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CHEVROLET Chevy big block Mark IV Chassis & Suspension

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Results 1 - 24 of 40

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 )

$998.96

$1,109.95

UniSteer 1967-69 Camaro/1968-74 Nova Rack and Pinion Kits

UniSteer Camaro/Nova rack and pinion kits are superior steering components designed with racers in mind. They're engineered to match the factory geometry for specific Chevy model years—resulting in no-bump steering. These racks come mounted on a custom bracket that makes installation a breeze. The unit mounts to the rear of the crossmember, bolting to the lower stock control arm bolts. The outer tie rod ends are bolted to the stock steering arms; no fabrication is required. Compact and lightweight, the parts offer maximum ground clearance and can drop up to 65 lbs. off the stock front end. UniSteer rack and pinion kits also include outer tie rods, mounting bracket, hardware, and instruction sheet for installation. Order the conversion kit tailored for fitment on your vehicle. UniSteer stands behind their products with a 2-year, Unlimited Mile Warranty.

3.67 out of 5 stars ( 18 )

$1,084.99

RideTech HQ Coilover Kits

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

4.79 out of 5 stars ( 14 )

$1,040.00

SPC Performance Control Arms

Adjust camber and caster for maximum handling and performance with these control arms by SPC Performance. These control arms allow for changes when fine-tuning suspension alignment angles. They're available for a wide variety of applications, such as street rods, sport compact, muscle cars, performance vehicles, and race cars. Fine tune your suspension with SPC Performance control arms.

4.6 out of 5 stars ( 168 )

$1,095.95

$1,376.99

Speedtech Performance USA Frame Brace Kits

Speedtech Performance USA frame brace kits prevent the sloppy, unpredictable feel of a weak body frame. You can increase rigidity by linking these braces to the strong structural undersides of your chassis. The braces are constructed from 1.5 in. DOM steel tubing that's computer designed, machined, and CNC-bent for consistent fitment. Speedtech Performance brace kits offer the reinforcement your race chassis demands.

3.2 out of 5 stars ( 10 )

$1,454.96

BDS Suspension Lift Kits with NX2 Nitro Series Shocks

BDS Suspension steps up the performance and capability of your truck or Jeep with their NX2 Nitro shock lift kits. Designed to improve stance, each kit includes the necessary components to set your vehicle up right with clearance for larger tires at an affordable price. Featuring a set of NX2 Nitro Series shocks, BDS lift kits will also include either ProRide coil springs for improved ride quality and more articulation, Glideride leaf springs to provide full lift height and increased capacity, or steel blocks and add-a-leaf for a level stance from front to rear. They may also include other upgrades that add strength and improved handling. Select the BDS NX2 Nitro shock lift kit engineered for your vehicle. NX2 Nitro Series shocks: * Nitrogen-charged * Twin-tube design * 10-stage velocity-sensitive valving * Dual-welded ends for increased strength * 1 3/8 in. high-flow piston * Self-lubricating seals * Silver powdercoat finish

5.0 out of 5 stars ( 1 )

$1,297.45

Summit Racing™ Frame Brace Kits

Summit Racing™ frame brace kits are designed to easily install and strengthen the factory frame of your classic car or truck. The benefit of stiffening the frame is improved handling and a tight predictable feel. Reinforce your chassis and create a custom pro touring style, corner carving ride with these Summit Racing™ frame brace kits. *Constructed From DOM tubing *Computer Designed, Machined, and Bent *Welding Required for most kits *Adjustable transmission crossmember for Manuals or overdrives included *Generous openings for Dual Exhaust pipe routing *Exhaust hangers provided

4.22 out of 5 stars ( 69 )

$1,249.99

RideTech Rear Coil-Over Upgrade Packages

Ride Tech rear coilover upgrade packages include everything needed to give your muscle car a lowered stance with dramatically improved handling and ride quality. The systems contains rear StrongArms and either single-adjustable HQ Series or triple-adjustable TQ Series coilover shocks. Component features: * Rear StrongArms--provide added strength to help get the power to the pavement. They utilize R-Joint Technology to provide smooth operation and reduce roll bind. Lower arms feature a double sheer mount for the coilovers locating them in place of the stock springs, keeping the load where it belongs. * HQ Series coilovers--impact forged aluminum body and monotube design to deliver excellent ride quality and handling. They allow fine-tuning of the ride quality and handling. * TQ Series coilovers--remote reservoir triple-adjustable shocks feature rebound adjustment along with dual stage (high-speed and low-speed) compression adjustment. High-speed adjustment allows tuning for impact harshness and low-speed adjustment allows tuning of cornering characteristics, perfect for use on the autocross, road course, and drag strip.

5.0 out of 5 stars ( 1 )

$1,410.00

RideTech StreetGrip Composite Leaf Springs

RideTech StreetGrip composite leaf springs offer 50 lb. weight savings in unsprung weight to improve handling and ride quality. These suspension springs also incorporate more torsional strength—so any "spring wrap" is diminished. The billet leaf spring eyelets help achieve the desired stance. Delrin bushings and shackles are also available (sold separately) for long-lasting upgrades.

2.0 out of 5 stars ( 3 )

$1,175.00

RideTech RidePro 5 Gallon Analog Compressor Systems

RideTech RidePro Analog compressor systems use a 5-gallon compressor leveling system with 1/4 inch air valve, manual 4 way switches, and gauges. This 5-gallon tank and dual compressor design is recommended for vehicles 3500 pounds or more. This system includes a separate aluminum 5-gallon tank, RidePRO air valve block, 1/4 inch air lines, fittings, and wiring. Control your air ride equipped vehicle height with this affordable air suspension leveling system. RidePro analog compressor systems utilizes a high-quality solenoid air valve system, manual switches, analog gauges, and dependable electric components to provide simple and reliable air suspension leveling control.

Not Yet Reviewed

$1,620.00

RideTech StrongArms Tubular Control Arms

RideTech StrongArm tubular control arms are designed to stiffen up your vehicle's chassis, while providing a smoother ride. They feature a tubular design that offers maximum strength—and are available for a variety of front and rear positions. The control arms include bushings and factory-installed ball joints (front), making installation easier. Get optimum suspension geometry with a set of RideTech StrongArm tubular control arms; order the kit recommended for your vehicle.

4.71 out of 5 stars ( 17 )

$1,065.00

UMI Performance 1970-81 GM F-Body Front Upper/Lower A-Arm Kits

UMI Performance 1970-81 GM F-body front upper/lower A-arm kits are perfect for the F-body enthusiast seeking to improve the performance and appearance of their front suspension. These direct bolt-in kits feature caster relocation of both the upper and lower ball joints to enhance steering feel and improve high-speed stability. Features and benefits: * Spindle pin location remains unchanged, so fender clearance is like stock * Laser-cut UMI reinforcement plates add a great appearance and excellent strength * Chromoly offset cross shaft upper to reduce number of shims required * 5 to 7 degrees of total positive caster. 0 to 2 1/2 degrees of negative camber * Upper ball joint moved rearward to add 3 to 4 degrees caster potential * Lower ball joint relocated forward to increase caster 2 degrees which improves steering feel and straight line stability * Upper a-arm assembled with UMI-built Delrin® bushings for crisp steering response * Upper and lower a-arms built from USA-made DOM steel tubing * Heavy-duty spring bucket accepts factory and aftermarket coil springs * Spring bucket is compatible with popular hybrid coils, such as Viking and QA1 * High-quality polyurethane bushings and bump stops provide a crisp yet comfortable ride * Double shear swivel sway bar mounts and hardware work with UMI sway bars and most other factory eyelet-style sway bars * Available in red or gloss black powdercoat

Not Yet Reviewed

$1,196.99

$1,329.99

Skyjacker Suspension Lift Kits

Skyjacker suspension lift kits provide a smooth, comfortable ride, while responding to on or off-road conditions. They'll help you get the right height, clearance, and attitude for your truck or Jeep—while maintaining a "factory" ride quality and improving handling. Standard Flex, Value Flex, Rock Ready, Single Flex, and Double Flex versions are available, depending on your application. The lift kits come with all of the necessary mounting hardware and detailed instructions, and they're available for 2WD or 4WD vehicles.

4.23 out of 5 stars ( 69 )

$1,141.26

$1,513.11

UMI Performance Bolt-In Viking Rear Coilover Kits

UMI Performance bolt-in Viking rear coilover kits allow full ride height, spring rate, and damping adjustability. The double shear upper mount is a direct bolt-in and holds a true 2.5 in. diameter coilover spring. The FEA designed lower bracket bolts in using the standard shock mounting hole as well as an additional reinforcement hole. Drilling one 3/8 in. hole per side is required to complete installation. The coilover kits utilize Viking shocks that are 19-way adjustable in both compression and rebound to ensure the perfect setting for every application. Viking shocks are fully rebuildable. The 2.5 in. diameter coilover springs are available in 14 in. long, 110 lb. spring rate for drag use; 14 in. long, 125 lb. spring rate for street use; and 12 in. long, 150 lb. spring rate for autocross and road race applications. The coilover kits have been tested with 1.5 in. diameter UMI trailing arms, as well as UMI's 22mm sway bar and 32mm drag anti-roll bar. Fitment with other brand sway bars and larger diameter control arms is not guaranteed. Please contact UMI for additional information regarding fitment. Key features: * Brackets manufactured entirely from 3/16 in. mild steel * Laser-cut brackets for consistency and a precise fit * TIG-welded for superior strength and clean looks * Powdercoated brackets for a long lasting finish * Viking double-adjustable shocks offer 19 compression and 19 rebound adjustments * 3 spring rate options, depending upon application * Bolt-in design * No welding required * Spacers included for use with control arm relocation brackets

4.6 out of 5 stars ( 10 )

$1,069.99

Aldan American Road Comp Suspension Packages

Aldan American Road Comp suspension packages are available for a variety of applications, including many GM muscle cars and 1990s era Chevy trucks. Their coilovers are machined from lightweight, high-strength 6061 T-6 billet aluminum. They are fully ride-height adjustable, allowing a stock height to 2.0 in. of lowering, for maximum performance and on-road comfort. The coilover kits are designed for an OEM-like fitment using factory shock and spring mounting locations. These coilovers can be used with factory or aftermarket tubular control arms. Dial in your suspension with the Aldan Road Comp package recommended for your vehicle.

3.5 out of 5 stars ( 6 )

$1,189.95

$1,269.95

Speedtech Performance USA Tubular Control Arm Packages

Speedtech Performance USA tubular control arm packages provide a pair or lower and upper arms for your vehicle. Each arm is CAD designed and constructed from CNC mandrel-bent DOM tubing. All plate components are laser-cut and CNC-formed for exact tolerances, TIG-welded to the tubing, and then the assemblies are powdercoated gloss black. Speedtech tubular upper arms are assembled with strong and corrosion-free 304 stainless steel cross shafts, featuring a special offset machining process that allows two different base camber settings during alignment. Performance ball joints featuring forged housings, full spherical pins and CV-style dust boots are then installed and custom free-moving spherical bearing-mount sway bar end links wrap up the lower arms. Select the control arm package designed for your vehicle. Both upper and lowers receive: * Non-wearing greasable Delrin® bushings * Urethane bump stops * Grade 8 hardware Construction: * Upper arms are 1.25 in. diameter .120 wall tubing * Lower arms are 1.50 in. diameter .156 wall tubing

Not Yet Reviewed

$1,502.80

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

4.11 out of 5 stars ( 73 )

$1,077.99

$1,454.99

QA1 Level 1 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 1 drag racing kits are ideal for owners looking for streetable track performance. 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

$1,151.95

$1,628.95

Tuff Country Heavy-Duty Lift Kits

Get a big boost in your ride profile and handling with one of these Tuff Country heavy-duty suspension lift kits. They're the best way to give your rig maximum height, maximum clearance, and maximum attitude. Additionally, each Tuff Country heavy-duty lift kit is specially created for the greatest outcomes. Tuff Country uses premium "EZ Ride" leaf or coil springs. Under heavy use, this provides the best handling and control without sacrificing ride quality. For the most comfortable ride, each lift-arched leaf spring is tapered, snub rolled, and set, and are also shot-peened, set, and powdercoated for longer life and height maintenance. All brackets are laser-cut using computer guidance to provide the best quality and simplest installation. Each Tuff Country kit is designed to give you what you need to accomplish your lift project with success. Choose the Tuff Country heavy-duty lift kit designed for your application needs. Product highlights: * Featuring EZ-Ride Technology for the best ride * Replace worn-out front and rear springs with EZ-Ride leaf springs * Kits are also available for purchase with rear springs or rear cast iron blocks * PTFE pads used in leaf springs to eliminate squeaking * Leaf springs are tapered, snub rolled and pre-set * Shocks are sold separately unless otherwise noted * Limited lifetime manufacturer warranty on leaf spring sew

Not Yet Reviewed

$1,024.99

$1,475.99

Skyjacker 4WD Suspension Lift Kits

Skyjacker Suspension's 4WD suspension lift kits provide a smooth, comfortable ride while responding to off-road conditions. They'll help you to get the right height, clearance, and attitude on your truck and maintain that "factory" ride quality, while improving handling. Standard Flex, Value Flex, Rock Ready, Single Flex, and Double Flex versions are available, depending upon your application. They come with all of the necessary mounting hardware and detailed instructions.

Not Yet Reviewed

$1,341.34

$1,547.38

On Sale

Rough Country N3 Suspension Lift Kits

Rough Country offers N3 Series suspension lift kits for thousands of trucks from the late 1960s and up—including models from Chevrolet, GMC, Cadillac, Dodge, RAM, Ford, Jeep, Toyota, Nissan, and Mazda. Depending on the application, these kits enable you to raise the front and/or rear of your vehicle anywhere from 1.5 in. to 7.5 in. This is accomplished via a variety of lift component options, such as steering knuckles, torsion bar keys, spacers, strut kits, A-arm brackets, coil springs, leaf springs/blocks, upper control arms, Add-a-Leaf, and shackles. Suspension lift kits provide many benefits, including an aggressive stance, a clean level look, increased ground clearance, and plenty of ride height to accommodate larger tires. Rough Country kits feature front and/or rear N3 nitrogen-charged shocks for incredible ride quality on- and off-road. Most kits are 100 percent bolt-on, requiring no cutting, drilling, or welding. Enhance your rig with all-new stature; order the lift kit recommended for your truck!

3.53 out of 5 stars ( 15 )

$1,169.95

RideTech RidePro 3 Gallon Analog Compressor Systems

RideTech RidePro Analog compressor systems use a 3 gallon compressor leveling system with 1/4 inch air valve, manual 4 way switches, and gauges. This 3 gallon tank and single compressor design is recommended for vehicles under 3500 pounds. This system includes a separate aluminum 3 gallon tank, RidePRO air valve block, 1/4 inch air lines, fittings, and wiring. Control your air ride equipped vehicle height with this affordable air suspension leveling system. RidePro analog compressor systems utilizes a high quality solenoid air valve system, manual switches, analog gauges, and dependable electric components to provide simple and reliable air suspension leveling control.

3.25 out of 5 stars ( 4 )

$1,370.00

Heidts Chassis Stiffeners

Heidts chassis stiffeners are designed to strengthen the unibody and improve ride quality. These heavy-duty steel braces are completely bolt-in, with no cutting required. Hardware is included.

4.2 out of 5 stars ( 5 )

$1,410.00

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.

Not Yet Reviewed

$1,259.95

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