Fits 2001-2006 BMW M3 Base models. Designed for drivers seeking precision handling and track-ready performance, the ST XTA coilover system offers comprehensive control over your vehicle's stance and damping characteristics.

Engineered by suspension specialists at KW in Germany, each ST XTA kit features a 16-click rebound adjustment system, allowing you to fine-tune the driving dynamics between comfort and sport. The included aluminum unibal top mounts provide front axle camber adjustment, enabling aggressive wheel fitment and optimized tire contact patches for high-speed cornering. For long-term durability, the struts are constructed from galvanized zinc-coated steel and utilize a friction-optimized polyamide composite spring perch with a stainless steel insert to prevent corrosion and seizing.

• Adjustable Rebound Damping: 16 distinct clicks to refine rebound forces for personalized driving dynamics.
• Camber Adjustable Top Mounts: Aluminum unibal mounts allow for precise front-end alignment and improved steering feedback.
• Premium Construction: Galvanized steel housings and hardened chrome piston rods provide maximum resistance to environmental wear.
• KW Engineering: Hand-built and dyno-tested in Fichtenberg, Germany to ensure consistent damping force.
• Linear Race Springs: Provides predictable spring rates and easy swapping for custom track setups.
• Advanced Sealing: Multi-layered pressure-resistant sealing package and integrated dust protection systems protect internal valve packs.
• Warranty: 5-Year Limited Warranty with unlimited mileage.
• MPN: 18220823

Fits 1995-1999 BMW M3 Base and Lightweight (E36).

The ST Suspension XTA coilover system is engineered for drivers seeking precision handling and total control over their vehicle's stance. Built by KW in Germany, these coilovers feature 16 distinct clicks of rebound adjustment, allowing you to fine-tune the damping profile between compliant daily driving and track-ready stiffness. The system includes aluminum unibal top mounts, providing necessary camber adjustment at the front axle to optimize tire contact patches and sharpen steering feedback.

Engineered for longevity, the XTA series utilizes galvanized zinc-coated steel struts and a friction-optimized polyamide composite spring perch. A stainless steel insert within the perch prevents oxidation between the strut threads and the seat, ensuring the height remains adjustable even after years of use in harsh environments. Each kit is equipped with a linear race spring system and is dyno-tested to verify performance before leaving the factory.

• 16-way adjustable rebound damping for personalized driving dynamics
• Aluminum unibal camber-adjustable front top mounts
• Linear race spring system for consistent, predictable handling
• Galvanized steel strut housings for superior corrosion resistance
• Polyamide composite spring perch with stainless steel reinforcement
• Hardened chrome piston rods with multi-layered pressure-resistant seals
• Hand-built by KW in Germany and dyno-verified
• Manufacturer Part Number: 18220812
• 5-Year Limited Warranty, Unlimited Mileage

Fits select 2020-2024 BMW M240i xDrive and M340i xDrive models. ST XA coilovers are designed for drivers who want to control more than just their ride height. This system features 16 distinct clicks of adjustable rebound damping, allowing you to fine-tune your vehicle's driving dynamics for either enhanced comfort or sharper handling with a simple turn of the adjustment knob.

• Precision Damping: 16-way adjustable rebound damping to refine road control and handling feel.
• Durable Construction: Galvanized zinc-plated steel struts provide superior corrosion resistance for long-term reliability.
• Advanced Materials: Friction-optimized polyamide composite spring perches feature stainless steel inserts to prevent oxidation and ensure ease of adjustment over time.
• German Engineering: Hand-built by KW experts in Germany and tested on shock dynos to verify performance before shipping.
• Dust Protection: Integrated elastomer bump stops and a multi-layered sealing package protect the hardened chrome piston rods from debris and moisture.

Each kit (MPN: 182200DK) includes a detailed manual for easy setup and includes a 5-year limited warranty with unlimited mileage.

Fits 2020-2024 BMW M240i, M340i, and M440i Base models. The ST XA Coilover Kit allows for precise ride height adjustment and customizable handling dynamics, bridgeing the gap between street comfort and track-oriented performance. Engineered by KW in Germany, these dampers feature 16 distinct clicks of adjustable rebound damping, allowing you to fine-tune the suspension response to your driving style.

Constructed with galvanized zinc-coated steel struts for maximum corrosion resistance, the ST XA series utilizes a friction-optimized polyamide composite spring perch with a stainless steel insert to prevent oxidation and ensure long-term adjustability. Every damper is dyno-tested to meet strict performance tolerances before shipment, ensuring consistent damping forces across all four corners of the vehicle.

• 16-click adjustable rebound damping for personalized driving dynamics
• Galvanized zinc-coated steel strut housings for superior corrosion protection
• Durable polyamide composite spring perches with stainless steel reinforcement
• Seamless ride height adjustment via unique trapezoidal thread pitch
• Integrated elastomer bump stops with dust protection systems
• Hand-built by KW in Fichtenberg, Germany
• Includes detailed damper setup manual and adjustment tools
• Manufacturer Part Number: 182200CL
• 5-Year Limited Warranty (Unlimited Mileage)

Fits select 2006-2013 BMW 3 Series xDrive AWD models, including 325xi, 328i/xi, 330xi, and 335i/xi (E90 Sedan / E92 Coupe).

The ST XA Coilover kit provides a significant upgrade in handling and aesthetics for BMW E90 and E92 xDrive platforms. Unlike entry-level kits, the XA series features 16 distinct clicks of adjustable rebound damping, allowing you to fine-tune the driving dynamics between comfort-oriented road use and aggressive sport performance. Each kit is built by hand by KW in Germany and dyno-tested to ensure damping consistency before leaving the factory.

To ensure long-term durability in harsh environments, these coilovers utilize galvanized zinc-coated steel struts and a unique composite spring perch. The polyamide composite material, reinforced with a stainless steel insert, prevents the corrosion and oxidation common with aluminum perches, ensuring the height remains easily adjustable for years to come. A complete dust protection system with resilient elastomer bump stops protects the hardened chrome piston rods from road debris and moisture.

• 16 clicks of adjustable rebound damping for personalized ride control
• Continuous ride height adjustment via friction-optimized polyamide spring perches
• Galvanized zinc-coated strut housings for superior corrosion resistance
• Hardened chrome piston rods with multi-layered pressure-resistant sealing
• Elastomer bump stops with integrated dust protection
• Manufactured by KW in Germany
• Manufacturer Part Number: 18220048
• 5-Year Limited Warranty (Unlimited Mileage)

Fits 2006-2013 BMW 325i, 328i, 330i, 335i, and 335is (Base models).

Engineered for drivers who want to influence more than just ride height, the ST XA coilover system offers a wide range of height adjustment combined with 16 clicks of adjustable rebound damping. This system allows you to precisely dial in your BMW's driving behavior, achieving enhanced road control and reduced body roll without sacrificing daily comfort. Built by hand by the suspension experts at KW in Germany, each damper is tested on a shock dyno to ensure consistent performance and proper damping forces.

Construction features galvanized zinc-coated steel struts for long-term corrosion resistance. The adjustable spring perches are manufactured from a wear-resistant, friction-optimized polyamide composite with a stainless steel insert, preventing the oxidation and seizing common with traditional aluminum perches. A complete dust protection system—including elastomer bump stops and integrated seals—shields the hardened chrome piston rods from road debris and moisture.

• 16 distinct clicks of adjustable rebound damping for personalized handling
• Galvanized zinc-plated steel housings for maximum corrosion protection
• Polyamide composite spring perches with stainless steel inserts to prevent seizing
• Low-friction internal damper components and multi-layer pressure-resistant seals
• Preset factory damper settings for easy out-of-the-box installation
• Made in Germany by KW experts
• Manufacturer Part Number: 18220032
• 5-Year Limited Warranty / Unlimited Mileage

Fits 2013-2020 BMW 335i xDrive, 340i xDrive, 435i xDrive, and 440i xDrive (Base submodels).

Take control of your vehicle's driving dynamics with the ST XA Coilover kit. Engineered for drivers who want to customize more than just ride height, the ST XA series features 16 distinct clicks of adjustable rebound damping. This allows you to fine-tune the balance between track-inspired handling and daily driving comfort with a simple turn of the adjustment knob.

Built by hand in Fichtenberg, Germany by the suspension experts at KW, these coilovers utilize galvanized zinc-coated steel struts for superior corrosion resistance. The unique composite spring perch, reinforced with a stainless steel insert, ensures the height adjustment remains easy to operate even after years of exposure to the elements. Every damper is tested on a shock dyno to verify precise force delivery before it is boxed.

• Adjustable Rebound: 16-click adjustable damping to refine driving dynamics.
• Height Adjustment: Precise ride height control via a friction-optimized polyamide composite perch.
• Durable Construction: Zinc galvanized housings and hardened chrome piston rods for long-term reliability.
• Integrated Protection: Dust protection system and elastomer bump stops prevent debris from reaching the seals.
• KW Engineering: Hand-built and dyno-tested to ensure performance and quality.
• Manufacturer Part Number: 1822000S
• Warranty: 5-Year Limited Warranty with unlimited mileage.

Fits select 2013-2020 BMW 320i, 328d, 328i, 330i, 428i, and 430i xDrive models (F30/F32).

ST XA coilovers are engineered for drivers who want total control over both ride height and damping characteristics. Built by KW in Germany, these kits feature 16 distinct clicks of adjustable rebound damping, allowing you to fine-tune the balance between track-ready handling and daily driving comfort with a simple turn of the adjustment knob. Every damper is dyno-tested to ensure performance matches the exact factory-recommended settings before it leaves the facility.

Construction features include galvanized zinc-coated steel struts for superior corrosion resistance and a specialized dust protection system to shield the hardened chrome piston rods and valve packs. To ensure long-term adjustability, the spring perches are manufactured from a friction-optimized polyamide composite with a stainless steel insert, preventing the common issue of oxidation-related seizing between the strut and the perch.

• 16-way adjustable rebound damping for precise suspension tuning
• Seamless ride height adjustment via trapezoidal thread pitch
• Galvanized zinc-coated steel housings for maximum corrosion protection
• Composite spring perches with stainless steel inserts for strength and durability
• Elastomer bump stops with integrated dust protection
• Hand-built and dyno-tested by KW in Germany
• Manufacturer Part Number: 1822000R
• Warranty: 5-Year Limited / Unlimited Mileage

Fits select 2012-2021 BMW 2 Series, 3 Series, and 4 Series models including 228i, 230i, 335i, 340i, 435i, 440i, M235i, and M240i with EDC (Electronic Damper Control).

The ST XA series is engineered for drivers who demand influence over both ride height and damping behavior. Built by hand by the experts at KW in Germany, these coilovers feature an extensively adjustable damper setup that allows you to precisely dial in driving dynamics without compromising street comfort. With 16 distinct clicks of rebound adjustment, you can toggle between a firm, sporty response and a smoother ride with a simple turn of the adjustment knob.

Constructed for longevity, the kit features galvanized zinc-coated steel struts for maximum corrosion protection. The height adjustment is managed via a friction-optimized polyamide composite spring perch with a stainless steel insert. Unlike traditional metal perches, this composite material prevents oxidation and seizing between the strut and the perch, ensuring the threads remain adjustable through years of use.

• 16 clicks of adjustable rebound damping for personalized handling control
• Seamless ride height adjustment via unique trapezoidal thread pitch
• Galvanized zinc-coated steel housings for superior weather resistance
• Wear-resistant composite spring perches with high-strength stainless steel inserts
• Hardened chrome piston rods with integrated dust protection systems
• Multi-layered pressure-resistant sealing and mono block guide system
• Every damper is dyno-tested by KW to verify performance before shipping
• Manufacturer Part Number: 1822000G
• 5-Year Limited Warranty / Unlimited Mileage

Fits select 2012-2021 BMW 2-Series, 3-Series, and 4-Series RWD models (including 228i, 230i, 335i, 340i, 435i, 440i, M235i, and M240i) without Electronic Damper Control (EDC).

ST XA Coilovers are engineered for drivers who want to influence more than just ride height. This height and rebound-adjustable system allows you to precisely tune your vehicle's driving behavior, delivering enhanced road control without sacrificing comfort. Hand-built by KW in Germany, every damper is tested on a shock dyno to verify performance before it leaves the factory.

The assembly features galvanized zinc-coated steel struts for maximum corrosion protection. The adjustable spring perches are made from a friction-optimized polyamide composite with a stainless steel insert, preventing the oxidation and seizing common with traditional metal perches. For long-term reliability, a multi-layered pressure-resistant sealing package and a low-friction piston band operate within the hardened chrome piston rod assembly.

• Rebound Adjustment: 16 distinct clicks of adjustable damping to refine driving dynamics between comfort and sportiness.
• Seamless Height Adjustment: Friction-optimized polyamide composite perches with unique trapezoidal thread pitch for easy adjustments.
• Corrosion Resistance: Zinc-galvanized steel housings designed for longevity in harsh environments.
• Premium Components: Includes elastomer bump stops with integrated dust protection to shield the piston rod and internal seals.
• German Engineering: Built by KW experts in Fichtenberg, Germany.
• Manufacturer Part Number: 1822000F
• Warranty: 5-Year Limited Warranty (Unlimited Mileage).

Fits select 2005-2017 Audi A3, TT, and Volkswagen Golf, Jetta, Rabbit, and R32 models (2.0T).

The ST XTA coilover system is engineered for drivers seeking absolute control over their vehicle's stance and handling dynamics. Hand-built by KW in Germany, these coilovers feature 16 distinct clicks of adjustable rebound damping, allowing you to precisely fine-tune the balance between compliant street driving and high-speed stability. Unlike basic height-adjustable kits, the XTA series includes aluminum unibal top mounts to sharpen steering response and provide camber adjustment for optimized tire contact patches.

• Adjustable Damping: 16 clicks of rebound adjustment to refine driving dynamics with a simple turn of a knob.
• Premium Construction: Galvanized steel strut housings provide superior corrosion protection, paired with a multi-layered sealing package and dust protection for the hardened chrome piston rods.
• Advanced Materials: Friction-optimized polyamide composite spring perches with stainless steel inserts prevent seizing and oxidation for long-term adjustability.
• Linear Spring System: Equipped with a linear race spring setup for consistent, predictable response and easy rate swapping for personalized tuning.
• Precision Manufacturing: Every damper is dyno-tested to verify performance before shipping.
• Manufacturer Part Number: 18210850
• Warranty: 5-Year Limited Warranty with unlimited mileage.

Fits select 2008-2017 Audi A4, A5, S4, and S5 (B8/B8.5 chassis).

The ST XA Coilover Kit is engineered for drivers who want to influence more than just ride height. Featuring 16 distinct clicks of adjustable rebound damping, these coilovers allow you to precisely tune your Audi's driving behavior to achieve enhanced road control or improved ride comfort. Each kit is hand-built by KW in Germany and tested on shock dynos to ensure consistent performance and damping force before it leaves the factory.

Constructed with galvanized zinc-coated steel struts, the ST XA system is designed for long-term corrosion resistance. The ride height adjustment is managed via a friction-optimized polyamide composite spring perch with a stainless steel insert, preventing the oxidation and seizing common in all-metal designs. This ensures your height remains easily adjustable even after years of exposure to road debris and the elements.

• 16 clicks of adjustable rebound damping for personalized driving dynamics
• Continuous ride height adjustment with a unique trapezoidal thread pitch
• Zinc galvanized steel strut housings for maximum corrosion protection
• Composite spring perches with stainless steel inserts for strength and durability
• Elastomer bump stops with integrated dust protection systems to protect internal seals
• Multi-layered pressure resistant sealing package and mono block guide system
• Manufacturer Part Number: 18210075
• Hand-built by KW in Fichtenberg, Germany
• 5-Year Limited Warranty (Unlimited Mileage)

Fits 2015-2020 Volkswagen GTI Autobahn, Rabbit Edition, S, SE, and Sport models not equipped with Dynamic Chassis Control (DCC).

The ST Suspensions ST X Coilover kit is engineered for drivers who want to lower their vehicle while maintaining refined road comfort. Built by the experts at KW in Fichtenberg, Germany, these coilovers feature vehicle-specific damping and spring rates tuned to provide a sporty, responsive feel. The dampers utilize a low-friction piston band and a multi-layered, pressure-resistant sealing package inside a galvanized zinc-coated steel housing for maximum durability.

Construction quality is a priority, utilizing friction-optimized polyamide composite spring perches with integrated stainless steel inserts. This design prevents the corrosion and seizing often found with traditional metal-on-metal perches, ensuring your ride height remains adjustable even after years of use. Each damper is individually tested on a shock dyno to verify precise force delivery before leaving the factory.

• Galvanized steel damper housings for optimized corrosion protection
• Friction-optimized polyamide composite perches with stainless steel inserts for long-term adjustability
• Hardened chrome piston rods with integrated elastomer bump stops and dust protection
• Seamless ride height adjustment via a unique trapezoidal thread pitch
• Hand-built by KW in Germany and dyno-tested for performance accuracy
• Includes all necessary hardware for installation on non-DCC factory mounting points
• 5-Year Limited Warranty / Unlimited Mileage
• Manufacturer Part Number: 1328000N

Fits select 2002-2007 Subaru Impreza, WRX, and 2004 WRX STI models.

The ST Suspensions ST X Coilover Kit is engineered for the enthusiast who wants a balance of daily-driven comfort and aggressive handling. Developed in collaboration with KW, these coilovers feature vehicle-specific spring rates and damping profiles tuned by dynamics engineers in Germany. The kit allows for precise ride height adjustment using a unique trapezoidal thread pitch on galvanized zinc-coated steel struts, ensuring excellent corrosion resistance and longevity.

Each ST X kit is hand-built and verified on a shock dyno before shipping. The system utilizes a durable, friction-optimized polyamide composite spring perch reinforced with a stainless steel insert to prevent oxidation between the strut and the adjuster. To protect the internal valving, an integrated dust protection system and resilient elastomer bump stops act as dynamic load limiters, maintaining ride quality even under heavy compression.

• Manufacturer Part Number: 13245004
• Galvanized steel damper housings for maximum corrosion protection
• Friction-optimized polyamide composite spring perches with stainless steel inserts
• High-resilient elastomer bump stops with integrated dust protection
• Multi-layered pressure-resistant sealing package and low-friction piston band
• Hand-built in Fichtenberg, Germany by KW experts
• Tested on a shock dyno for verified performance
• Warranty: 5-Year Limited Warranty / Unlimited Mileage

Fits 2012-2019 Fiat 500 models including Abarth, Turbo, Lounge, Pop, Sport, and Cabrio versions.

The ST X Coilover kit is engineered for drivers who want to lower their ride height and sharpen handling without sacrificing daily drivability. Built by the suspension specialists at KW in Germany, these coilovers utilize vehicle-specific spring rates and damper tuning to optimize the Fiat 500 chassis. The dampers feature hardened chrome piston rods and a multi-layered pressure-resistant sealing system to ensure long-term performance under various driving conditions.

Durability is a core focus of the ST X series. The strut housings are constructed from galvanized steel for superior corrosion resistance. To prevent the common issue of seized spring seats, ST uses a composite spring perch made from wear-resistant polyamide with a stainless steel insert. This combination prevents oxidation between the strut and the perch, allowing for smooth height adjustments even after years of use.

• Galvanized steel strut housings for maximum corrosion protection
• Polyamide composite spring perches with stainless steel inserts to prevent seizing
• Elastomer bump stops with integrated dust protection for piston rod longevity
• Hand-built and dyno-tested by KW in Fichtenberg, Germany
• Twin-tube damper technology with pre-set damping rates
• Seamless ride height adjustment via trapezoidal thread pitch
• 5-Year Limited Warranty with unlimited mileage
• Manufacturer Part Number: 13240025

Fits 2013-2018 Ford Focus ST.

ST X Height Adjustable Coilovers provide a balanced suspension solution for the daily driver seeking improved handling without sacrificing road comfort. These kits feature vehicle-specific damping and spring rates tuned by KW Automotive engineers in Germany to eliminate the guesswork of suspension setup. The system utilizes galvanized zinc-coated steel struts for long-term corrosion resistance and durability in all weather conditions.

• Precision Adjustment: Friction-optimized polyamide composite spring perches with stainless steel inserts allow for seamless ride height changes without the risk of oxidation or seizing.
• Advanced Internals: Features a multi-layered pressure-resistant sealing package, mono-block guide system, and low-friction piston bands for consistent damping control.
• Component Protection: Integrated elastomer bump stops and a dedicated dust protection system shield the hardened chrome piston rods from road debris and moisture.
• Proven Quality: Hand-assembled by KW in Fichtenberg, Germany, with every damper verified on a shock dyno to ensure it meets strict performance tolerances.
• Warranty: 5-year limited warranty with unlimited mileage.
• Manufacturer Part Number: 13230059

The ST X system uses a specialized trapezoidal thread pitch to make height adjustments straightforward while ensuring the spring perch remains securely seated under load.

Fits select 2011-2023 Chrysler 300 and Dodge Charger models. The ST X Coilover Kit (MPN 13227019) is engineered for drivers who demand a lower stance and improved handling without sacrificing daily ride comfort. Hand-built by the suspension experts at KW in Germany, each damper is dyno-tested to ensure precise damping forces and long-term durability on the street.

Constructed with galvanized zinc-coated steel struts, these coilovers offer superior corrosion resistance. The height-adjustable spring perches are made from a durable polyamide composite with a stainless steel insert, preventing oxidation and seizing between the strut and the perch over time. This design ensures you can easily dial in your ride height using the unique trapezoidal thread pitch.

• Fitment: 2011-2023 Chrysler 300 and Dodge Charger
• Construction: Galvanized steel housings with hardened chrome piston rods
• Adjustment: Friction-optimized polyamide composite spring perches
• Sealing: Multi-layered pressure resistant sealing package with integrated dust protection
• Engineering: Dampers and spring rates tuned by KW vehicle dynamics engineers
• Warranty: 5-Year Limited Warranty (Unlimited Mileage)
• Country of Origin: Made in Germany
• Part Number: 13227019

Fits 2001-2005 Dodge Neon ACR, R/T, and SRT-4 models.

The ST X Coilover Kit (MPN 13227003) is engineered by the suspension experts at KW to provide a balance of sporty handling and daily driving comfort. These coilovers allow for precise, seamless ride height adjustment through a unique trapezoidal thread pitch and a friction-optimized polyamide composite spring perch. Unlike traditional aluminum perches, this composite material with a stainless steel insert prevents oxidation and corrosion between the strut and the perch, ensuring the suspension remains adjustable for years to come.

To ensure long-lasting durability, each strut features a galvanized zinc-coated steel housing and a hardened chrome piston rod protected by a multi-layered sealing package and an integrated dust protection system. Every kit is hand-assembled and dyno-tested in Germany to ensure the damping forces perfectly match the specific spring rates for the Dodge Neon platform.

• Galvanized steel strut housings for superior corrosion resistance
• Friction-optimized polyamide composite spring perch with stainless steel insert
• Vehicle-specific damper and spring rates tuned by KW engineering
• Hand-built and shock-dyno tested in Fichtenberg, Germany
• Hardened chrome piston rods with multi-layered pressure-resistant seals
• Elastomer bump stops with integrated dust protection system
• Manufacturer Part Number: 13227003
• 5-Year Limited Warranty (Unlimited Mileage)

Fits select 2006-2013 BMW 325xi, 328xi, 328i xDrive, and 330xi AWD models (E90 Sedan / E92 Coupe).

The ST Suspensions ST X Coilover kit is engineered by KW to provide a balance between aggressive handling and street-driven comfort for BMW xDrive models. This height-adjustable suspension system allows you to lower your center of gravity while maintaining the ride quality necessary for a daily driver. Each kit features galvanized zinc-coated steel struts for maximum corrosion protection and utilizes a friction-optimized polyamide composite spring perch with a stainless steel insert to prevent oxidation and seizing over time.

Internally, the ST X dampers feature KW engineering including a multi-layered pressure-resistant sealing package, a hardened chrome piston rod, and a low-friction piston band. Every unit is tested on a shock dyno to ensure performance matches the vehicle-specific spring rates and damping curves before leaving the factory in Fichtenberg, Germany.

• Manufacturer Part Number: 13220048
• Height Adjustment: Seamless adjustment via trapezoidal thread pitch and composite perches
• Construction: Galvanized steel strut housings and hardened chrome piston rods
• Protection: Integrated elastomer bump stops and dust protection system
• Engineering: Twin-tube damping technology tuned by KW Germany
• Warranty: 5-Year Limited Warranty, Unlimited Mileage
• Origin: Made in Germany

Fits select 2008-2017 Audi A4, A5, S4, and S5 models (B8/B8.5 chassis).

The ST X Coilover suspension is engineered for the enthusiast who demands a lower stance and improved cornering without sacrificing daily drivability. Built by the experts at KW in Fichtenberg, Germany, these kits feature application-specific spring rates and damping profiles to balance sporty handling with road comfort. Each damper is verified on a shock dyno to ensure performance consistency before leaving the factory.

Durability is central to the ST X design. The struts are constructed from galvanized zinc-coated steel for maximum corrosion resistance. Height adjustment is handled by a friction-optimized polyamide composite spring perch with a stainless steel insert, preventing the oxidation and seizing common with all-metal designs. A multi-layered pressure sealing system and integrated dust boots protect the hardened chrome piston rods from road debris and moisture.

• Individual ride height adjustability using a unique trapezoidal thread pitch
• Galvanized steel strut housings for long-term corrosion protection
• Polyamide composite spring perches with stainless steel inserts
• Internal mono block guide system with low-friction piston bands
• Elastomer bump stops with integrated dust protection
• KW-engineered damping technology for street performance
• 5-Year Limited Warranty / Unlimited Mileage
• Made in Germany
• Manufacturer Part Number: 13210075

Fits select 2005-2015 Audi A3, TT, TT Quattro, TT RS, and TTS, along with Volkswagen Golf, GTI, and Jetta (2.0T).

The ST Suspensions ST X Coilover kit is engineered for drivers who demand better cornering performance without sacrificing daily road comfort. Developed in partnership with KW, these coilovers feature vehicle-specific spring rates and damping profiles to ensure a perfectly balanced ride. The system uses a galvanized zinc-coated steel strut housing for maximum corrosion resistance, paired with a hardened chrome piston rod and a multi-layered pressure-resistant sealing package for long-term durability.

For easy height adjustments, the kit utilizes a friction-optimized polyamide composite spring perch with a stainless steel insert. This design prevents the common issue of oxidation between the strut and the perch, ensuring the threads remain clean and adjustable for years to come. Every damper is tested on a shock dyno in Germany to verify performance before leaving the factory.

• Manufactured by KW in Fichtenberg, Germany
• Galvanized steel strut housings for superior corrosion protection
• Hardened chrome piston rods with integrated dust protection systems
• Friction-optimized polyamide composite spring perches with stainless steel inserts
• Trapezoidal thread pitch for seamless height adjustment
• Dynamic elastomer bump stops for improved ride quality at the limit
• Manufacturer Part Number: 13210039
• 5-Year Limited Warranty (Unlimited Mileage)