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Chassis & Suspension

Car & Truck Chassis & Suspension Parts

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Car & Truck Chassis & Suspension Parts

Welcome to the home of great handling and ride quality! We stock a huge assortment of car and truck chassis and suspension parts like shocks, struts, and coil and leaf...

Welcome to the home of great handling and ride quality! We stock a huge assortment of car and truck chassis and suspension parts like shocks, struts, and coil and leaf springs, so whether you want a smooth street ride, responsive race handling, or rugged off-road control, you can find all the parts you need for your suspension upgrades here. We have complete lowering kits for a road-hugging sport stance, and lift kits to accommodate massive tires and greater suspension travel. Summit also has steering components, sway bars, frame rails and connectors, tie rods, wheelie bars, and wheel tubs, plus engine, transmission, and...

Welcome to the home of great handling and ride quality! We stock a huge assortment of car and truck chassis and suspension parts like shocks, struts, and coil and leaf springs, so whether you want a smooth street ride, responsive race handling, or rugged off-road control, you can find all the parts you need for your suspension upgrades here. We have complete lowering kits for a road-hugging sport stance, and lift kits to accommodate massive tires and greater suspension travel. Summit also has steering components, sway bars, frame rails and connectors, tie rods, wheelie bars, and wheel tubs, plus engine, transmission, and suspension mounts and bushings.

Part Groups

Results 1 - 24 of 24

Holley 2017-2025 2-Door Can-Am X3 Performance Packages

Holley offers performance packages for 2017-2025 2-door Can-Am Maverick X3 models, designed to enhance power, handling, and safety for all your off-road adventures. Each package is expertly curated with top-tier aftermarket parts from the most trusted names in the industry, including XDR, Simpson, ADS Racing Shocks, and more. No guesswork. No compromises. Just proven upgrades designed to transform your UTV into a trail-dominating machine. Whether you're a weekend warrior or a hardcore off-road enthusiast, Holley's UTV Performance Packages can give you the confidence to push further, ride harder, and perform better! Features and benefits: * High-flow intake and exhaust systems—boost horsepower and torque with improved airflow and aggressive sound * Performance suspension upgrades will allow you to tackle the toughest terrain with smoother rides, better control, and more travel * Seats and harnesses—stay safe and locked in when the ride gets rough * Premium seating and multi-point harness systems keep you secure and comfortable through high-speed runs, sharp turns, and uneven terrain * Bulletproof durability components—built to withstand harsh conditions, extreme use, and everything the trail throws your way * Each kit is engineered for easy installation, so you can spend less time in the garage and more time exploring

Not Yet Reviewed

$11,854.95

Holley 2017-2025 4-Door Can-Am X3 Performance Packages

Holley offers performance packages for 2017-2025 4-door Can-Am Maverick X3 models, designed to enhance power, handling, and safety for your off-road adventures. Each package is expertly curated with top-tier aftermarket parts from the most trusted names in the industry, including XDR, Simpson, ADS Racing Shocks, and more. No guesswork. No compromises. Just proven upgrades designed to transform your UTV into a trail-dominating machine. Whether you're a weekend warrior or a hardcore off-road enthusiast, Holley's UTV Performance Packages can give you the confidence to push further, ride harder, and perform better! Features and benefits: * High-flow intake and exhaust systems—boost horsepower and torque with improved airflow and aggressive sound * Performance suspension upgrades will allow you to tackle the toughest terrain with smoother rides, better control, and more travel * Seats and harnesses—stay safe and locked in when the ride gets rough * Premium seating and multi-point harness systems keep you secure and comfortable through high-speed runs, sharp turns, and uneven terrain * Bulletproof durability components—built to withstand harsh conditions, extreme use, and everything the trail throws your way * Each kit is engineered for easy installation, so you can spend less time in the garage and more time exploring

Not Yet Reviewed

$13,402.95

On Sale

ARB On-Board High Performance Twin Air Compressors

Compact, vehicle-mounted ARB on-board high performance twin air compressors are designed to do everything! Activate your ARB Air Locker differentials, air up a 35 in. tire in less than a minute. and run air tools. These 100 percent duty cycle (under room temperature conditions) compressors are built to support all of your compressed air needs including the high-volume airflow needs of most air-powered tools. Features of ARB on-board high performance twin air compressors include: * Constructed primarily of lightweight, high-strength, engineering-grade materials, including military and aerospace-grade components * Pressure switch-controlled air manifold system regulates pressure * Highest air flow rate and high-efficiency design minimizes power consumption * Sealed components for moisture and dust resistance * Hard-anodized cylinder bores and PTFE-impregnated carbon fiber piston seals for reduced friction and maximum life * Ducted, sealed, brushless DC cooling fan and anodized motor mount brackets effectively dissipate heat from the motors, heads, and electronics * Anti-vibration, sound-deadening mount * Relocatable, splash-resistant air filter assemblies for cleaner, cooler air supply and versatile water-resistant air intake positioning * High-density and high-flow washable sintered bronze air filter elements * Full wiring loom included for simplified installation and easy plug-in connectivity to Air Locker control solenoids (requires Air Locker manifold kit ARB-171503, sold separately, to mount solenoids) * Dual, heavy-duty Maxi-Fuses for in-line circuit protection and true circuit redundancy in case of a fault * Ball bearing-equipped motor (no bushings) with unique, linear brush, pre-load system for long life, low heat, and quiet operation * Motors are internally thermal-protected against extreme temperature damage * Compressor pistons equipped with a heavy-duty, European-made cylindrical roller bearing * Over-pressure safety valve-equipped * Sealed, illuminated, automotive-grade dash switch included * Fully serviceable, replacement parts available * EMF-suppressed for use in proximity to sensitive electronic equipment * CE and C-Tick compliant * Engineered, built, and individually dyno-tested in Australia

5.0 out of 5 stars ( 4 )

$659.95

$1,076.75


$593.96

$969.08

On Sale

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

4.29 out of 5 stars ( 35 )

$169.99

$349.99


$152.99

$314.99

VIAIR 450C Series Air Compressors

VIAIR 450C Series air compressors work with a low-amp draw. Intended to fill air tanks, most 450C compressors are equipped with a stainless steel braided leader hose and a check valve to keep the compressor from restarting under pressure. This helps avoid an amp draw spike that can cause motor damage. Keep your air tank protected and running optimally with VIAIR 450C Series air compressors. Features include: * Thermal overload protector * Mounting hardware * Vibration isolators * Check valve * Stainless steel braided leader hose * Air line for remote mount air filter * Remote mount air filter assembly * Two replacement air filter elements * Installation instructions * Available 12 V and 24 V models * Permanent magnetic motor * Duty cycle: 100 percent at 100 psi * Maximum air tank size: 5.0 gallons * 1/4 in. NPT intake port * Ingress Protection Rating: IP67 * Dimensions: 10.6 in. L x 4 in. W x 6.87 in. H * Net weight: 10.80 lbs.

Not Yet Reviewed

$389.25

VIAIR 90 Series Air Compressors

Are you in need of a light-duty air compressor for your street rod or off-road vehicle? If so, these VIAIR 90 Series air compressors are the perfect solution. These compressors are meant to fill up to a one gallon air tank and are available in several mounting styles, finishes, intake options, and power levels. These VIAIR 90 Series air compressors are sure to fill all of your light-duty air compressor needs, whether you're traveling on or off-road.

4.83 out of 5 stars ( 12 )

$106.95

$121.25

Caspers Electronics Camshaft Position Sensor Adapter Harnesses

Caspers Electronics camshaft position sensor adapter harnesses allow the cam sensor used on the front of a LS2 motor to be plugged into the LS1 cam sensor connection located at the back of the intake manifold. These harnesses are perfect for LS2 motor conversions—and are compatible with the PCM harness in LS1 Corvette and F-Body cars. They are fully plug-and-play with factory connector and sensor. The high-temperature nylon loom remains flexible, while not melting sitting on top of the motor.

3.57 out of 5 stars ( 7 )

$24.79

BBK Gripp Tubular Strut Tower Braces

BBK Gripp tubular strut tower braces are designed to eliminate unwanted front chassis flex and improve handling. Their super-strong tubular steel design reduces cowl flex by up to 40 percent, without sacrificing ride quality. They come in your choice of a polished chrome or black powdercoated finish, and are designed to clear many aftermarket intake manifolds. With the included OEM-style stamped brackets, they'll install quickly and easily without modifications.

4.4 out of 5 stars ( 5 )

$209.99

$269.99

Kleinn Medium-Duty Onboard Air Systems

Kleinn medium-duty onboard air systems offer higher pressure and capacity—which means a longer, louder blast of your horns! These kits have many features that simplify installation and prolong the life of the product. The compressor bodies are sealed and moisture/dust-resistant to make installation on the exterior no problem. The steel air tank has five ports and is configured so that no matter how you mount it, there is always a drain port available on the bottom. They also include a "snorkel system" for remote intake mounting. Find out why Kleinn Automotive Accessories are a leader in air horn and related pneumatic accessories for cars, trucks, SUVs, and everything else with a 12- or 24-volt power source when you order Kleinn medium-duty onboard air systems. More product features, items, and specifications include: * Compressor model 6275RC (150 psi) * Remote-mount air filter housing with element (plus one replacement filter) * Heavy-duty, heat-resistant, stainless steel braided leader hose with built-in check valve, mounting brackets, and hardware * Only compressor orientation not recommended is upside-down * Black epoxy 1.5-gallon air tank with five 1/4 in.-NPT ports * Pressure switch (1/4 in.-NPT; 110 psi on/145 psi off) * Safety valve (1/4 in.-NPT; 170 psi) * Compression fitting (1/4 in.-NPT) * Drain cock (1/4 in.-NPT)

Not Yet Reviewed

$349.95

Kleinn Horn Air Compressors

Kleinn air compressors provide the means for your air horns, to be loud and proud. Many of these models are equipped with thermal overload protection and feature the Kleinn snorkel system—a remote air filter intake system that extends the life of the compressor by providing clean, dry air no matter where the compressor is mounted. Find out why Kleinn Automotive Accessories are a leader in air horn and related pneumatic accessories for cars, trucks, SUVs, and everything else with a 12- or 24-volt power source when you order the Kleinn horn air compressors best suited for your ride. More product features, items, and specifications may include: * Permanent magnet 12 V motor * Mounting hardware—nuts, bolts, washers * Mountable in most directions except for upside down * Remote intake "snorkel system" for air filter with stainless steel braided leader hose and check valve * Sealed, oil-less compressor (do not touch during or shortly after operation as the compressor, fittings, and hose will be very hot) * Duty cycle at 72 degrees F (100 psi) – 10 percent * Maximum 14 amps and 120 psi * Flow rate at 0 psi (13.8 V) – 1.15 cfm * Not for continuous use like a tire inflator and should only be used while vehicle is running * Installation instructions

5.0 out of 5 stars ( 1 )

$109.95

VIAIR 325C Series Air Compressors

VIAIR 325C Series air compressors work with a low-amp draw. Intended to fill air tanks, most 325C compressors are equipped with a stainless steel braided leader hose and a check valve to keep the compressor from restarting under pressure, which can create an amp draw spike and cause motor damage. The air compressors are available in a variety of power options. VIAIR 325C air compressors features and specifications: * Thermal overload protector * Mounting hardware * Vibration isolators * Check valve (not on 32534 model) * Stainless steel braided leader hose (not on 32534 model) * Air line for remote mount air filter * Remote mount air filter assembly * Two replacement air filter elements * Installation instructions * Available 12 V and 24 V * Permanent magnetic motor * Duty cycle: 33 percent at 100 psi * Maximum working pressure: 150 psi * Maximum air tank size: 5.0 gallon * Maximum 12 V amp draw: 21 amps * Maximum 24 V amp draw: 13 amps * 1/4 in. NPT intake port * Ingress Protection Rating: IP67 * Dimensions: 8 in. L x 4 in. W x 6.75 in. H * Net weight: 7.5 lbs.

Not Yet Reviewed

$259.99

$309.50

Kleinn Waterproof Air Compressors

Kleinn submersible air compressors provide the means for your air horns, to be loud and proud even in wet environments. Many of these models are equipped with thermal overload protection and feature the Kleinn snorkel system—a remote air filter intake system that extends the life of the compressor by providing clean, dry air no matter where the compressor is mounted. Find out why Kleinn Automotive Accessories are a leader in air horn and related pneumatic accessories for cars, trucks, SUVs, and everything else with a 12- or 24-volt power source when you order the Kleinn waterproof horn air compressors best suited for your ride. More product features, items, and specifications may include: * Mounting hardware—nuts, bolts, washers * Mountable in most directions except for upside down * Remote intake "snorkel system" for air filter with stainless steel braided leader hose and check valve * Sealed, oil-less compressor (do not touch during or shortly after operation as the compressor, fittings, and hose will be very hot) * Assorted fittings and leader hose bracket clip * Replacement air filter elements (2) * Duty cycle at 72 degrees F (100 psi) – 25 percent (6270RC); 50 percent (6275RC); 100 percent (6350RC and 6450RC) * Maximum amps and psi – 20 A/150 psi (6270RC and 6275RC); 21 A/150 psi (6350RC); 23 A/200 psi (6450RC) * Flow rate at 0 psi (13.8 V) – 1.9 cfm (6270RC); 1.7 cfm (6275RC); 2.0 cfm (6350RC and 6450RC) * Not for continuous use like a tire inflator and should only be used while vehicle is running * Installation instructions

Not Yet Reviewed

$159.95

$299.95

Holley 2018-2021 2-Door Polaris RZR Performance Packages

Holley offers performance packages for 2018-2021 2-door Polaris RZR Turbo S models, designed to enhance power, handling, and safety for your off-road adventures. Each package is expertly curated with top-tier aftermarket parts from the most trusted names in the industry, including XDR, Simpson, ADS Racing Shocks, and more. No guesswork. No compromises. Just proven upgrades designed to transform your UTV into a trail-dominating machine. Whether you're a weekend warrior or a hardcore off-road enthusiast, Holley's UTV Performance Packages can give you the confidence to push further, ride harder, and perform better! Features and benefits: * High-flow intake and exhaust systems—boost horsepower and torque with improved airflow and aggressive sound * Performance suspension upgrades will allow you to tackle the toughest terrain with smoother rides, better control, and more travel * Seats and harnesses—stay safe and locked in when the ride gets rough * Premium seating and multi-point harness systems keep you secure and comfortable through high-speed runs, sharp turns, and uneven terrain * Bulletproof durability components—built to withstand harsh conditions, extreme use, and everything the trail throws your way * Each kit is engineered for easy installation, so you can spend less time in the garage and more time exploring

Not Yet Reviewed

$3,844.95

Holley 2018-2021 4-Door Polaris RZR Performance Packages

Holley offers performance packages for 2018-2021 4-door Polaris RZR Turbo S models, designed to enhance power, handling, and safety for your off-road adventures. Each package is expertly curated with top-tier aftermarket parts from the most trusted names in the industry, including XDR, Simpson, ADS Racing Shocks, and more. No guesswork. No compromises. Just proven upgrades designed to transform your UTV into a trail-dominating machine. Whether you're a weekend warrior or a hardcore off-road enthusiast, Holley's UTV Performance Packages can give you the confidence to push further, ride harder, and perform better! Features and benefits: * High-flow intake and exhaust systems—boost horsepower and torque with improved airflow and aggressive sound * Performance suspension upgrades will allow you to tackle the toughest terrain with smoother rides, better control, and more travel * Seats and harnesses—stay safe and locked in when the ride gets rough * Premium seating and multi-point harness systems keep you secure and comfortable through high-speed runs, sharp turns, and uneven terrain * Bulletproof durability components—built to withstand harsh conditions, extreme use, and everything the trail throws your way * Each kit is engineered for easy installation, so you can spend less time in the garage and more time exploring

Not Yet Reviewed

$5,351.95

Kleinn Compressor Upgrade Kits

Kleinn compressor upgrade kits get you inflated twice as fast. These kits add a second 6450RC waterproof air compressor and remote connect tire inflator. Each Kleinn kit includes the necessary air line, fittings, and a compressor wiring kit with relay. Want to air up faster? Upgrade your onboard air kits with Kleinn compressor kits. Specifications: * Waterproof air compressor is fully submersible * Rated 100 percent duty cycle at 100 psi * 150 psi maximum output * 20 amp max draw * Rated for use with up to 5 gallon tank * Flow rate: 2.0 cfm at 0 psi Included: * 6450RC waterproof air compressor * Remote mount airline connection * Quick-connect tire inflator with 30 ft. hose, locking air chuck, and storage bag * Remote air intake "Snorkel System" * Two replacement air filter elements * Wiring harness with relay * Installation instructions

Not Yet Reviewed

$349.95

Kleinn Light-Duty Onboard Air Systems

Kleinn light-duty onboard air systems offer higher pressure and capacity—which means a longer, louder blast of your horns! These kits have many features that simplify installation and prolong the life of the product. The compressor bodies are sealed and moisture/dust-resistant to make installation on the exterior no problem. The steel air tank has five ports and is configured so that no matter how you mount it, there is always a drain port available on the bottom. They also include a "snorkel system" for remote intake mounting. Find out why Kleinn Automotive Accessories are a leader in air horn and related pneumatic accessories for cars, trucks, SUVs, and everything else with a 12- or 24-volt power source when you order Kleinn light-duty onboard air systems. More product features, items, and specifications include: * Compressor model 6270RC (150 psi) * Remote-mount air filter housing with element (plus two replacement filters) * Heavy-duty, heat-resistant, stainless steel braided leader hose with built-in check valve, mounting brackets, and hardware * Only compressor orientation not recommended is upside-down * Black epoxy 1.0-gallon air tank with five 1/4 in.-NPT ports * Pressure switch (1/8 in.-NPT; 100 psi on/130 psi off) * Safety valve (1/4 in.-NPT; 145 psi) * Compression fitting (1/4 in.-NPT) * Drain cock (1/4 in.-NPT) * Hex Reducer (1/4 in. male x 1/8 in. female)

Not Yet Reviewed

$269.95

Kleinn Heavy-Duty Onboard Air Systems

Kleinn heavy-duty onboard air systems are offered in both 12 V and 24 V versions. They can power your air horns and other accessories, as well as air bags and small air tools. These systems include a 3-gallon air tank, 150 psi compressor, and a quick-connect tire inflation kit. The compressors are sealed against the elements and the steel tanks are internally coated with Cortec and epoxy coated on the outside for lasting corrosion resistance that works as good as it looks. Find out why Kleinn Automotive Accessories are a leader in air horn and related pneumatic accessories for cars, trucks, SUVs, and everything else with a 12- or 24-volt power source when you order Kleinn heavy-duty onboard air systems. More product features, items, and specifications include: * Compressor with 100 percent duty cycle and check valves (6350RC; 150 psi) * Permanent magnetic motor on 24 V system * Maximum pressure – 150 psi * Rating for cfm at 0 psi – 1.17 (6350) and 1.98 (6354) * Amp draw – 21 (6350) and 12 (6354) * Thermal protection * Black epoxy steel air tank (3-gallon; 21 in. long x 8 in. wide x 10 in. tall) * Pressure switch settings - 110/145 psi (on/off) * Safety valve - 175 psi * Drain cock (1/4 in.-NPT) * Compression fitting (1/4 in. NPT) * Intake "Snorkel System" with remote-mount filter * Mounting brackets and hardware * Quick-connect tire inflation kit with 30 ft. coil hose, tire chuck, and storage case

Not Yet Reviewed

$529.95

Instant Rebate

QA1 Strut Tower Braces

QA1 strut tower braces allow the substructure of the chassis to be fully triangulated. This amounts to more precise steering input, better alignment, and reduced flexing for the ultimate in cornering power and control. They're made from high-quality steel tubing and are black powdercoated for good looks and corrosion resistance.

Not Yet Reviewed

$188.96

Kleinn Direct-Fit Onboard Air Systems

Kleinn Direct-Fit Onboard Air systems are a perfect fit to your Jeep, truck, SUV, or UTV. They are designed to fit seamlessly on your vehicle without the need to drill holes or modify your vehicle, resulting in a quick and easy installation with a factory add-on look. Most direct-fit kits include Kleinn's exclusive high-output waterproof air compressor, a Cortec coated all-steel air tank with black epoxy finish, and powdercoated vehicle-specific mounting brackets. They may also include a quick-connect tire inflator with storage bag and hardware, air line, wiring, and detailed instructions. Check product attributes for exact features as components do vary per kit.

Not Yet Reviewed

$729.95

On Sale

BMR Strut Tower Braces

Most stock chassis flex dramatically, even with mild amounts of torque and horsepower. BMR suspension strut tower braces reduce chassis flex and increase handling and performance. They are manufactured from a mix of large diameter DOM steel tubing and thick laser-cut steel plate. Depending on the application, they are available in two-point and four-point designs that solidly link the front strut towers, adding strength to the entire front unibody and suspension. Most are available in black hammertone and red powdercoat finishes for long-lasting good looks. BMR strut tower braces are 100 percent bolt-in. This means they can be easily installed with simple hand tools, and no welding is required. Installation time is typically less than an hour. When performance is a must, rely on BMR Suspension!

4.65 out of 5 stars ( 168 )

$129.95

$249.95


$116.96

$224.96

On Sale

UMI Performance Shock Tower Braces

UMI Performance shock tower braces make a great beginning for modifying your favorite ride. These braces positively connect your front right and left shock towers together for firmer handling and improved steering response. Constructed in the USA, UMI shock tower braces are available in DOM mild steel tubing with CNC-machined mounting plates. Or, if you're worried about adding front end weight, choose UMI's just as strong but lighter weight 4130 chromoly steel tubing braces. Both choices are given a brilliant and durable powdercoat finish in several colors. Beef up your chassis and get ready to hit the winding roads with UMI Performance shock tower braces.

4.88 out of 5 stars ( 52 )

$159.99

$199.99


$143.99

$179.99

On Sale

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.

4.5 out of 5 stars ( 32 )

$239.99


$215.99

Hotchkis Sport Suspension Lowering Coil Springs

Are you looking for an easy way to drop your vehicle's ride height? If so, you will need some of these coil springs from Hotchkis Sport Suspension. Hotchkis Sport Suspension lowering coil springs increase handling, while providing an OEM-style ride. They're made from high-quality chrome silicon steel and are powdercoated in a gray finish for long-lasting good looks and corrosion resistance.

4.49 out of 5 stars ( 124 )

$359.10

Unity Automotive Air Ride Compressors

Unity Automotive air ride compressors can help restore your vehicle's handling and ride quality. These on-board OEM-designed fully assembled air supply devices are engineered and rigorously tested to assure fitment, durability, and performance. Your suspension air springs need a compressor supply that's reliable. Order the replacement model recommended for your application.

Not Yet Reviewed

$316.99

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