Truck & Car Suspension Parts & Kits

Summit Racing™ Complete Drum-to-Disc Brake Conversion Kits

Our Summit Racing™ complete front drum-to-disc brake conversion kits take the guesswork and high price tag out of building a braking system. The kits are available in standard and ultra versions (ultra versions include cross-drilled, slotted rotors and braided brake lines). Order the model recommended for your vehicle. Summit Racing™ complete brake conversion kits include: * Power brake booster * Master cylinder * Proportioning valve kit (where applicable) * Rotors * Calipers * Backing plates (where applicable) * Spindles or brackets to convert existing spindles (depending on application) * Brake hoses and banjo bolts (where applicable) * Bearings * Seals * Dust caps * Spindle nuts and washers * Installation hardware

4.28 out of 5 stars ( 40 )

$877.95

QA1 Level 2 Full Vehicle Handling Suspension Kits

QA1's handling suspension kits provide a full-vehicle upgrade that fits your needs. Available in three different levels of performance, you can build your car in stages, using QA1's parts list as a road map to get to the level of performance you want and have peace of mind knowing you won't have compatibility issues. Greater control and improved cornering are key benefits of QA1 Level 2 handling suspension kits. They're designed to boost performance and include a more extensive assembly of components than Level 1 kits. They offer easy bolt-on installation and full compatibility with the OEM parts you attach them to. All QA1 handling suspension kits are available with or without shocks and struts—giving you the flexibility to obtain the shocks or struts and spring rates you desire. Select the kit designed for your vehicle.

5.0 out of 5 stars ( 11 )

$2,000.95

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$9,020.95

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.

3.95 out of 5 stars ( 57 )

$119.99

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$164.99

QA1 GM 2.0 Street Control Arms

QA1 GM 2.0 Street control arms provide increased positive caster compared to OE arms and are among the lightest available. These arms feature a lower unsprung weight and improved performance without sacrificing durability. Each arm includes a QA1 integrated ball joint design which is stronger than OEM and rebuildable for tunability, providing long-term reliable service. These arms are designed with billet cross shafts for reduced weight and durability for the long haul. Double-sheer lower mounts are coil-over ready for a clean installation. QA1 GM 2.0 Street control arms look incredible and use no unsightly additional adapters! Form meets function with these newly designed arms that look and perform great without requiring painstaking restoring like factory stamped steel control arms.

4.72 out of 5 stars ( 25 )

$635.95

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$854.95

QA1 Rear Pro Coilover Conversion Systems

Here's an easy way to convert your stock rear suspension to a coilover suspension. You get everything you need with these QA1 Rear Pro coilover systems, from shocks to nuts and bolts, complete installation instructions, and even decals!

4.63 out of 5 stars ( 105 )

$688.95

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$1,109.95

QA1 1963-72 C10 Coilover Conversion Systems

Upgrade your classic truck to a modern driving feel and performance with QA1's 1963-1972 C10 coilover conversion systems. The kits come with everything you need to convert your C10's front end to coilovers and a tubular crossmember with rack-and-pinion steering. These systems are a great way to overhaul your suspension in one go, giving you adjustable ride height to achieve the perfect stance with up to 8 in. of drop—all while dialing in the ideal ride quality and performance for your application while reducing weight 140 lbs. over stock. Order the QA1 1963-72 C10 coilover conversion system recommended for your year/make and model vehicle. Product features and details: * Powered rack-and-pinion offers quicker steering and a tighter feel. Plus, increase steering angle when fitting larger wheels and tires, and improve geometry for enhanced drivability * Increased Ground Clearance: The crossmember and control arms make your undercab rails the truck's lowest point—new upper shock mounts increase travel for a great ride and performance, even at low ride heights * Adjustable Shock Valving: Double-adjustable shocks offer independent rebound and compression tunability—great for trucks that will see track time or drivers who really want to dial in ride quality on the street * Easy, Bolt-In Installation: The crossmember comes powder coated and ready to install—no need to cut or weld your frame—it easily locates the steering rack, and you can choose mounts (sold separately) for common engines * Modular Engine Mounts: Choose from modular engine mounts (sold separately) that allow you to reuse your existing transmission mount and driveshaft (kits are available for small block Chevy, big block Chevy and LS applications—DIY mounts are also available if you want to customize the location of your engine * Front Sway Bar: The optional front sway bar (sold separately) adds even more cornering capabilities—it reduces body roll and keeps your tires planted to give you more grip in the turns Fitment Notes: * If you already have QA1's coil-over system, you can find retrofit kits to use your existing components * Total drop range depends on wheel/tire fitment * Will require you to trim inner fenders * Engine mounts are year-range specific to maintain OE bellhousing location * Optimized bump steer settings require at least 18 in. wheels -- 18 in. wheels can run up to 6 in. of backspacing -- 20 in. wheels can run up to 7 in. of backspacing * Requires use of C10 spindles * May require different headers and oil pan (Stock SBC and BBC pans fit) * Steering shaft is not included * May require new power steering hoses depending on fittings, pump, and engine placement

5.0 out of 5 stars ( 5 )

$4,450.95

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$5,775.95

Air Lift WirelessONE 2nd Generation Control Systems

Air Lift WirelessONE 2nd generation control systems put the power in your hands—literally! And the redesigned systems are easier than ever to install! Systems are available with or without EZ Mount installation brackets. Inflate or deflate your air spring system with one touch of Air Lift WirelessONE 2nd generation control systems. NEW!: Air Lift is now offering the same trusted WirelessAIR kit to customers without a hand-held controller. The 73000EZ system utilizes a free smartphone app for wireless control. This new option will allow you to order and receive WirelessAIR kits with all the same functionality and less wait time. Air Lift WirelessONE 2nd generation control systems feature: * Single-path control: Left and right air springs are inflated/deflated equally * Wireless hand-held unit and new mobile app for convenient operation inside or outside your vehicle. Kits are also available without a hand-held controller—utilizing a free smartphone app instead for wireless control * Easy installation—no air lines to the cab * Three programmable, user-defined memory settings

4.68 out of 5 stars ( 28 )

$551.99

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$755.99

Ridetech Ford F-150 Suspension Lowering Kits

Ridetech Ford F-150 suspension lowering kits are front and rear packages offered for 4WD and 2WD models. They will lower your Ford up to 3 in. up front and 5.5 in. in the rear, turning your vehicle into a high performance muscle truck with better stance, handling, and ride quality. These Ridetech kits are 100 percent bolt-on, fully adjustable, and include everything you need to lower your Ford F150 platform. Features, benefits, and contents: * Lowered stance -- Adjustable ride height -- 3 in. front drop -- 5 in. rear drop * Improved ride quality and sharper handling * New tubular upper control arm provides camber and caster improvements at lower ride height to improve handling * Adjustable Ridetech/Fox shocks -- Coilover front/HQ Series rear -- Aluminum body -- Monotube/gas pressure -- Adjustable valving * Bolt-on installation -- No welding * Adjustable ride height -- Front coilovers adjustable spring seats -- Rear leaf shackles offer 2 in. of adjustment

3.67 out of 5 stars ( 3 )

$2,745.00

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.

4.81 out of 5 stars ( 350 )

$749.95

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$1,280.95

QA1 Proma Star Coilover Shocks and Struts

QA1 Proma Star externally adjustable coilover shocks and struts provide just the right combination of consistency, reaction, and durability for drag racing. They have special valving, which is designed to compensate for high shaft speed, while allowing for low shaft speed control. When combined with the 18 externally adjustable valve settings, they ensure an improved grip on the track from end to end. Other features include a bright-anodized aluminum body, PTFE-lined bearings or polyurethane bushings, a 5/8 in. centerless-ground chrome piston rod, and aerospace-caliber sealing materials.

4.84 out of 5 stars ( 180 )

$234.95

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$589.95

Van Steel Complete Trailing Arm Assemblies

Van Steel complete trailing arm assemblies are available with factory-style T-arms (no sway bar holes) or offset T-arms with spherical bearings. Additional contents include these new components: * Rotors * Spindles * Caliper mounting brackets * Bearing supports * Backing plates * Stainless steel parking brake hardware * Parking brake shoes * Bearings, seals, and races

4.0 out of 5 stars ( 3 )

$2,229.99

Arnott Coil Spring Conversion Kits

Arnott coil spring conversion kits are expertly designed to replace a vehicle's failing air suspension components with traditional steel springs. All of Arnott's coil springs are constructed from U.S. steel and are designed and tested to provide a great ride along with many years of trouble-free driving. If you have an older vehicle or you're dealing with a multitude of air system issues—order the Arnott coil spring conversion kit designed for your make and model. Items, features, and notes: * Custom valved shock absorbers * Powdercoated coil springs * Most kits available with electronic bypass module (EBM) that eliminates fault codes * Pre-assembled for safe and easy installation * OE fit with no necessary modifications * Not recommended for customers who tow larger trailers or often carry large loads (may cause improper angles for headlight beams)

4.55 out of 5 stars ( 29 )

$217.31

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$2,471.19

Ridetech Ford F-150 Rear Suspension Lowering Kits

Ridetech Ford F-150 rear suspension lowering kits drops your truck up to 5.5 in. in the rear, turning your vehicle into a high performance muscle truck with better stance, handling, and ride quality. These Ridetech kits are 100 percent bolt-on, fully adjustable, and include everything you need to lower the rear-end of your Ford F150 platform. Features, benefits, and contents: * Lowered stance -- Adjustable ride height--3 in. to 5 in. rear drop -- Improved ride quality and sharper handling * Adjustable Ridetech/Fox shocks -- Aluminum body -- Monotube/gas pressure -- Adjustable valving * Bolt-on installation -- No welding

Not Yet Reviewed

$1,160.00

Ridetech Bolt-on 4-link Systems

Ridetech Bolt-on 4-link systems provide a lowered ride height with smooth handling. They include the link bars with rubber bushings, powdercoated brackets, and optional front upper or lower controls arms, depending on the vehicle application. The suspension systems require no welding or cutting, making installation easy. Order the kit designed for fitment on your year/make/model.

4.75 out of 5 stars ( 8 )

$575.00

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$2,895.00

QA1 Level 2 Big Wheel Kits

Build your project exactly how you want with QA1 Level 2 Big Wheel kits! Get the perfect look by easily adjusting your ride height with front and rear coilovers. Raise or lower your car 2 in. the front. Raise it up to 2 in. or lower it by up to 3 in. in the rear. QA1 Level 2 Big Wheel kits allow you to dial-in the exact style you want in minutes with the included spanner wrench. These complete bolt-on suspension kits are designed to fit up to 28 in. wheels on your vehicle and include everything needed to get your Box sitting right, while giving you a better ride and improved handling. Product features and benefits: * Double-adjustable coilovers give you the ability to individually tune your shock compression and rebound to get the perfect ride and get more grip off the line for drag racing * Adjustable upper and lower trailing arms allow your wheel and tire package to fit with adjustable trailing arms that center your rear axle in the wheel well to gain more clearance for up to 28 in. wheels * Tubular control arms are much lighter and stronger than stock and will upgrade front-end geometry for better drivability—and are designed specifically for big wheel cars with corrected suspension angles for large wheels and tires * Tubular sway bars help reduce body roll and improve stability with front and rear sway bars to reduce handling issues that come from big wheels and raised ride heights * Easy, bolt-in installation * Parts come powdercoated and ready-to-install with all necessary hardware to allow you to bolt up the kit right in your garage or work with your local shop * Works with original factory rear axle housings or Quick Performance 9 in. rear axle housings

5.0 out of 5 stars ( 2 )

$5,439.95

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$5,715.95

QA1 GM Street Control Arms

QA1's Street control arms use a factory replacement ball joint and polyurethane pivot bushings. These work great on vehicles used primarily for cruising and long distance events. Configured for QA1 Pro Coil Systems, these street control arms feature powdercoated tubular construction for increased strength and great looks. A bolt-in spring adapter is available separately to allow the control arms to be used with stock springs. All the upper arms feature an offset cross shaft letting you quickly and easily adjust camber.

4.69 out of 5 stars ( 13 )

$834.95

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$1,109.95

QA1 Mopar Front Street Performance Coilover Conversion Systems

QA1 Mopar front street performance coilover conversion systems transform your classic Charger, Road Runner, or other classic B/E-body Mopar into a restomod that drives, corners, and launches like a modern machine. These Mopar systems feature great-looking powdercoated components that improve performance and save weight while making it easy to swap engines, including the Gen 3 Hemi. QA1 Mopar street performance systems are available with single or double adjustable shocks in kits offering 0 to 2 in. or 2 to 4 in. of drop. Features and benefits: * Coilovers help you achieve the perfect stance and ride quality * Single-adjustable shocks are recommended for cars used primarily on the street * Double-adjustable coilovers are recommended for consistent drag racing, autocross or road racing * Rack-and-pinion steering provides a modern feel and improved handling in any setting * Drastically improve geometry, enhancing driving feel and cornering capabilities * Designed for everyday driving, drag racing, and handling * Tubular design improves exhaust clearance while reducing weight * Works with multiple engine configurations

4.33 out of 5 stars ( 3 )

$5,363.95

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$6,890.95

Wilwood C10 ProSpindle Kits

Wilwood C10 ProSpindles are designed for custom and competition applications using Wilwood disc brake kits. The ProSpindle kits contain a pair of modular spindles, steering arms, and hub assemblies designed to provide increased strength and braking capacity, along with minimized weight, while incorporating a 2.50 in. lowered stance without affecting steering geometry. Wilwood C10 ProSpindles are constructed from a proprietary grade of forged aluminum. The integrated modular bearing hub assemblies support 5 in. x 4.75 in. and 5 in. x 5 in. bolt patterns, and the ProSpindles provide direct mounting of radial caliper brackets, creating a strong, zero flex platform for brake mounting. Select the kit designed for your vehicle.

4.92 out of 5 stars ( 12 )

$852.51

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$889.34

Air Lift WirelessAir 2nd Generation On-Board Air Compressor EZ Mount Systems

Air Lift WirelessAir 2nd generation on-board air compressor EZ mount systems give you everything you need for the fastest, easiest installation possible. EZ Mount systems package the manifold and upgraded, heavy-duty compressor into one convenient, pre-assembled and factory-tested bracket—giving you everything you need to have full control of your air springs in no time at all. Control the air like a boss with your Air Lift WirelessAir 2nd generation EZ mount kit. Features and items: * Inflate and deflate each air spring independently to different pressures * LCD-display wireless controller * One-touch control from inside or outside vehicle is perfect for uneven/top-heavy loads * Two user-defined memory buttons * Compact, dual-path design * Bluetooth-enabled manifold allows for over-the-air software updates * All wiring, hardware, and fittings required for installation

4.38 out of 5 stars ( 8 )

$936.99

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$1,363.99

Arnott New OE Air Shocks and Struts

Arnott new OE air shocks and struts are available for most air ride-equipped vehicles. As their title suggests, these are not rebuilt—they're new models with OE-quality and fit, but without the premium OE price. Arnott makes use of name brand, high-quality components for longer life, and they offer faster installations with detailed manuals and videos—plus they're backed by a limited lifetime warranty. From import cars to domestic SUVs and everything between, there's an Arnott aftermarket air shock or strut to precisely match your air ride system application. Order the shocks or struts that match your make and model (Arnott highly recommends replacing them in pairs).

4.66 out of 5 stars ( 32 )

$109.86

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$1,696.39

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.

4.8 out of 5 stars ( 15 )

$814.99

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$3,895.00

QA1 Sway Bars

QA1 sway bars afford improved handling and control by reducing body roll. They're manufactured from lightweight 4130 chromoly steel and 1045 cold-formed steel—with a gloss black powdercoat finish for maximum strength, endurance, and corrosion resistance. The QA1 sway bars are precision CNC-formed, ensuring proper mounting in the stock location for a true bolt-on installation. They also feature adjustable end links to customize roll stiffness to your personal specifications. These sway bars from QA1 include greaseable graphite polyurethane bushings, along with high-quality zinc plated hardware. Engineered and road-tested to give your ride the grip that it needs to hold the road, QA1 sway bars are available for fitment on many vehicle applications. Order them individually for the front or rear—or in a complete kit.

4.59 out of 5 stars ( 140 )

$249.95

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$979.95

QA1 Four Link Conversion Kits

Ditch those clunky leaf springs and take control of your rear suspension with QA1's coilovers and triangulated 4-link conversion kits. This upgrade improves ride quality, enhances handling performance, and enables you to dial in the perfect stance. With the added benefit of accommodating wider wheels and tires, this kit is the ideal solution for your car. QA1's 4-link conversion kits deliver handling control without compromising your daily comfort. Perfect for both street and track use, adjustable shocks are famous for their tunability, giving you exceptional handling and control and finer control over your suspension. Available with single adjustable, double adjustable, or MOD series shocks. Thoughtful design meets effortless installation requiring minimal welding. You'll experience a painless installation and setup process, where adjusting ride height, pinion angle, or wheelbase is as simple as a few tweaks – no link removal required. No modifications to floor pan required.

5.0 out of 5 stars ( 3 )

$2,383.95

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$3,687.95

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 )

$124.99

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$169.99