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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

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 ( 10 )

$2,000.95

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$3,609.95

QA1 Four Link Conversion and Narrowed Ford 9 in. Axle Kits

QA1's 4-link conversion and narrowed Ford 9 in. axle kits are an all-in-one solution that gives you everything you need to get your First-Gen Camaro or Firebird project on the road—fast. QA1 paired their 4-link suspension kit with a custom narrowed 9 in. rear housing for enthusiasts seeking top-tier performance and hassle-free installation. Your time is valuable, so say goodbye to hunting for junkyard rear ends or struggling with endless measurements and mismatched components—every component in this package is tested by QA1 to fit the first time. These QA1 upgrade kits have been engineered to deliver the performance, ride quality, and adjustability you need to handle serious power and aggressive driving—without the hassle of having to outsource each part. Ultimate shock performance: Ditch your leaf springs for QA1 MOD Series coilovers, triangulated 4-link suspension and an all-new narrowed 9 in. rear end. QA1's MOD shocks are designed to provide the ultimate in tunability and performance. With their four-way adjustable valving, remote nitrogen canisters, and huge dampening forces, QA1 MOD shocks deliver in any driving scenario. QA1 4-link kits are fully engineered to provide ride height, ride quality and instant center adjustability. Whether you're after a lowered, aggressive look or need clearance for wider wheels and tires, QA1 systems deliver. Easy installation: QA1 is committed to delivering products that make upgrading your car as simple as possible, and their 4-link kits with 9 in. housing are designed for a bolt-on installation, eliminating the need for custom fabrication. Key Features: * Narrowed housing to accommodate wide wheel and tire packages in mini tubbed cars * Fabricated center section engineered for maximum strength and durability * Formed trailing arm brackets reduce flex under high loads, ensuring your suspension remains rigid * Heavy-duty 3 in. OD, 1/4 in. wall axle tubes provide the durability needed for high-performance applications * 31-spline 1541H alloy axles support up to 650 hp, with the housing handling up to 800 hp * Durable semi-gloss powder coat finish offers long-lasting protection and a clean, sleek look * Drain plug, fill plug, and Jack Pad come standard to make service a breeze * Includes T-bolts and housing studs for assembling axle shafts and installing third members * High-quality roller bearings for smooth operation and long-lasting reliability

Not Yet Reviewed

$4,435.95

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 )

$4,256.95

QA1 Level 3 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. Top performance is the desired goal of many automotive upgrades—precisely what QA1 Level 3 handling suspension kits deliver. Compared with the Level 1 and 2 packages, these heavy-duty assemblies offer additional control components, as well as stiffer springs to maximize your cornering ability and handling. QA1 Level 3 kits are available with or without shocks and struts—giving you the flexibility to obtain the shocks or struts and spring rates you want. Select the kit designed for your vehicle.

Not Yet Reviewed

$2,205.95

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$2,209.95

Speedtech Performance USA Road Assault Suspension Packages

Speedtech Road Assault suspension packages offer Pro Touring with a twist. You ask, "What about body roll control?" These kits are the perfect choice for those of you who haven't yet dialed-in your sway bar. Speedtech took their Pro Touring kit and added their custom, lightweight computer-bent tubular sway bar to tie everything together and make your project exciting! The bars are powdercoated black and include polyurethane bushings. With a Speedtech Road Assault suspension package, you'll experience better geometry, more tunability, and ride height adjustability—plus the ability to control the roll! Order the model recommended for your vehicle.

4.67 out of 5 stars ( 3 )

$2,834.78

RideTech RidePro E5 Air Ride Suspension Control AirPod Single Compressor Systems

RideTech RidePro E5 Air Ride Suspension Control AirPod single compressor systems are pre-wired solutions that mount in your vehicle as a single unit and adjust vehicle height at the push of a button while maintaining balanced air springs. With sophisticated pressure and height algorithms, RidePro E5 control systems tune air ride suspension for proper handling and world-class ride quality, so that each time your turn the ignition key, RidePro E5 self-adjusts to ride height and compensates for changes in load. And adjusting vehicle height is as simple as choosing one of three presets. You can also control the system wirelessly by simply connecting a compatible smartphone via Bluetooth and using the RidePro E5 app. RideTech RidePro E5 AirPod systems feature and include: * Full color TFT LCD. 3.5 in. display with multi-touch capacitive touchscreen * 4-button silicone keypad with backlit symbols for quick vehicle height changes * "Ride Height On Start" automatic lift and level feature * Display and setup via control panel, smartphone app or laptop * Weatherproof ECM and heavy-duty connectors * Automatic weight compensation (with optional height sensors) * Bluetooth connectivity to most smartphones for wireless control * AirPod aluminum 3-gallon tank * RidePro E5 digital control * Thomas compressor * 1/4 in. valves

Not Yet Reviewed

$2,615.00

RideTech StreetGrip Suspension Systems

What are some of the virtues of a quality RideTech StreetGrip suspension system? For starters, they're easy to install. The Delrin bushings eliminate deflection, and dual-rate springs allow the vehicle to transition small road irregularities via a compliant spring rate. Adjustable monotube shocks deliver premium ride quality and handling performance, while the tall upper ball joints reposition the control arms to correct camber for more stability. Sway bar end links are also included to minimize body roll through corners. Give your vehicle the components it needs to handle the road with a StreetGrip suspension system—RideTech's one-box solution for better ride and control. Order the model designed for fitment on your vehicle.

5.0 out of 5 stars ( 1 )

$2,815.00

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$3,295.00

Hotchkis Sport Suspension TVS Systems

These Hotchkis Sport Suspension TVS systems are all-inclusive kits that have been designed and tested as systems. There's no need to mix and match components--Hotchkis Sport Suspension TVS systems include everything you need for suspension and handling that can't be beat.

4.22 out of 5 stars ( 9 )

$2,141.87

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$2,903.61

Detroit Speed Front Speed Kit 3 Handling Packages

Detroit Speed Front Speed Kit 3 handling packages are designed to work as an integrated system on your vehicle. By utilizing proven Detroit Speed components and carefully selected parts designed to complement each other, the kits are tailored to your driving needs—with the ease of bolt-on installation. Front Speed Kit 3 handling packages are designed to bring your classic GM muscle car into the 21st century with improvements in ride, handling, and camber/caster correction. Packages include: * Tubular upper control arms with Delrin bushings * Tubular lower control arms with Delrin bushings * Detroit Speed aluminum body coilover shocks with coilover springs * Detroit Speed 600 steering gear rag with rag joint * Tubular tie rod end adjusters * Idler arm * Inner and outer tie rod ends * Detroit Speed tubular sway bar

Not Yet Reviewed

$4,072.95

Flaming River 1967-68 Camaro Power Rack and Pinion Cradle Kits

Flaming River 1967-68 Camaro power rack and pinion cradle kits can upgrade the steering system on your classic musclecar! These direct bolt-on systems are stronger, lighter, and more responsive than original equipment. Like Flaming River's manual setup, the power rack and pinion provides a quick steering ratio with full turning radius. The units install using the existing chassis locations on late '60s Camaros and Firebirds. They're available with or without the steering column.

2.0 out of 5 stars ( 1 )

$2,433.99

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$2,815.99

RideTech RidePro E5 Air Ride Suspension Control Single Compressor Systems

RideTech RidePro E5 Air Ride Suspension Control single compressor systems adjust vehicle height at the push of a button while maintaining balanced air springs. With sophisticated pressure and height algorithms, RidePro E5 control systems tune air ride suspension for proper handling and world-class ride quality, so that each time your turn the ignition key, RidePro E5 self-adjusts to ride height and compensates for changes in load. And adjusting vehicle height is as simple as choosing one of three presets. You can also control the system wirelessly by simply connecting a compatible smartphone via Bluetooth and using the RidePro E5 app. RideTech RidePro E5 single systems feature and include: * Full color TFT LCD. 3.5 in. display with multi-touch capacitive touchscreen * 4-button silicone keypad with backlit symbols for quick vehicle height changes * "Ride Height On Start" automatic lift and level feature * Display and setup via control panel, smartphone app or laptop * Weatherproof ECM and heavy-duty connectors * Automatic weight compensation (with optional height sensors) * Bluetooth connectivity to most smartphones for wireless control * Aluminum 3-gallon tank * RidePro valves * Thomas compressor * 1/4 in. air lines and fittings * Perfect for vehicles up to 3,500 lbs.

Not Yet Reviewed

$2,415.00

QA1 Four Link Conversion and Standard Ford 9 in. Axle Kits

QA1's 4-link conversion and standard Ford 9 in. axle kits give you everything you need to get your 2nd Gen Camaro or Firebird project on the road—fast. QA1 paired their 4-link suspension kit with a custom 9 in. rear housing for enthusiasts seeking top-tier performance and hassle-free installation. Your time is valuable, so say goodbye to hunting for junkyard rear ends or struggling with endless measurements and mismatched components—every component in this package is tested by QA1 to fit the first time. Each kit is engineered to deliver the performance, ride quality, and adjustability you need to handle serious power and aggressive driving—without the hassle of having to source each part. Ultimate shock performance: Ditch your leaf springs for QA1 MOD Series coilovers, triangulated 4-link suspension and an all-new narrowed 9 in. rear end. QA1's MOD shocks are designed to provide the ultimate in tunability and performance. With their four-way adjustable valving, remote nitrogen canisters, and huge dampening forces, QA1 MOD shocks deliver in any driving scenario. QA1 4-link kits are fully engineered to provide ride height, ride quality and instant center adjustability. Whether you're after a lowered, aggressive look or need clearance for wider wheels and tires, QA1 systems deliver. Easy installation: QA1 is committed to delivering products that make upgrading your vehicle as simple as possible, and their 4-link kits with 9 in. housing are designed for a bolt-on installation, eliminating the need for custom fabrication. Performance housing features: * Fabricated center section engineered for maximum strength and durability * Formed trailing arm brackets reduce flex under high loads, ensuring your suspension remains rigid * Heavy-duty 3 in. OD, 1/4 in. wall axle tubes provide the durability needed for high-performance applications * 31-spline 1541H alloy axles support up to 650 hp, with the housing handling up to 800 hp * Durable semi-gloss powder coat finish offers long-lasting protection and a clean, sleek look * Drain plug, fill plug, and Jack Pad come standard to make service a breeze * Includes T-bolts and housing studs for assembling axle shafts and installing third members * High-quality roller bearings for smooth operation and long-lasting reliability

Not Yet Reviewed

$4,435.95

Speedtech Performance USA Torque Arm Rear Suspensions

Speedtech Performance USA torque arm rear suspensions dramatically improve performance handling and everyday drive quality of your leaf spring car. Unique in their design, the suspensions virtually eliminate the inherent change in geometry and possible traction issues commonly associated with leaf spring and 3- or 4-link type systems. Relatively easy to install and reasonably priced, they're perfect rear suspension upgrades to a well-matched performance front suspension. Speedtech Performance USA torque arm rear suspension facts and features: * Adjustable ride height, roll center, pinion angle, instant center, and wheelbase * Articulate lower control arms aid in eliminating suspension bind * Panhard bar mounting system accurately locates rear axle and allows for instant center adjustability * Delrin bushings eliminate the flex of rubber and squeak of poly bushings * QA1 double adjustable coil-over shocks with thrust washers * Coilover shocks allow 2 1/2 in. of ride height adjustment * Available for 9 in. Ford, 12-bolt and 10-bolt GM differentials * Optional complete rear axle with all brackets installed

Not Yet Reviewed

$3,430.96

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$3,692.63

QA1 Level 2 Full Vehicle Drag Racing Suspension Kits

Looking for a better launch, straight-line stability, and consistent performance? Turn to QA1's drag racing suspension kits for a full-vehicle upgrade that fits your needs. Available in three different levels of performance, these drag racing kits offer easy, bolt-in installation (some welding may be needed) and seamlessly works 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 2 drag racing kits are ideal for owners looking for serious performance gains at the track. They deliver everything needed in one shot, taking the guesswork out of the process, so you can skip the research and focus on preparing for your next race. Select the kit designed for your drag race car.

Not Yet Reviewed

$3,278.95

Helix Mustang II IFS Suspension Packages

Helix Mustang II IFS suspension packages and kits will give your car or truck the excellent handling of independent suspension with added stopping power! IFS kits come in many different configurations with the necessary components and hardware. And with over a thousand kits to choose from, they are sure to have what you need to fit your wants and budget. From complete systems with chrome columns to their Stage 1 kits that allow you to use off-the-shelf components to complete your setup, and everything in between, Helix has the Mustang II IFS systems and kits to revolutionize your vehicle's suspension.

2.35 out of 5 stars ( 17 )

$2,199.95

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$3,499.95

Scott's Hot Rods 4-Bar Rear Suspension Kits

Scott's Hot Rods 4-bar rear suspension kits have a simple design, but will greatly improve the ride quality and handling of your hot rod or custom. These truly equal length parallel 4-bars use a very long, perpendicular panhard bar to maximize efficiency and reduce lateral movement. Both user-friendly and fully adjustable, the kits also use their CNC-machined and tapped stainless steel rod ends with right-hand or left-hand thread, allowing you to adjust the pinion angle and setup without unbolting the link bars. And unlike a Triangulated 4-link system, the pinon angle does not change throughout the travel of the suspension. The kits are offered with coilovers or airbags. Your rear suspension is just as important as the front to the ride and handling of your car; install a Scott's Hot Rods 4-bar rear suspension kit and increase your driving pleasure. Additional notes and what's included: * CNC-machined 1 1/8 in. x 1/4 in. wall DOM tubing link and panhard bars (adjustable RH- and LH-thread) * Scott's utilize a bar as long as possible per vehicle application to ensure the least amount of lateral movement * CNC-machined stainless steel rod ends--RH- and LH-thread * FK Bearing heim joints--RH- and LH-thread * Aldan American single-adjustable coilovers or Firestone 9000 tapered air springs * Coilovers are the most popular for everyday cruisers * Airbag kits are for those who want to lay their vehicle on the ground * Upper shock crossmember is standard on all kits allowing you to determine final ride height when installing * Rear-end housing brackets * Front frame brackets * 5/8 in. Grade 8 hardware * Lifetime guarantee

3.25 out of 5 stars ( 4 )

$2,638.50

Detroit Speed Rear Speed 2 Kits

Detroit Speed Rear Speed 2 kits work great with any of Detroit Speed's front suspension systems. Their components deliver improved handling with an increased spring rate. They're available with different suspension drop amounts and other options to ensure best performance. Rear Speed 2 kits are offered for a wide range of vehicles from the 1960s, '70s, and '80s.

Not Yet Reviewed

$4,149.95

Helix CornerKiller IFS Suspension Packages

Helix CornerKiller IFS front suspension will revolutionize your suspension and give your car or truck the ride and handling it deserves. Each front suspension is specially designed to give your classic ride modern handling and stopping power by updating all of the critical parts. Helix starts with precision-made components that are designed to work together. Tubular control arms provide the adjustability you need to setup the suspension for your car, while your choice of standard to 2 in. drop spindles help you customize the stance. Topping off the spindles is a set of 11 in. disc brakes to provide extra stopping power. Rack and pinion steering is provided by either power assist or manual racks. Finally choose between coilovers for maximum handling and a static stance or air struts for the ultimate in ride height control and ride quality. Bring your classic ride into modern days with a Helix CornerKiller IFS front suspension package.

3.0 out of 5 stars ( 3 )

$2,849.95

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$4,099.95

RideTech TQ Coilover Shocks

Track quality—RideTech TQ coilover shocks offer a performance level for competition. TQ coilovers feature a single rebound adjustment and a dual stage—high speed and low speed—compression adjustment. RideTech also designed these monotube aluminum shocks with a remote reservoir that is connected with a 30 in. braided line for easy installation in a variety of applications. These supreme shocks are surrounded by powdercoated high-tensile premium steel CNC cold-wound springs that offer less weight, more resistance to bowing, and increased travel. There's ride quality, handling quality, and now track quality from RideTech—the TQ series of coilover shocks for winning performance on road courses, race tracks, and extreme environments. Other premium features: * Impact-forged aluminum body * Anodized finished * CNC-machined billet hardware * Larger piston * Double sealed rod guide * 5/8 in. chrome shock shaft

Not Yet Reviewed

$2,110.00

RideTech TQ Series Shockwave Air Shocks

RideTech TQ Series Shockwave air shocks mount just like coilovers on most vehicles—replacing the coil spring with an adjustable air spring for a huge range of tuning options. Shockwaves deliver exceptional ride quality, handling, and the ride stance you prefer. They're available for hundreds of car and truck applications. Order the shocks designed for your specific year, make, and model.

Not Yet Reviewed

$2,105.00

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$2,305.00

Trans-Dapt Performance Swap-In-A-Box Complete Engine Swap Kits

Trans-Dapt Performance Swap-In-A-Box complete engine swap kits feature everything you need to transplant that new engine into your ride. They include a set of application-specific headers (painted or ceramic coated), motor and transmission mounts, and some kits contain oil filtration components. By matching up these parts by vehicle, Trans-Dapt ensures a swap with minimal modifications needed for installation. Give your ride a heart transplant using one of these turnkey Swap-In-A-Box complete engine swap kits!

3.5 out of 5 stars ( 62 )

$2,658.99

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$2,713.99

Heidts 1967-69 Camaro 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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$2,686.00

Heidts Mini Tub 4-Link Kits

Heidts Hot Rod and Muscle Car Parts offers a variety of suspension link kits for many vehicles, including classic Camaros and Firebirds. These 4-link kits are built to work with mini tub kits for high-horsepower cars and autocross applications. Each kit includes: chassis and axle brackets, adjustable links, full upper coilover crossmember, panhard bar, adjustable Heidts coilovers, and all hardware. The adjustable 4-link mounds allow suspension tuning. Bolt on maximum performance!

Not Yet Reviewed

$2,526.00