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 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 ( 104 )

$688.95

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$1,109.95

Detroit Speed Mono-to-Multi-Leaf Conversion Kits

Make the switch from mono to multi-leaf with Detroit Speed conversion kits. They come with everything you need to correctly convert your mono-leaf rear axle: U-bolts, a hardcoated steel locating pad, aluminum spacers, washers, and nuts.

4.33 out of 5 stars ( 12 )

$150.99

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 )

$228.01

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$2,471.19

QA1 Upper Loop Conversion Kits

QA1 upper loop conversion kits are designed to convert QA1 shocks with a 9/16 in.-18 threaded piston rod from stud mount to loop mount utilizing a 5/8 in. or 1/2 in. bolt. They include one loop, one bushing, one 1/2 in. sleeve, and one 5/8 in sleeve.

5.0 out of 5 stars ( 4 )

$56.95

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

QA1 T-Bar Kits

QA1 T-bar kits are designed to convert loop-type QA1 adjustable shocks to a T-bar mount. They require the use of a 3/4 in. inside diameter bushing of the current loop mount. The kits include a chrome plated T-bar, two retaining clips, two 3/8 in. bolts, and two 3/8 in. lock nuts. The T-bars are available in different lengths to fit the QA1 shocks.

4.46 out of 5 stars ( 24 )

$29.95

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$49.95

QA1 Stud Top Conversion Kits

QA1 stud top conversion kits are designed to convert your QA1 shocks to stud top mounting. They include studs, bushings, washers, and nuts.

4.87 out of 5 stars ( 15 )

$31.95

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$42.95

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

QA1 Rear Suspension Conversion Systems

QA1 rear suspension conversion systems provide easy, bolt-in options to replace your coil springs on factory truck arms—without any cutting, welding, or other fabricating. Each kit contains frame brackets, axle brackets, linkage assemblies, a crossmember assembly, and necessary hardware. The conversions are available with coilovers or available for use with the factory springs. Order the model designed for fitment on your specific vehicle, and enjoy the stance, handling, and suspension performance of a revolutionary QA1 system.

4.53 out of 5 stars ( 19 )

$1,099.95

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$3,101.95

QA1 Stud Conversions for Eyelet Bottom Shocks

These QA1 stud conversions for eyelet bottom shocks are used to convert Stocker Star series shocks from the eyelet bottom mount to a stud mount. They include one bracket, two bolts, two washers, and two nuts.

3.33 out of 5 stars ( 3 )

$19.95

QA1 1963-87 C10 Front Coilover Conversion Systems

QA1 1963-87 C10 front coilover conversion systems are a great upgrade to your C10 front suspension. Each kit comes with QA1's proven single or double adjustable coilover shocks—so you can change the valving to meet your specific needs—along with a variety of spring rate options. These shocks allow for ride height adjustability and are 100 percent dyno-tested and serialized. The QA1 C10 upper and lower control arms are manufactured from 12-gauge HSLA steel tubing for increased strength and are powdercoated for long-lasting durability; they're topped off with performance ball joints and low-friction, maintenance-free bushings. These kits will add up to 7 degrees of caster for more stability, and allow for optimum camber adjustment in a lowered truck. For those on a budget, QA1 also offers kits without the upper control arm—which will add 3-4 degrees of caster, while still providing ride height adjustability with coilover shocks. Order the model designed for your vehicle application.

4.86 out of 5 stars ( 28 )

$2,015.95

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$2,728.95

Bilstein Crossbar Conversion Kits

Bilstein crossbar conversion kits can be added to Bilstein shocks with a standard eyelet end for easy mounting when a tie bar-style end is required. Conversion is easy, by removing the stock shock bushing and pressing the crossbar end in place.

5.0 out of 5 stars ( 1 )

$7.99

QA1 1988-98 C1500 Level 2 Front Coilover Conversion Systems

QA1 1988-98 C1500 level 2 front coilover conversion systems are a great upgrade to your C1500 front suspension. Each kit comes with QA1's proven single adjustable Pro Coil coilover shocks—so you can change the valving to meet your specific needs—along with a variety of spring rate options. The shocks allow for wider wheel and tire combos, ride height adjustability, and are 100 percent dyno-tested and serialized. The QA1 C1500 upper and lower control arms are manufactured from 12-gauge HSLA steel tubing for increased strength and are powdercoated for long-lasting durability. The kit will provide a total of 4 in. of drop when used with drop spindles, or 2 in. of drop with factory spindles. Performance ball joints and low-friction, maintenance-free bushings are standard. Level 2 easy bolt-on kits will add more stability and allow for optimum camber adjustment in a lowered truck. Everything you need is included, all the way down to the hardware; no welding required.

4.71 out of 5 stars ( 7 )

$2,219.95

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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$2,597.95

Dorman Air Suspension Conversion Kits

When maintaining your vehicle's original air suspension system is no longer necessary or a failed system becomes too costly to repair, Dorman has numerous cost-saving solutions. Dorman air suspension conversion kits replace original air springs with conventional, corrosion-resistant steel springs. They are offered in complete or partial delete kits, providing you with a cost-effective alternative to restore your vehicle's smooth ride with a consistent spring rate and ride height for safe driving. Dorman thoroughly tests all parts for ride handling to ensure performance. Choose the recommended kit for your vehicle.

3.5 out of 5 stars ( 2 )

$105.99

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$1,713.99

QA1 1965-79 F-100 Coilover Conversion Systems

QA1 1965-79 F-100 coilover conversion systems are suspension kits built with a purpose—just like your truck! With these all-new, engineered-from-scratch systems, you can stop using junkyard parts to modernize your pickup, and instead bolt in the handling and performance you've always wanted. The front systems are 3.75 in. narrower than a Crown Vic, providing ideal handling and allowing fitment of larger wheels and tires. They also save 150 lbs. of weight and provide 3 in. to 5 in. of drop with standard spindles and 5 in. to 7 in. with drop spindles. QA1 1965-79 F-100 coilover conversion systems are available in single and double adjustable styles with everything you need included, except engine mounts. Included in the systems: * Adjustable shocks * High-travel springs * Coil-over hardware * Upper and lower control arms * Upper and lower crossmembers * Rack and pinion steering * Stock or drop spindles * All required nuts, bolts, etc.

4.38 out of 5 stars ( 8 )

$4,162.95

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$4,732.95

Classic Performance Dual Adjustable Front Coilover Conversion Kits

Classic Performance dual adjustable front coilover conversion kits can help drop your ride from just below stock height to several inches lower. The included clear anodized, aluminum coilover shocks can be adjusted multiple ways. Also included are silver powdercoated springs and all the mounting hardware necessary for an easy bolt-on installation. Radically improve the handling abilities of your ride with the clean look of a Classic Performance dual adjustable front coilover conversion. Order the kit designed to fit your specific vehicle.

4.78 out of 5 stars ( 27 )

$548.99

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$998.99

Unity Automotive Air Spring to Coil Spring Conversions

Unity Automotive air spring to coil spring conversions solve the problems associated with troublesome air spring suspension and electronic suspension. These kits include parts and hardware, allowing you to convert to a more conventional setup. Improve handling and consistency without the sacrifice of ride height or quality with the Unity Automotive air spring to coil spring conversions designed for your application.

4.6 out of 5 stars ( 5 )

$53.99

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$1,222.99

Manufacturer Rebate

Aldan American Shock Mount Adapters

Aldan American shock mount adapters are exactly what you need to convert an eyelet-style shock to a stud mount shock. Dimensions are 1.375 in. inside bracket diameter and 3.750 in. overall height. Bolt and stud are 0.500 in. in diameter. Hardware is included and these adapters are sold in pairs.

Not Yet Reviewed

$82.95

OER Mono-to-Multi-Leaf Conversion Kits

OER mono-to-multi-leaf conversion kits are a great addition to your vehicles suspension system. These conversion kits will allow better axle control under hard acceleration and improve handling through every corner. Each kit comes complete with the needed hardware, brackets, and U-bolts. A must have upgrade for your vehicle! Order the kit for your application.

1.0 out of 5 stars ( 1 )

$244.49

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$245.29

QA1 1973-87 C10 Coilover Conversion Systems

Upgrade your square body Chevy C10's driving feel and performance while getting the perfect stance with QA1's 1973-1987 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 coilover conversion 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 also reducing weight 140 lbs. over stock. Order the QA1 1973-87 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 * Single or double-adjustable shock valving offers 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 1973-1987 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 ( 1 )

$4,450.95

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$5,775.95

Clearance

Monroe Suspension Conversion Kits

Monroe suspension conversion kits contain all of the components you need to convert a vehicle equipped with factory air or electronic suspension to a non-air or non-electronic suspension system. These conversion kits include premium-quality application-tuned shocks or struts, coil springs (if necessary), and mounting hardware. Air or electronic suspension systems can be expensive to fix. Monroe suspension conversion kits are an affordable way to get you vehicle on the road again.

4.0 out of 5 stars ( 4 )

$144.99

$113.50

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$305.99

Ridetech Shock Mounts

Ridetech shock mounts are offered in several heights of stud and eye mount styles. All stud tops include Delrin ball mount and hardware, while all the eyelets include bearing and spacer kit. Ridetech shock mounts fit 2 in. diameter threaded body HQ and TQ Series coilovers and Shockwaves.

Not Yet Reviewed

$65.00

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$85.00