More Power in Every Purchase - Join the Summit Rewards Program Today!

More Power in Every Purchase - Join the Summit Rewards Program Today!

Stay Cool With SUMMER SALE Savings!

Chassis & Suspension

Part Groups

Results 1 - 24 of 378

QA1 Sway Bars

QA1 sway bars afford improved handling and control by reducing body roll. They're manufactured from lightweight 4130 chromoly steel and 1045 cold-formed steel—with a gloss black powdercoat finish for maximum strength, endurance, and corrosion resistance. The QA1 sway bars are precision CNC-formed, ensuring proper mounting in the stock location for a true bolt-on installation. They also feature adjustable end links to customize roll stiffness to your personal specifications. These sway bars from QA1 include greaseable graphite polyurethane bushings, along with high-quality zinc plated hardware. Engineered and road-tested to give your ride the grip that it needs to hold the road, QA1 sway bars are available for fitment on many vehicle applications. Order them individually for the front or rear—or in a complete kit.

4.58 out of 5 stars ( 135 )

$278.95

$503.95

Classic Performance Mustang II Rack and Pinions

Classic Performance Mustang II rack and pinions are OEM replacements for both power and manual setups. All of their rack and pinion kits are brand new and built with exacting standards to the original specifications. Manual racks have a 9/16 in.-26 splined shaft and power racks have a 3/4 in.-36 splined shaft. Restore your classic's steering performance with Classic Performance Mustang II rack and pinions.

4.0 out of 5 stars ( 22 )

$348.99

Classic Performance Totally Tubular Rear Trailing Arms

Classic Performance Totally Tubular rear trailing arms are your alternative to factory arms. They are made of heavy-gauge steel for strength and are fitted with their patented high performance polyurethane bushings. These bushings are self-lubricating, can withstand temperatures of up to 400 degrees F, and are guaranteed not to squeak. Choose a stronger alternative that is totally awesome--Totally Tubular rear trailing arms from Classic Performance.

4.71 out of 5 stars ( 21 )

$504.99

Summit Racing™ Transmission Crossmembers

Summit Racing™ steel transmission crossmembers allow you to run a true dual-exhaust system with most popular GM transmissions. They have a patented double-hump design, so you don't have to compromise ground clearance by running pipes under the crossmember, and they're a complete bolt-on deal—no custom fabricating or realignment is needed. The parts are made from 1/8 in. thick boxed tubing to handle the frame-twisting power of big blocks. Order the crossmember recommended for your vehicle and transmission application.

4.68 out of 5 stars ( 583 )

$265.99

$458.99

Summit Racing™ Wheelie Bars

Racers know that wheelies may look awesome but they kill performance. Summit Racing™ wheelie bars control wheel stands without over unloading the rear tires. This puts the maximum power potential towards launching and propelling your car forward. These wheelie bars feature a fixed upper stainless steel rod for maximum strength and triangulation, a lower 6061 T-6 aluminum flat bar for fatigue resistance, and natural rubber wheels with aluminum Delrin hubs. These wheelie bar kits include all necessary mounting hardware for a quick and easy bolt-on installation, which also allows you to set clearance of the wheelie bar wheels before you lock them down to the rear housing—no welding is required.

4.79 out of 5 stars ( 14 )

$259.99

Calvert Racing Split Mono-Leaf Springs

Engineered for drag racing, Calvert Racing split mono-leaf springs have a higher spring rate and a stiffer ride than stock springs. Tested on the fastest stock suspension cars in the world, they are designed to control and reduce excessive body separation in rear suspension and plant the rear tires without unloading. The parabolic rear-half design distributes the main spring pressure point through the length of the half, reducing spring breakage. Calvert Racing split mono-leaf springs are assembled to order with Grade 8 hardware, heavy-duty alignment clamps, front aluminum bushings, and rear polyurethane bushings. They are stress-relieved and arch verified, available in several ride height options, and have been proven to withstand over 2,500 hp at 1/4 mile ETs in the 6s. Choose the springs designed for your vehicle.

4.65 out of 5 stars ( 46 )

$460.00

$495.00

UMI Performance Front and Rear Sway Bar Kits

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.

4.65 out of 5 stars ( 69 )

$419.99

PSC Quick Ratio Replacement Rack and Pinions

PSC Quick Ratio replacement rack and pinions are for your street rod or hot rod. Available in three variations, these Ford power rack and pinion units feature polished aluminum racks with 15 1/2 in. center-to-center mounting.

5.0 out of 5 stars ( 3 )

$399.99

Summit Bucks

Moog Pre-Assembled Steering Linkages

Moog pre-assembled steering linkages are direct-fit steering linkage replacement packages. They feature premium-quality materials that provide strength and durability for long-lasting performance and alignment, reducing tire wear and improving steering. Their premium components come pre-assembled for a quick and easy installation. Simply install the complete linkage and set the alignment; a one-shot solution that eliminates the need to identify, source, and assemble all of the individual parts required.

4.73 out of 5 stars ( 41 )

$423.99

$559.99

Classic Performance Stock-Type Control Arms

Classic Performance stock-type control arms are precision-engineered to provide more than just a factory fit. Stamped from heavy-gauge steel, Classic Performance Parts control arms are factory-correct, painted or powdercoated for protection, and offer superior strength and durability compared to your old ones. Keep your classic ride at performing at its best with better-made Classic Performance stock-type control arms. Varying with application, they are offered with rubber or PolyPlus urethane bushings. Some control arms feature additional caster.

4.24 out of 5 stars ( 89 )

$399.99

$478.99

Classic Performance Steering Linkage Kits

Don't nickel and dime your steering linkage upgrade. Instead, save time and money by purchasing complete Classic Performance steering linkage kits. Any wear can significantly add to sloppy steering. Each component in these kits is essential for accurate alignment; they're a must when upgrading your classic to a power steering box for maximum performance and handling. No modifications are required. Classic Performance kits are available with or without tie rod assemblies.

4.18 out of 5 stars ( 39 )

$318.99

Cardone New Rack and Pinion Units

Cardone new rack and pinion units are built better from the start. Cardone uses what they've learned from remanufacturing, as to where--and why--original parts fail. Their engineers then incorporate improvements into the Select rack and pinions, making them better than the originals. Cardone new rack and pinion units feature: * 100 percent computerized testing at load to ensure reliable performance * All rotating and actuating components are properly hardened, ground, and polished to ensure longevity of the components and their respective seals * Cardone Select Engineered (CSE) Technology ensures that all rack and pinion/gearbox units meet or exceed OE-form, fit, and function * Computerized spool valve balancing ensures exceptional feel and return-ability * Environmentally-friendly coating provides a clean appearance and prevents rust * Supplied with OE-grade seals, O-rings, and boots to provide optimal sealing performance and longevity

4.39 out of 5 stars ( 33 )

$294.99

$633.99

UMI Performance Front Sway Bars

UMI Performance front sway bars are designed to reduce body roll and under-steer and increase corning capabilities, resulting in a more balanced suspension. These front sway bars are more rigid than the factory originals and will bolt directly in place with no modifications. Each kit includes new Energy Suspension end links and greaseable sway bar bushings with new zinc plated clamshells. Nearly two dozen models are available for vehicles from 1963 and up; order the sway bar recommended for your application.

4.72 out of 5 stars ( 93 )

$259.99

$359.99

Real Deal Steel Stock Height Leaf Springs

Are your leaf springs worn-out and on their last leg? Do you need a little boost to keep your classic Chevy from sagging? Real Deal Steel stock height leaf springs are high-quality, US-made products. They include pre-installed forward eye bushings. The 5-leaf springs will provide a firmer ride than the 4-leaf spring. The 5-leaf springs came stock on all station wagons and convertibles, but are an excellent upgrade for all other body styles.

4.0 out of 5 stars ( 26 )

$359.99

$369.99

Eibach Pro-Kit Lowering Springs

Eibach's Pro-Kit lowering springs are the most popular springs they make—and there's a reason for that. These springs reduce fender gap to give your vehicle a lower, more aggressive stance. Plus, they help to lower the center of gravity to improve handling during acceleration, cornering, and braking. Best of all, you can lower your vehicle without having to change your shocks. Eibach Pro-Kits give you high performance handling and aggressive good looks. They can be ordered individually, in pairs, or as a full vehicle set. Select the model designed for your application.

4.81 out of 5 stars ( 186 )

$350.00

$395.00

Detroit Speed Leaf Springs

Detroit Speed leaf springs are made of high-quality materials to ensure long-lasting durability and performance. They're available in multiple heights and include bushings. Detroit Speed leaf springs are designed to give your ride an aggressive, show-car quality look. If you're looking to give your car a new appearance, Detroit Speed has your answer.

5.0 out of 5 stars ( 7 )

$479.95

$519.95

UMI Performance Tunnel Mounted Torque Arms

UMI Performance tunnel mounted torque arms are a proven fourth-generation setup designed to remove the front mounting point of the torque arm off of the transmission, protecting the tailshaft from damage. They also work great for transmission swaps when a clamshell torque arm is not feasible. These torque arms include instant center adjustment brackets and can be purchased with or without a front driveshaft loop. They bolt into existing floor pan holes with no drilling or welding required.

4.68 out of 5 stars ( 38 )

$329.99

$499.99

UMI Performance Transmission Mounted Torque Arms

UMI Performance transmission mounted torque arms eliminate unwanted traction problems and transfer your power to the wheels. UMI Performance transmission mounted torque arms bolt on directly in place of the factory unit using existing mounting holes and require no drilling or welding. These torque arms are designed to eliminate wheel hop under hard acceleration and reduce 60 ft. times instantly. UMI Performance transmission mounted torque arms are supplied with a low-deflection front bushing designed to replace the stock rubber bushing and bolt in the existing clamshell. The rear torque arm mount is constructed entirely of 0.375 in. thick, CNC-machined mild steel and is fully MIG-welded. These torque arms feature on-car adjustability for easy pinion angle adjustments using a 4140 heat-treated adjuster and 3/4 in. rod ends. Additional features include: * Constructed from 1.250 in. x 0.120 in. DOM seamless steel tubing * TIG-welded 4140 chromoly tube adapters * On-car adjuster built using 4140 chromoly steel and heat-treated for maximum strength * All mounting plates are CNC-machined to ensure hole-to-hole accuracy * Rear mounting plates use 0.375 in. thick mild steel and are designed to fit stock as well as 12-bolt and 9 in. rear-end housings * Rear mounts feature solid 3/4 in. rod ends and are attached using Grade 8 hardware * Durable powdercoated finish

4.84 out of 5 stars ( 19 )

$329.99

$529.99

Belltech Lowering Multi-Pack Leaf Springs

Belltech lowering mutli-pack leaf springs are designed to easily lower the rear of your leaf spring equipped Sport Truck or SUV by up to 4 in., depending on application, while still retaining a factory ride quality. By articulating the arch of the leaf spring, they provide the appropriate spring rate for a lowered ride height and utilize the latest manufacturing techniques. All leaf springs are powdercoated and come complete with OEM bushings and sleeves. Order the Belltech leaf springs that are suited to fit your needs.

4.34 out of 5 stars ( 94 )

$265.00

$375.00

Dorman Leaf Springs

Dorman leaf springs are perfect replacements for your old, worn-out springs. Built to the original specs, these leaf springs feature a black powdercoated finish to resist corrosion due to the elements to help prolong service life and include the required rubber bushings for installation. Fix up that old, tired suspension with help from Dorman and these replacement leaf springs.

4.56 out of 5 stars ( 43 )

$250.99

$544.99

Real Deal Steel Lowering Leaf Springs

Real Deal Steel lowering leaf springs provide your classic Chevy with a more aggressive stance. These high-quality leaf springs include preinstalled forward eye bushings, and both shackle spring eyes are reversed to lower your car without weakening the springs. Your ride height will be 2 in. below your original ride height.

3.9 out of 5 stars ( 10 )

$369.99

Belltech Muscle Car Leaf Springs

Replace your factory parts with Belltech muscle car leaf springs for increased handling and a sleek, lowered stance. By recalculating the arch and compensating with the appropriate spring rate, these leaf springs easily lower the rear of your muscle car by up to 4 in., depending on the application. Or, if you prefer not to lower, muscle car leaf springs are available in stock height as well. These direct OEM replacements are painted black for durability and come complete with high-quality, OEM-style bushings for your American muscle. Get quiet operation, ride comfort, and a great look when you add Belltech muscle car leaf springs.

3.22 out of 5 stars ( 9 )

$252.00

$265.00

OER Rear Leaf Springs

OER rear leaf springs are quality reproductions of the original designed to exact specifications to ensure the correct fit, form, and function. These leaf springs are available in applications to fit different make and model vehicles.

3.88 out of 5 stars ( 52 )

$459.99

$499.99

BDS Suspension Glide-Ride Leaf Springs

Upgrade the suspension of your Jeep, truck, or SUV with BDS Glide-Ride front and rear leaf springs. They offer improved handling through any conditions and provide added lift height over stock springs, making them perfect for hitting the trails, towing a heavy load, or just daily driving. Built to outperform, BDS Suspension Glide-Ride leaf springs have a multi-leaf progressive spring rate that provides a smooth ride with any load. This is accomplished with an exclusive triple-stage leaf spring design and anti-friction pads. Adding BDS Glide-Ride leaf springs to your vehicle will reduce axle wrap and provide flexibility throughout the suspension cycle. Choose the set designed for your vehicle. Note: Bushings are required and must be purchased separately.

5.0 out of 5 stars ( 4 )

$253.95

$535.95

Modal Header