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...

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Results 1 - 24 of 187

Metro Moulded Spring Insulators

New rubber for your springs! Metro Moulded spring insulators are formulated in the USA to be high-quality OE replacements. Rubber is rubber, right? Wrong. Metro uses their years of expertise and knowledge to create dense, jet black rubber that accurately suits the function of spring insulators. They'll quiet your ride, support and protect your springs, and renew the performance of your vehicle. Reproduction rubber detailed for the right fit, function, and appearance--Metro Moulded spring insulators.

3.94 out of 5 stars ( 35 )

$18.99

Air Lift Ride Control Kits

Air Lift Ride Control kits use air sleeves that mount between your spring and frame to compensate for heavy loads. They're ideal for hauling boats, travel trailers, and jet skis, for towing motorcycle and snowmobile trailers, and for vehicles equipped with snowplows. Engineered for an easy installation in two hours, mounting without modification, and handling loads up to 2,000 lbs., they come complete with air sleeves, lines, brackets, hardware, and instructions. Air Lift Ride Control kits are available for most popular Chevy, GMC, Dodge, and Ford trucks.

4.72 out of 5 stars ( 86 )

$428.99

Eddie Marine Billet Aluminum Engine Angle Mounts

Eddie Marine billet aluminum engine angle mounts are commonly used in Sterndrive and late model Jet applications for supporting the front mounts. Manufactured from billet aluminum, these black powdercoated motor mount supports come in two sizes to be compatible for various installations. They mount on your boat's stringer and accept a Mercruiser-style motor mount.

Not Yet Reviewed

$60.95

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$89.95

All Balls Racing Fork Seal Kits

All Balls Racing fork seal kits convey less stiction for longer seal life. These patented elastomer seals feature a balanced 3-lip design to evenly distribute pressure that will reduce temperatures, wear, and friction. The stiction (static friction) has been measured from 1/3 to 1/2 less than OEM seals, while their typical service life has increased. Fork seal kits are available for a variety of bikes, from the 1950s and up; order the model recommended for your application.

4.0 out of 5 stars ( 1 )

$18.24

Progressive Suspension 412 Series Shocks

If you're looking for the best-selling aftermarket shocks in the USA, look no further! Progressive Suspension 412 Series shocks feature a double-walled steel body and 5-position preload adjustment--and they're gas-charged! These shocks are available for a wide variety of twin-shock motorcycles and they come fully assembled and ready to mount! Progressive Suspension 412 Series shocks will have your motorcycle riding in top-notch performance and style.

4.6 out of 5 stars ( 10 )

$379.95

Progressive Suspension 444 Series Shocks

Every product line has a "best of the best," and these Progressive Suspension 444 Series shocks are just that! They're designed utilizing F.S.T. (frequency sensing technology), which separates wheel movement from chassis movement—and can dynamically adjust dampening as you ride. The shocks are wrapped with a proven progressive rate spring around a state-of-the-art damper with machined billet aluminum end caps. They feature top-mount threaded preload adjusters that allow for fine-tuning with a simple twist of the cap. Perfect for stock or lowering your bike, Progressive Suspension 444 Series shocks are available in a variety of lengths, spring rates, and finishes.

5.0 out of 5 stars ( 1 )

$781.95

EPAS Performance Electric Power Steering Kits

EPAS Performance electric power steering kits provide modern power steering for your classic car. These performance systems are available to outfit a wide range of vintage and classic vehicles from 1920-1980. An easy step-by-step installation manual is available online for each of the kits that EPAS offers. There is no major or irreversible modifications made to your vehicle, as everything is located under your dash and is almost, if not completely, invisible. How the systems work: The computer measures the amount of effort on the steering wheel and amplifies it with the aid of the electric motor. A potentiometer allows you to have more or less assistance, so you can adjust the amount of power assist. For example, you can have maximum power assist while on a parking lot, and less on the highway. Select the EPAS Performance electric power steering kit for your application needs. EPAS Performance electric power steering kits include: * Electric motor unit * Mounting hardware * Prewired control module * Some kits may also be available with steering columns

3.83 out of 5 stars ( 23 )

$1,735.99

All Balls Racing Fork Bushing Kits

All Balls Racing fork bushing kits have everything you need to completely rebuild your forks. They contain all of the bushings and seals you need to rebuild your forks, and the fit and quality are perfect. Smooth out your suspension and make the handling feel better.

5.0 out of 5 stars ( 3 )

$50.56

QA1 Stocker Star Shocks

Want to improve the performance of your ride, without a major hassle? QA1 Stocker Star shocks could be your answer. They're lightweight, fully adjustable, and bolt right in. They rely on deflective-disc valving and have 18 levels of damping, which you can select at the twist of a knob—with the shocks in place on the vehicle. Stocker Stars have 5/8 in. hard-chromed centerless-ground piston rods, double-lip wiper seals, and one-piece, forged, machined-aluminum bodies that are bright-anodized for great looks and durability. Each shock is dyno-tested for consistency and comes with chrome or zinc plated mounting hardware. Order the model recommended for your vehicle application.

4.79 out of 5 stars ( 346 )

$214.95

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$314.95

KYB Gas-a-Just Shocks and Struts

KYB Gas-a-Just shocks use higher gas pressure to keep your tires glued to the road. The velocity-sensitive valving system adjusts quickly to changing road conditions for maximum comfort in any situation. Their monotube configuration eliminates aeration and foaming, while micro-smooth, hard-chromed pistons extend their life. Seamless cylinders and eye-rings completely eliminate seam failures. These replacement shock absorbers are available for vehicles as far back as the 1940s. Order the model recommended for your application.

4.68 out of 5 stars ( 1076 )

$49.92

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$55.98

Scott Drake Performance Rear Leaf Springs

Scott Drake manufactures these premium leaf springs using high-quality steel to ensure a smooth, stable ride for years to come. Scott Drake offers a large selection of performance leaf springs in both 4 1/2 and 5-leaf versions to suit any driver, on or off the track. For performance rear leaf springs that won't break the bank, rely on Scott Drake.

4.69 out of 5 stars ( 61 )

$159.95

Summit Racing™ Rear Leaf Springs

Saggy, old springs can ruin your ride. Restore factory-fresh handling with stock-height rear leaf springs from Summit Racing™. They will fit and perform just like the originals, making the install easier and your ride quality like-new. Select the rear leaf springs designed for your vehicle.

4.02 out of 5 stars ( 55 )

$134.99

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$159.99

Lares Steering Couplers

Lares offers steering couplers for thousands of applications from the 1950s and up. These replacements are carefully engineered to OE specifications. All units are shipped complete with lower casting, rubber disc, and mounting bolts—already assembled for easy, trouble-free installation. Order the model recommended for your specific vehicle.

4.53 out of 5 stars ( 87 )

$23.99

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$39.99

RideTech HQ Coilover Kits

RideTech HQ coilover kits are designed with handling performance and ride quality in mind. They feature impact-forged aluminum threaded body monotube, gas-pressurized shocks that have been clear anodized for corrosion protection. Other features include: oversized rod guides for maximum strength and durability; Delrin coilover spring washers for easy spring retainer adjustments; stainless steel mounting brackets; and CNC-machined billet hardware. The shocks include Hyperco springs (made with high-tensile premium cold-wound steel) that have a durable powdercoat finish. The unique pinch-clamp height adjusters offer finer threads for easy height adjustment. Order the kit designed for your specific vehicle.

4.79 out of 5 stars ( 14 )

$840.00

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$990.00

Gabriel HiJackers Air Shocks

Gabriel HiJackers air shocks are the original air-adjustable shocks designed to provide customizable performance and support. They can be adjusted and readjusted to maintain proper ride height—and handle any of your temporary towing or hauling needs, including boats and campers. Hijackers feature chrome plated piston rod construction and deluxe wiper seals that provide optimum sealing. Dozens of models are available, covering thousands of applications.

4.56 out of 5 stars ( 613 )

$127.99

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$151.99

Borgeson Power Steering Pump Upgrade Kits

You'll be steering more efficiently with Borgeson power steering pump upgrade kits. They feature an improved pump, mounting bracket, and pulley for correct belt alignment. Gain improved steering feel for a better driving experience when you order the Borgeson power steering pump upgrade kit designed for your application.

4.08 out of 5 stars ( 84 )

$286.64

Koni Sport Shocks and Struts

Sport shocks and struts from Koni are carefully designed to provide exceptional road-holding and handling properties, combined with an acceptable level of comfort. They offer responsive steering and cornering, improved body control, and limited body movements when braking and accelerating, resulting in a direct feel and excellent wheel-road contact.

4.7 out of 5 stars ( 81 )

$195.54

Scott Drake Original 4-Leaf Springs

Help lift your sagging rear-end with Scott Drake! Scott Drake manufactures these premium leaf springs using high-quality steel to ensure a smooth, stable ride for years to come. They feature OEM-style clamps, correct hot cupped ends, anti-squeak pads, and front eye bushings installed.

4.54 out of 5 stars ( 26 )

$124.95

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$134.95

Lares New Power Steering Slave Cylinders

Lares engineers their new (not remanufactured) power steering slave cylinders to meet or exceed OE specifications. Each unit is hydraulically tested, and the ball joints are lubricated with high-quality grease to ensure original fit and performance. Models are available for hundreds of vehicles from the 1950s, '60s, '70s, and '80s. Order the replacement steering slave cylinder recommended for your application.

4.58 out of 5 stars ( 12 )

$195.99

RideTech HQ 7000 Series Shockwave Air Shocks

RideTech HQ 7000 Series Shockwave air shocks feature a completely redesigned internal area, single-adjustable shock valving, and an impact forged body and monotube design for superior ride quality and durability. They also have easy and precise valve adjustment with 24 rebound clicks. So, if you're looking for some high-quality suspension parts for your ride, RideTech HQ 7000 Series Shockwave air shocks have you covered.

4.2 out of 5 stars ( 5 )

$945.00

KYB Excel-G Gas Shocks and Struts

KYB Excel-G gas shocks and struts restore original handling and control capabilities. These nitrogen, gas-charged, twin-tube designs have earned an OEA (Original Equipment for the Aftermarket) classification, and KYB offers a huge selection of Excel-G gas shocks to service or upgrade thousands of popular cars, trucks, SUVs, and CUVs applications. Comfort is important, but ride control, as well as stability, stopping, and lane change responsiveness is critical. KYB Excel-G shocks and struts are designed to cover all these performance purposes. Features and benefits: * Vehicle specific, hand assembled in-house damping valves * Ultra-smooth triple chrome plated chrome piston rods reduce seal wear * Multi-lip, synthetic oil seal and wiper engineered to keep fluid in and contaminants out * Seamless, extruded steel tubing in the inner cylinders, and PTFE band around the piston for a positive seal * Restores designed stability * ESC (Electronic Stability Control) and electronic safety systems ready * Helps prolong tire life * Improves stopping distance * Helps maintain wheel alignment

4.69 out of 5 stars ( 805 )

$31.62

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$42.59

QA1 Pro Coilover Systems

QA1 Pro coilover systems are engineered from the ground up to offer unmatched performance over stock suspension setups. Pro coilover systems utilize adjustable and non-adjustable coilover shocks and springs designed specifically for replacing the factory shocks and springs. This combination offers ride height adjustment and variable position valving adjustment (where applicable) for performance not found in other kits. Choose QA1 Pro coilover systems for your next suspension upgrade.

4.82 out of 5 stars ( 348 )

$854.95

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$1,079.95

Borgeson Ford Car Power Steering Conversion Boxes

Borgeson offers Ford car power steering conversion boxes for your midsize or full size car. The gearboxes provide true modern power steering feel and feedback. They bolt directly to the factory mounting location and fit the stock steering linkage without any interference or modification of the shock tower. Models are available for thousands of Ford applications from the 1940s thru the 1980s.

4.06 out of 5 stars ( 53 )

$518.81

Summit Racing™ Rear Lowering Leaf Springs

Summit Racing™ offers rear lowering leaf springs for a wide range of vehicles, from the 1960s and up. These suspension enhancements can give your car, truck, or SUV a more aggressive stance with improved ride quality. The leaf springs are available for a variety of lowered heights; order the model recommended for your application.

4.27 out of 5 stars ( 37 )

$115.99

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$169.99

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