-grip tires, improved suspension, and big power, today's muscle car chassis need more help than ever. UMI Performance F-body frame rail braces improve chassis rigidity, reduce steering gear movement, and provide crisper handling. UMI pairs precision laser-cut brackets with strong tubing to reinforce the front frame sway bar mounting area. These direct bolt-in braces use existing hardware, require no cutting or welding, and are available in gloss black or UMI red. Features include: * 1.250 in. tubing * 3/16 in. laser-cut brackets * Race-proven * Requires no holes to be drilled. * Can be used with OEM sway bar bushings or aftermarket poly mounts * Installation time is approximately 20 minutes * Tested with factory sway bars and UMI sway bars * Check fitment for other aftermarket or custom sway bars
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$159.99
UMI Performance Leaf Spring Shackles
UMI Performance leaf spring shackle kits work with a variety of stock location leaf springs. These kits include bushings for both leaf and chassis side, Grade 8 hardware, and new laser-cut shackles. Polyurethane or Delrin provide a good ride quality with a performance improvement over stock rubber bushings; and the shackles are black powdercoated for improved looks and durability. UMI Performance leaf spring shackle kits are a great choice for street and performance use.
Not Yet Reviewed
$109.99
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
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$249.63
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$249.99
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
( 27 )
$207.95
UMI Performance 1978-88 GM G-Body Brake Conversion Brackets
UMI brake conversion brackets are designed to mount 1997-2013 C5 or C6 front calipers and rotors to the 1978-88 GM G-Body factory spindle. Conversion brackets are CNC laser-cut from 3/8 in. thick mild steel and feature a heavy-duty black powdercoat finish. Each kit includes Grade 10.9 mounting hardware and complete detailed installation instructions. The instructions include a detailed list of GM part numbers needed to complete the brake grade upgrade. Note, 17 in. wheels are needed for C5 brakes, and 18 in. wheels for C6. As with all UMI Performance products, these brackets are 100 percent manufactured, tested, and raced out of Philipsburg, PA. Additional details: * Adapts C5/C6 caliper to factory spindle. Slight modification of spindle required * Uses turned down GM G-body hub/rotor or Wilwood 270-12304 * Fits Wilwood SLC56 caliper * Beautiful gloss black powdercoat * Grade 10.9 mounting hardware * Track-tested in brutal conditions
Not Yet Reviewed
$119.99
UMI Performance On-Car Single Adjustable Panhard Bars
UMI Performance on-car single adjustable panhard bars control the side-to-side movement of the rear-end under the vehicle. The flex and bushing deflection found with the factory panhard bar lead to erratic handling and tire rubbing under hard loads. UMI Performance on-car single adjustable panhard bars use polyurethane bushings and a heavy-duty spherical rod end and are constructed from large 1.250 in. diameter tubing. Adjustable panhard bars are a must for rear-end centering after vehicle lowering, as well as clearance for running larger tires. The supplied rod end allows for adjustments on the car to quickly lengthen or shorten the panhard bars--they do not need to be removed to make adjustments. The spherical rod end/polyurethane bushing combination eliminates most rear-end bind, while not sacrificing your ride quality. These panhard bars are an excellent improvement for your street or drag application and they are also lighter then the factory panhard bars!
( 30 )
$149.99
Clearance
UMI Performance Street Performance Monotube Front Shocks
UMI Street Performance monotube front shocks are designed to bridge the gap between basic street shocks and aggressive racing shocks. Medium-firm compression valving provides crisp handling and absorbs bumps, while still providing a comfortable ride. The ramped up rebound curve slows body roll during transition and gets rid of that unwanted floating feeling. A high-pressure nitrogen charge prevents shock fade during hard cornering and further increases performance. UMI Performance monotubes feature race-proven technology with street-friendly valving. These shocks are suitable for street, corner carving, Pro-Touring, and non-competition drag racing. Additional product details: * Slim body for easy fitment and race-proven construction for durability * Nitrogen-charged monotube * Comfortable compression valving * Ramped up rebound valving
Not Yet Reviewed
$179.99
$129.50
