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Ridetech HD 4-Link Systems

Simple and effective—Ridetech HD 4-link systems upgrade less-than-perfect truck suspensions. Your heavy-duty truck hauls passengers, cargo, and trailers … occasionally all at the same time. Air suspension enables you to adjust spring rate for the load and improve your ride quality, load capacity, and handling performance. Ridetech HD 4-link systems are highly adaptable weld-on designs that will fit a wide range of 1/2 to one-ton trucks. You no longer need to endure harsh ride quality when unloaded to accommodate anticipated cargo when fully loaded. Light or heavy, with Ridetech HD 4-link systems your truck's ride performance will always be just right. RideTech HD 4-link systems include: * 1.5 in. diameter .188 in. wall DOM tube 4-link bars * Large durable polyurethane bushings * 2 in. diameter .250 in. wall tubing bridge * .250 in. thick plate steel brackets * Firestone air springs with a total load capacity of around 7,000 lbs.

5.0 out of 5 stars ( 1 )

$2,675.00

Unity Automotive Air Springs

Unity Automotive air springs provide improved ride quality and load leveling for your vehicle. Unity assembles each spring with high-quality components to provide years of trouble-free service. If you prefer a softer ride, order the Unity air springs designed to fit your application.

Not Yet Reviewed

$2,307.99

AccuAir Suspension Jeep Rear Only Air Leveling Kits

AccuAir Suspension Jeep rear-only air leveling kits fix rear sag. Engineered for Jeeps with at least a 2 in. to 4 in. lift, these kits add leveling for towing, weight of heavy loads, camping, and overlanding equipment. The kits automatically compensate for anything you add to the rear of the vehicle and will automatically level your vehicle from side to side for off-balance loads. AccuAir rear-only air leveling kits allow you to easily haul the maximum tow rating while maintaining your existing off-road capabilities. The kits are 100 percent bolt-on and with the detailed, easy-to-read installation guide that walks you through every step of the process, it's hassle-free. Once installed, simply press a button on the hardwired TouchPad controller or Bluetooth-enabled ePlus app and enjoy your new rear suspension. Choose the kit designed for your Jeep. Key components and features: * 3-gallon seamless air tank provides all the onboard air you need to inflate tires, water toys, camping furniture and more quickly and efficiently * Rear and upper lower control arms * Rear air springs * Rear ride height sensors * Rear sway bar end links * Limit straps * AccuAir compressor and inflation system * Long-Range Bluetooth 5.0 standard with all kits * Three user-adjustable controller presets: -- Load/Driving ride height/Off-road raised * Truposition sensors provide accurate leveling regardless of load

Not Yet Reviewed

$2,999.99

Ridetech 2015-24 Mustang HQ Series Air Suspension Systems

Ridetech 2015-24 Mustang HQ Series air suspension systems offer adjustability for an aggressive, yet functional stance and improved handling performance without sacrificing ride quality or comfort. Packaging front Shockwaves and rear Coolride shocks, these kits offer many features and benefits that will extend the performance capabilities of your Blue Oval muscle car. Equally important when upgrading suspension components are the sway bars. So Ridetech offers these HQ Series systems with or without front and rear sway bars. Select the kit you want for your 2015-24 Mustang. Features and benefits: * Fox Factory shock internals and valving along with monotube design provide excellent ride quality and handling * Anodized gunmetal black and gray finish--great looks and long lasting finish * Improved range of camber and caster for performance driving alignments: -- Caster range: +7.5 to +8.5 degrees -- Camber range: -2.5 to +.25 degrees -- Camber range extreme (slug flipped): -1.0 to -4.25 degrees * Impact forged aluminum shock body provides an excellent strength-to-weight ratio * Allows 1.5 to 2.5 in. drop in ride height from stock, improving vehicle center of gravity and reduce wheel-to-tire gap * Fully deflated will net an additional 2 to 3 in. drop * 24-position rebound adjustable HQ Series Shockwaves allow ride quality and suspension responsiveness adjustability * Rubber isolated spherical bearing minimizes NVH noises commonly associated with performance suspension * Tunable pressures based on vehicle use: street performance, drag, road course, autocross * Application specific mounting for a seamless installation * Bolt-on installation; no irreversible modifications necessary

Not Yet Reviewed

$3,020.00

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$3,610.00

ReadyLift Suspension Coil Spring Lift Kits (4.5 in.)

The all-new 4.5 in. coil spring lift kits allow for even more ground clearance while going to a 37 in. tire. Springing up to the new 4.5 in. lift yields all the bells and whistles of a big 6 in. kit but at a slightly lower, garage-able stance. These kits come with: heavy-duty steel radius arm drop brackets, heavy-duty fabricated steel front, and rear (2500 only) track bar brackets, forged dropped pitman arm, sway bar relocation brackets—and bump stop extensions, preventing over-compression of the included Falcon 1.1 monotube front and rear shocks. Both 4.5 in. Ram HD kits include ReadyLift Suspension's unique CNC-machined 6061-T6 billet aluminum Driveline Indexing System (DIS) that re-clocks the transfer case to properly align the front output shaft for improved driveline angles. The Ram 2500 HD comes with the standard output diesel engine DIS system. Kit 49-19420 includes everything in ReadyLift's popular 6 in. lift kit, as well as these new DIS re-positioning components. Heavy-duty and great riding 4.5 in. lift front springs, 3 in. lift rear coil spring spacers, heavy-duty radius arm drop brackets, heavy-duty fabricated steel front, and rear track bar brackets, dropped cast iron pitman arm, front/rear sway bar relocation brackets, and bump stop extensions preventing over-compression of the new Falcon 1.1 monotube shocks front/rear shocks are all included in this premium kit. Details at a glance: * For use on diesel engine Ram 2500 4WD HD trucks only * All-new 2019-2022 Ram 2500 4WD HD 4.5 in. lift kit * 4.5 in. front/3 in. rear spring lift kit * Includes all-new transfer case clocking ring and new heavy-duty transmission crossmember * Includes four Falcon 1.1 monotube shocks tuned specifically for the Ram 2500 HD * Allows for up to 37x13.50 tires on 20 in. x 9 in. wide wheels with -18 offset. * Note: Does not work with Factory Air suspension or Auto Level system (factory helper bags)

Not Yet Reviewed

$2,449.95

Detroit Speed Mini-Tub Leaf Spring Kits

Detroit Speed mini-tub leaf spring kits accommodate wider wheel and tire packages. The spring rate of 175 lbs./in. will also lower your vehicle 2 to 3 in. (depending on kit used) from factory ride height, and provide great handling without sacrificing ride quality. The springs have a tapered leaf with an anti-friction pad between each leaf to help provide a smooth ride. Detroit Speed mini-tub leaf spring kits allow up to 335mm wide tires when used with DSE mini-tubs (sold separately). Kits include leaf springs, offset shackles, U-bolts, shocks, shock mounts, and mounting hardware. Choose the desired kit designed for your vehicle.

Not Yet Reviewed

$2,358.95

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)

4.57 out of 5 stars ( 30 )

$2,062.55

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$2,471.19

ReadyLift Suspension Coil Spring Lift Kits (4 in.)

ReadyLift Suspension 4 in. coil spring lift kits improve stance, performance, and capability, and include everything necessary to clear larger wheels and tires. Each kit features specially engineered coil springs teamed with Falcon shocks and a track bar relocation bracket, plus other quality matched components for your truck. Designed as an excellent alternative for lifting trucks to fit larger tires, the coil spring system allows for increased tire sizes and widths along with providing improved ground clearance and a head-turning stance, delivering the "sweet spot" for your truck's driving dynamics and maximum tire size, while maintaining everyday usefulness. ReadyLift Suspension 4 in. coil spring lift kits allow up to 37 in. tall tires, and they are available with Falcon 1.1, 2.1, or Max3.3 shocks, making them more than lift kits. They are performance and ride-enhancing kits that will delight you with how well your truck will ride and perform on road and off. Order the kit recommended for your vehicle.

Not Yet Reviewed

$2,099.95

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$3,679.95

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

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

QA1 1988-98 C1500 Rear Coilover Conversion Systems

QA1 1988-98 C1500 rear coilover conversion systems are a great upgrade to your C1500 suspension. Each kit comes with QA1's proven 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 C1500 torque arm suspension with C-notch bracket is manufactured from 12-gauge HSLA steel tubing for increased strength and powdercoated for long-lasting durability. Systems come complete with adjustable instant center, panhard bar, and pinion angle to allow you to adjust the system to your exact needs. This easy bolt-on kit will add more stability and allows for optimum camber adjustment in a lowered truck. Everything needed is included, all the way down to the hardware; no welding or bed removal required.

4.33 out of 5 stars ( 3 )

$2,887.95

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$3,101.95

UMI Performance Stage 2 Handling Kits

UMI Performance Stage 2 handling kits will make any classic cruiser feel like a modern day muscle car! They are designed to bring you superior ride quality and improved handling, while giving you the lowered, aggressive stance you're looking for. These kits include everything you need to rebuild the suspension on your classic ride, such as upper and lower front A-arms, heavy-duty UMI sway bars with new end links, greaseable bushings, Bilstein HD shocks, UMI lowering springs, rear tubular upper and lower control arms, replacement rear end housing bushings, and heavy-duty tubular frame braces. UMI Performance Stage 2 handling kits are made of superior-quality materials to ensure long-lasting durability and performance. These UMI Performance Stage 2 handling kits are perfect for the weekend warrior looking to go for a back road cruise, perhaps hit the drag strip, or even an Auto-x.

4.8 out of 5 stars ( 5 )

$3,059.99

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$3,259.99

QA1 Level 1 Big Wheel Kits

QA1 Level 1 Big Wheel kits contain everything to give your GM B-body or G-body the ideal stance, plus improved ride quality. Each kit will include front and rear single adjustable Pro Coil system coilovers and an aluminum spanner wrench to dial in the exact style you want. The single adjustable valving allows you to firm up or soften the ride with the simple twist of a knob. QA1 Level 1 Big Wheel kits also include adjustable upper and lower trailing arms that center your rear axle in the wheel well, granting more clearance for larger wheels. Additionally, tie rod adjuster sleeves and a thrust bearing kit complete the kits. The components are powdercoated and ready to install with the necessary hardware, making your installation hassle-free. Choose the kit designed for your vehicle.

5.0 out of 5 stars ( 1 )

$2,690.95

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$2,741.95

Heidts 1962-67 Nova Economy Mustang II Front Suspension Kits

Heidts now offers their 1962-1967 Nova Economy Mustang II front suspension kits to give your Chevy Nova a lowered look and superior handling that street rods have enjoyed for years. Each Nova subframe and suspension kit comes with the necessary parts to upgrade the IFS system on your Nova. These subframe and suspension kits are designed with a bolt-in installation, making this modification simple, even the motor mounts are already welded in place. Simply unbolt your existing front end and bolt-on the new subframe—even the stock radiator bolts right up! Features and benefits: * Lowered look with superior handling * Complete IFS kit with manual rack and pinion * Bolt-in installation for simple modification

Not Yet Reviewed

$4,274.00

QA1 Level 1 Full Vehicle Handling Suspension Kits

Seeking improved stance, along with ride quality and handling? Turn to QA1's handling suspension kits for a full-vehicle upgrade that fits your needs. Available in three different levels of performance, these kits offer easy, bolt-in installation (some welding may be needed) and seamlessly work with whatever OE component each piece attaches to. And with different levels, 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. QA1 Level 1 handling kits deliver everything needed in one shot, taking the guesswork out of the process. These full-vehicle upgrades are designed to boost performance while giving you steady, reliable comfort. All QA1 handling suspension kits are offered with or without shocks and struts—giving you the flexibility to obtain the shocks or struts and spring rates you need. Select the kit designed for your vehicle.

1.0 out of 5 stars ( 1 )

$2,697.95

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$3,763.95

QA1 1988-98 C1500 Level 3 Front Coilover Conversion Systems

QA1 1988-98 C1500 level 3 front coilover conversion systems are a great upgrade to your C1500 front suspension. Each kit comes with QA1's proven double-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 bolt-in upper control arm mount provides enhanced suspension geometry, which reduces anti-dive and ties in the upper shock mount. The kit will provide a total of 6 in. of drop when used with drop spindles, or 4 in. of drop with factory spindles. Performance ball joints and low-friction, maintenance-free bushings are standard. This easy bolt-in kit will add more stability and allows for optimum camber adjustment in a lowered truck. Everything you need is included, all the way down to the hardware; no welding is required.

5.0 out of 5 stars ( 4 )

$2,797.95

QA1 Mopar Rear Coilover Conversion Systems

Upgrade your classic Mopar A, B or E body car to a triangulated four-link design with QA1's Mopar rear coilover conversion systems. These QA1 conversion systems will transform the way your classic Mopar launches, handles, and cruises down the road! The great-looking powdercoated components improve performance and save weight—plus, you'll enjoy a much more modern driving feel and improved handling in any setting. Order QA1's Mopar rear coilover conversion system for your application. Additional features: * Proven triangulated 4-link design is popular with street/strip machines, pro-touring/road racers and autocross drivers * Available for Mopar 8 3/4 in., Ford 9 in. and Dana 60 rear axles * Improved traction during launch * Easy installation that requires minimal welding * Supports both standard and inboard spring locations * Gain greater anti-squat and pinion angle adjustability * Correct your wheelbase to fit larger wheels and tires * Has clearance for 3 in. over the axle exhaust * Single- and double-adjustable shocks eligible for limited lifetime warranty by the manufacturer * You can add the optional rear sway bar to further reduce body roll during hard launches and cornering * Made in the USA

4.5 out of 5 stars ( 2 )

$2,383.95

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$3,660.95

Tuff Country EZ-Ride Suspension Lift Kits

Tuff Country EZ-Ride suspension lift kits increase fender clearance and allow for larger tires, while their EZ-Ride technology maintains a great ride. All Tuff Country EZ-Ride lift kits are of the finest quality and are engineered for simple installation at an affordable price. Most kits bolt-on, require no cutting or drilling, and are available for a wide range of vehicles in a choice of lift heights. New shocks are not required on most installations. Features of Tuff Country EZ-Ride suspension lift kits, depending on the application, may include: * Spacers mounted above the OEM coil springs/struts * Rear add-a-leafs added to the existing leaf springs * Rear cast iron lift blocks mounted below the OE leaf springs * Re-indexed factory torsion bars--without "cranking up" * Control arms that retain proper suspension geometry * Control arms with PTFE-lined FK Uni-ball joints * Dropped pitman arm and/or track bar relocating bracket(s) for proper alignment * Extended radius arms to improve articulation * Replacement radius arms that eliminate the need to drop radius arms--with no loss of ground clearance * Axle pivot brackets with camber adjustment * Transfer case drop kit * Polyurethane spring bushings * PTFE pads in leaf springs to eliminate squeaking * Tapered, snub-rolled, and pre-set leaf springs * Application-specific hardware and U-bolts

4.1 out of 5 stars ( 72 )

$2,001.96

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$2,658.94

Brodix Cylinder Heads IK 215 Cylinder Heads for Small Block Chevy

Brodix offers IK 215 Series cylinder heads for small block Chevy 350 and 400 engine applications—focusing on the only two things that matter: performance and price! They include a revolutionary ultra casting, versatile intake ports designed for optimum versatility, and combustion chambers that allow the use of several types of fuel. Standard features are A-356 virgin aluminum alloy, phosphorous bronze valve guides, valve seats for use with unleaded fuel, ends milled and drilled for accessories, and a straight spark plug angle. These are the most affordable high-quality aluminum cylinder heads on the market. The hassle-free top-end combo kits include: * Complete cylinder heads * Intake manifold (4150 Series) * Valve covers * Headbolts and washers * Intake bolts and washers * Valve cover studs and nuts * Head gaskets * Intake gaskets * Exhaust gaskets * Carburetor gaskets * Valve cover gaskets * Spark plugs * Brodix hat IK Series 23-degree cylinder head details: * Standard valve cover pattern * 64 cc / 70 cc combustion chambers * Straight spark plugs * Ends milled and drilled for accessories * Ductile iron valve seats for use with unleaded fuel * CNC-ported combustion chambers available as large as 75 cc

Not Yet Reviewed

$3,330.99

Manufacturer Rebate

Aldan American RCX Series Coilover Kits

Aldan American offers RCX Series coilover kits for countless vehicles. The double adjustable gas-charged shocks are available for front and/or rear in spring rates varying from 160 lbs. to 800 lbs. RCX coilovers can be used on stock or lowered applications, with big block or small block engines. Hardware is included for installation. Order the kit best suited for your suspension needs.

Not Yet Reviewed

$2,130.95

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$2,171.95

Heidts 1964-70 Ford Mustang 4-Link Rear Suspension Kits

Heidts 4-link kits transform your classic vehicle into a high performance fun street machine with a modern suspension. These complete kits stiffen the body, and the tunable rear 4-links provide the best traction and bring a ton more tuning potential to the table. Bolt-in and weld-in kits are both available. Heidts utilizes proven engineering and design for high performance street and track purposes.

Not Yet Reviewed

$2,411.00

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$2,729.00

Heidts Mustang II Front Suspension Kits

Get your street rod up and rolling and improve your vehicle's suspension, handling, and performance with one of these Heidts Mustang II front suspension kits. Kits include: * Crossmember * Tubular upper and lower full A-frame style control arms * 11 in. diameter brake rotors * Bearings * Seals * Shocks * Springs * Stock-type spindles * Manual rack and pinion mounted to the front of the crossmember for additional engine clearance * Outer tie rod ends * Rubber spring cushions * Spindle nuts * All necessary mounting hardware

5.0 out of 5 stars ( 5 )

$2,685.00

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$3,015.00

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.

4.55 out of 5 stars ( 20 )

$2,887.95

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$3,101.95

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