Summit Racing SpeedCard - learn how to get 10% back up to $100

Summit Racing SpeedCard - learn how to get 10% back up to $100

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5 Results Found For "Challenge"

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TeraFlex Pro LCG Long Arm Suspension Systems

TeraFlex Pro LCG long arm suspension systems are an advanced high performance upgrade kit for applications such as the Jeep TJ Wrangler, designed to provide a low center of gravity (LCG) for enhanced off-road articulation and on-road handling. They feature longer, adjustable control arms to optimize suspension angles, replace the stock rear suspension with a 4-link system, and are intended for use with a coilover setup (sold separately). Additional details: * The system uses adjustable, long control arms made of durable DOM steel tubing that mount further back on the frame. This design relaxes the suspension link angles, restoring near-factory geometry, which results in a smoother ride, improved stability, and less stress on components, especially during extreme suspension droop. * Low center-of-gravity design provides excellent ground clearance without raising the vehicle's center of gravity excessively, which enhances stability on varied terrain. * The stock rear suspension and track bar are replaced with a triangulated 4-link system, which eliminates the need for a rear track bar and allows for adjustable anti-squat tunability to fine-tune performance. * Adjustable control arms allow for precise tuning of front caster and pinion angles, as well as optimizing rear pinion angles and anti-squat geometry. * Superior performance: Kit is engineered for aggressive off-road enthusiasts and is ideal for rock crawling and challenging trails, while maintaining on-road capability. * Durable construction: Components are made from CNC laser-cut, precision-bent 1/4 in. thick steel and feature a black powdercoat finish for strength and corrosion resistance.

Not Yet Reviewed

$4,275.99

ST Suspensions XTA Plus 3 Coilover Kits

ST Suspensions XTA Plus 3 coilover kits give your car maximum performance for the road and the tools you need for any challenge. From the factory, these kits are equipped with KW dampers that are adjustable in high- and low-speed compression, as well as adjustable rebound damping. With 24 clicks of adjustment for each, high-speed and low-speed compression damping and 18 clicks of rebound adjustment, your suspension knows no limits. It doesn't matter if you bolt in an aftermarket roll cage, weld in a cage, modification to PU bushings upgrade to spherical bushing or changed wheel loads—XTA Plus 3 coilovers have what it takes to keep your car dialed! Of course, the XTA Plus 3 also includes a parts approval certificate, race springs, and aluminum unibal top mounts. Order the model recommended for your vehicle. * Easy lowering adjustment: Like all ST coilovers, the lowering adjustment is made via a continuous thread on the galvanized strut. This allows the lowering to be made even when the kit is installed by turning the spring plate higher or lower. NOTE: The lowering of each vehicle differs greatly with ST XTA Plus 3 coilovers due to the type of construction. * KW Engineering, exclusive for ST suspension: The high-quality ST XTA Plus 3 coilover is based on the twin-tube damping principle of low friction combined with pressure-resistant damper housings. Manufactured directly at KW, a mono block guide and seal package reduces the friction of the damper, as well as protecting it against corrosion and dirt. Each galvanized strut is sealed multiple times to ensure maximum longevity in ALL weather conditions. Features: * Latest damping technology for maximum longevity * Reduced system friction for effective damping adjustment * Individual lowering within the tested adjustment range * Front and rear axle (when possible) with thread adjustment * Galvanized coilover struts with additional coating for an optimized corrosion protection * Complete solution with adjustable spring plate, race spring system and bumpers with dust protection * Aluminum adjustable uniball top mounts (when possible) * Scaled camber adjustment (optionally also caster), when possible * 3-way adjustable dampers: - 18 clicks low speed rebound damping - 24 clicks low speed compression damping - 24 clicks high speed compression damping

Not Yet Reviewed

$2,799.00

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

$2,609.95

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.

Not Yet Reviewed

$3,763.95

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

$3,857.95

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