Chassis & Suspension
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Welcome to the home of great handling and ride quality! We stock a huge assortment of car and truck chassis and suspension parts like shocks, struts, and coil and leaf...
Welcome to the home of great handling and ride quality! We stock a huge assortment of car and truck chassis and suspension parts like shocks, struts, and coil and leaf springs, so whether you want a smooth street ride, responsive race handling, or rugged off-road control, you can find all the parts you need for your suspension upgrades here. We have complete lowering kits for a road-hugging sport stance, and lift kits to accommodate massive tires and greater suspension travel. Summit also has steering components, sway bars, frame rails and connectors, tie rods, wheelie bars, and wheel tubs, plus engine, transmission, and...
Welcome to the home of great handling and ride quality! We stock a huge assortment of car and truck chassis and suspension parts like shocks, struts, and coil and leaf springs, so whether you want a smooth street ride, responsive race handling, or rugged off-road control, you can find all the parts you need for your suspension upgrades here. We have complete lowering kits for a road-hugging sport stance, and lift kits to accommodate massive tires and greater suspension travel. Summit also has steering components, sway bars, frame rails and connectors, tie rods, wheelie bars, and wheel tubs, plus engine, transmission, and suspension mounts and bushings.
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
( 4 )
$4,154.95
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$5,775.95
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
( 1 )
$4,238.95
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$5,775.95
Calvert Racing CalTracs Low Profile traction bars buy you more ground clearance under their pivot assemblies. Virtually identical to their standard setups, these low-profile CalTracs have one less hole of adjustment getting you extra clearance. Calvert Racing designed Low Pro systems for street-driven vehicles that want more clearance for everyday driving. Features include: * Complete bolt-on installation--no cutting, welding, or modifications to OEM suspension * Keeps axle from rotating, helping maintain pinion angle * Improves 60 ft. times * Full preload adjustability * Eliminates spring wrap-up * Powdercoated gloss black finish * Full-color installation guide * PSCA, NMCA, NHRA-approved
( 99 )
$395.00
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$495.00
Your QA1 rear 4-link suspension system will deliver a better stance, handling, and the ability to fit wider tires. To make sure you receive these benefits, choose a QA1 4-link installation kit. These install/replacement component kits will make sure your 4-link is mounted and maintained properly. These kits may include trailing arms, brackets, shock mounts, axle brackets, hardware, and U-bolts.
Not Yet Reviewed
$607.99
Calvert Racing CalTracs truck traction bars will get your vehicle hooking harder than ever! Whether you're drag racing, sled pulling, or just towing, these bars will help eliminate wheel hop in various conditions. With unsurpassed quality and craftsmanship, the innovative traction bars have often been imitated, but never duplicated. Calvert has spent years specializing in leaf spring traction enhancement, so whether you have a daily driver or an 8-second drag truck/car, CalTracs systems will outperform the rest. Features include: * Complete bolt-on installation--no cutting, welding, or modifications to OEM suspension * Keeps axle from rotating, helping maintain pinion angle * Improves 60 ft. times * Full preload adjustability * Eliminates spring wrap-up * Powdercoated gloss black finish
( 79 )
$440.00
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$495.00
UMI Performance stock height springs are designed to add modern handling and a crisp ride while maintaining the factory muscle car appearance. Wound from premium chrome silicon wire, they feature linear rates for consistent handling characteristics with an increase in stiffness to reduce body roll and eliminate the floating feeling so common with factory suspension. Their ride height is engineered to be level on cars equipped with standard small block Chevrolet, Pontiac, aluminum head/intake big block Chevy, or LS engines (lightened cars may require spring trimming). Full-weight big block applications will have a 1/4 in. nose-down rake. Features include: * Designed to maintain the factory muscle car appearance with today's modern feel * Consistent rates and the best materials so your car sits properly for years to come * Linear spring rates provide a firm, yet comfortable, ride and incredible handling * No more floating feeling * Suitable for Pro-Tour, autocross, corner carving, and general cruising * Manufactured in the USA
( 34 )
$169.99
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$349.99
Summit Racing™ transmission mounts are soft-running enough to absorb vibrations for street use, and yet are durable enough for racing use. They help to control torque on high performance vehicles and maintain a proper driveshaft angle to prevent early wear and unexpected powertrain damage. Made of high-quality polyurethane or rubber, the mounts are available in a variety of styles for specific vehicle and transmission applications. Order the model recommended for your ride.
( 97 )
$12.99
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$254.99
UMI Performance sway bars are designed to reduce body roll and understeer and increase cornering capabilities, resulting in a more balanced suspension. The front sway bar is more rigid than the factory model and comes complete with new polyurethane end links and greaseable sway bar bushings. The rear sway bar is supplied with new Grade 8 mounting hardware and locknuts. UMI Performance sway bars are manufactured from 4140 chromoly steel—and formed as one piece to ensure maximum strength and performance. Each rear sway bar is heat-treated and heat-formed to maintain longer memory than a cold bent bar, while the front sway bar is CNC-bent for a precise and accurate fit every time. Order the kit recommended for your vehicle.
( 71 )
$396.47
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$789.99
RideTech drop spindles are manufactured from heavy-duty steel to give you great performance. They offer an economical way to lower your ride correctly by maintaining alignment and ride quality. The spindles are available in a variety of styles; order the pair recommended for your vehicle.
( 15 )
$315.00
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$550.00
RideTech RidePro E5 Air Ride Control BigRed AirPod dual compressor systems offer all-in-one integrated, 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. They are ideal for trucks and other heavy applications to quickly raise and lower your vehicle 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 BigRed 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 * Aluminum 5-gallon tank * 2 Thomas compressors * Big Red high-flow air valve solenoid block * RidePro E5 pressure based digital leveling system * 3/8 in. air lines and fittings and wiring * AirPod systems eliminate hours of installation time
( 1 )
$3,365.00
Flaming River manual rack and pinions are built from lightweight aluminum castings—and feature chrome plated center tubes and two mounting holes. Designed to meet the standards of professional street rod and race car chassis builders, they weigh less than 15 lbs. each. These rack and pinions are a great way to streamline the engine compartment while maintaining smooth, responsive steering.
( 54 )
$305.99
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$1,282.99
KYB Excel-G gas shocks and struts restore original handling and control capabilities. These nitrogen, gas-charged, twin-tube designs have earned an OEA (Original Equipment for the Aftermarket) classification, and KYB offers a huge selection of Excel-G gas shocks to service or upgrade thousands of popular cars, trucks, SUVs, and CUVs applications. Comfort is important, but ride control, as well as stability, stopping, and lane change responsiveness is critical. KYB Excel-G shocks and struts are designed to cover all these performance purposes. Features and benefits: * Vehicle specific, hand assembled in-house damping valves * Ultra-smooth triple chrome plated chrome piston rods reduce seal wear * Multi-lip, synthetic oil seal and wiper engineered to keep fluid in and contaminants out * Seamless, extruded steel tubing in the inner cylinders, and PTFE band around the piston for a positive seal * Restores designed stability * ESC (Electronic Stability Control) and electronic safety systems ready * Helps prolong tire life * Improves stopping distance * Helps maintain wheel alignment
( 797 )
$19.50
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$492.11
RideTech RidePro E5 Air Ride Suspension leveling control 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. Whether you are driving alone to work or on your way to a show with a car or truck load of friends, RidePro E5 will calculate proper air spring rate and balance, then work diligently in the background to maintain proper spring pressures and vehicle height. RideTech RidePro E5 leveling systems feature: * 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 * Includes ECU, control panel, air pressure sensors, wiring harnesses, and instructions
Not Yet Reviewed
$1,555.00
RideTech RidePro E5 Air Ride Suspension Control dual 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 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 5-gallon tank * RidePro E5 digital control * Two Thomas compressors * 1/4 in. air lines and fittings * Perfect for vehicles over 3,500 lbs.
Not Yet Reviewed
$2,665.00
Each of these Classic Performance drop spindles is built from strong, quality materials that allow you an affordable way to lower your ride. These front drop spindles will help to improve steering and handling, while maintaining ride quality.
( 141 )
$198.99
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$798.99
McGaughy's produces tough, high-quality lowering spindles that are done right the first time. They effectively lower the ride of your vehicle, while still maintaining the factory ride quality. All McGaughy's spindles are CNC-machined from 4140 chromoly forgings.
( 133 )
$216.99
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$629.99
Belltech dropped front spindles are designed to improve handling and retain exceptional ride quality. These spindles maintain suspension geometry, eliminating the excessive ball joint, shock, and tire wear that is common with other forms of lowering.
( 201 )
$275.00
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$595.00
Stifflers Suspension transmission crossmembers are engineered to deliver quality, fit, finish, and functionality. At the core of these kits are Stifflers' unique single-tube crossmembers—adding strength and stiffness beyond that of OEM versions, while offering versatility without the excess weight. They also allow more exhaust clearance. To install, simply slide the mounting sleeves and reposition the spacers to cover your application. They work with OEM and aftermarket transmission mounts, and will maintain your current pinion angle. Stifflers Suspension transmission crossmembers include low-deflection polyurethane bushings in the mounts to dampen driveline vibrations and noise, but for racing applications they can be replaced by optional solid bushings. Order the crossmembers designed for fitment on your make and model.
( 75 )
$189.95
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$299.95
UMI Performance Rear control arms and panhard bars are direct bolt-on replacements designed to minimize wheel hop and improve cornering and track consistency, while lowering ETs. The control arms are constructed from a DOM mild steel tubing 1.375 in. o.d. x 0.095 in. wall and are completely CNC-machined and fully TIG-welded for outstanding strength. The adjustable models feature spherical rod ends that allow for "bind-free" operation, making them great upgrades for both your track and autocross-driven vehicles. The Roto-Joint equipped models are designed to work like a spherical rod end while maintaining the qualities of a softer bushing. Roto-Joints feature a 4140 chromoly ball that rotates in a Delrin race. Additional features include: * Control arms are 1.375 in. x 0.095 in. mild steel tubing * 4130 chromoly threaded tube adapter (adjustable models only) * 3/4 in. hard chrome plated PTFE/KEVLAR® self-lubricating race rod end * TIG-welded construction * CNC-machined 6061 aluminum step bushings with zinc plated steel sleeves (where applicable) * Polyurethane greasable bushings * On car grease fittings (except rod ends) * Use OEM hardware
( 84 )
$189.99
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$749.99
Flaming River 1988-98 Chevy C1500 truck power rack and pinion cradle kits are direct bolt-ins with precision welded cradles manufactured using a 3/8 in. steel plate to assure there is no flexing. Each kit adapts to the original steering column and includes a new slip shaft with U-joints and a hose kit. They have been designed for use with the original power steering pump and the travel bar maintains original geometry. Features: * Designed for use at factory ride height or with 4/6 lowering kit * Solid plate 3/8 in. steel for increased strength * Bolts in place of steering box and idler arm using OE mount locations * Precise, modern steering with no cutting, drilling, or welding to chassis * Features new front steer power rack and pinion * Rack and pinion features .98 in. rack shaft for increased strength * Billet servo valve for cooler operation * Lifetime serviceability and Flaming River tested and certified Power rack and pinion cradle kit includes: * Mounting hardware * Universal joints and shafts * Rack and pinion cradle system
Not Yet Reviewed
$2,508.99
Belltech rear shackle and hanger kits are designed to lower the rear of your vehicle and maintain an OEM-quality ride. They are constructed from heavy-gauge, die-stamped steel to ensure a perfect fit and superior quality. All shackle kits feature a durable powdercoated finish.
( 178 )
$77.00
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$465.00
Your car's bushings are dried-out and in need of replacing, but keeping your favorite ride in top form can drain your wallet. No worries, now you can maintain your investment and get the best value for your money with RESTOPARTS® Manufactured body bushing kits. These kits are still produced in custom case-hardened steel tools—expensive, but the right way to do it—ensuring a precise, injection-molded rubber bushing every single time. Plus, each steel insert is stamped the right way—in authentic zinc. The bushing kits are available with or without hardware for many applications from the 1950s thru the 1980s. Get time-tested and proven quality for your dollars with quality parts by RESTOPARTS®.
( 53 )
$10.99
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$199.99
QA1 dynamic adjustable strut bars offer improved performance for your Mopar suspension. These lightweight bars are constructed from 6061 T-6 aluminum and anodized. They are direct bolt-ins for aftermarket or factory K-member replacements for an easy-to-install upgrade. Plus, they're fully adjustable and include rod ends. Maintain alignment of your lower control arm and eliminate binding for faster weight transfer, with QA1 dynamic adjustable strut bars.
( 31 )
$308.79
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$319.95
Calvert Racing CalTracs drag profile traction bars will instantly get your vehicle launching faster. They keep the axle from trying to rotate with the torque, which maintains proper pinion angle for better tire grip (hooking). This will improve the 60 ft. times on your 1/4 mile runs. The talented folks at Calvert have been specializing in leaf spring traction enhancement for years, providing top-notch craftsmanship and continuous innovation that is often imitated, but never duplicated. Order the kit recommended for your vehicle. Features and specs: * Complete bolt-on installation--no cutting, welding, or modifications to OEM suspension * Full preload adjustability * Eliminates spring wrap-up * Powdercoated gloss black finish * Full color installation guide * PSCA, NMCA, NHRA-approved
( 41 )
$395.00
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$440.00
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