ST Suspensions ST X Coilover Kit — Fits 2009-2014 Audi A4/A4 Quattro (B8)

SKU: STS13210075
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About ST Suspensions

ST Suspensions engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full ST Suspensions lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

ST X Coilover Kit for Audi A4 & A4 Quattro (B8)

Upgrade your Audi A4 or A4 Quattro (B8 chassis) with the ST X Coilover suspension system, designed for drivers who seek enhanced performance and a customizable aesthetic. This kit provides an excellent balance of sporty handling and everyday drivability for 2009-2014 Audi A4 and A4 Quattro models.

Experience Enhanced Driving Dynamics:

  • Sport-Tuned Performance: Engineered to deliver precise road handling, reducing body roll and improving responsiveness for a more connected driving feel.
  • Adjustable Ride Height: Easily set your desired vehicle height with the adjustable spring perches, allowing for a personalized stance and optimized center of gravity.
  • Superior Corrosion Protection: Features galvanized zinc-coated steel struts to combat rust and wear, ensuring longevity even in harsh conditions.
  • Durable Spring Perches: Utilizes friction-optimized polyamide composite material with stainless steel inserts, preventing corrosion between the strut and perch for reliable, long-term height adjustability.
  • Comfortable Ride: Tuned to maintain a comfortable ride quality suitable for daily commuting while offering significant performance gains.

The ST X Coilover kit offers a simple yet effective way to lower your Audi A4/A4 Quattro, improve its handling characteristics, and give it a more aggressive, sport-oriented appearance. This suspension upgrade is built for durability and consistent performance.

Get the perfect stance and handling for your Audi. Purchase the ST X Coilover Kit at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2013-2014 Audi A4 Base
2015 Audi A4 Prestige
2015-2016 Audi A4 Premium
2015-2016 Audi A4 Premium Plus
2013-2014 Audi A4 Quattro Base
2015 Audi A4 Quattro Prestige
2015-2016 Audi A4 Quattro Premium
2015-2016 Audi A4 Quattro Premium Plus
2013-2014 Audi A5 Quattro Base
2013-2014 Audi A5 Quattro Cabriolet
2015 Audi A5 Quattro Prestige
2015-2016 Audi A5 Quattro Premium
2015-2016 Audi A5 Quattro Premium Plus
2017 Audi A5 Quattro Sport
2010-2013 Audi S4 Base
2014-2016 Audi S4 Prestige
2008-2013 Audi S5 Base
2010-2013 Audi S5 Cabriolet
2014-2016 Audi S5 Premium Plus
2014-2016 Audi S5 Prestige

Product Details

Product Description
Part Numbers
Sizing & Fit

About ST Suspensions

ST Suspensions engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full ST Suspensions lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

ST X Coilover Kit for Audi A4 & A4 Quattro (B8)

Upgrade your Audi A4 or A4 Quattro (B8 chassis) with the ST X Coilover suspension system, designed for drivers who seek enhanced performance and a customizable aesthetic. This kit provides an excellent balance of sporty handling and everyday drivability for 2009-2014 Audi A4 and A4 Quattro models.

Experience Enhanced Driving Dynamics:

  • Sport-Tuned Performance: Engineered to deliver precise road handling, reducing body roll and improving responsiveness for a more connected driving feel.
  • Adjustable Ride Height: Easily set your desired vehicle height with the adjustable spring perches, allowing for a personalized stance and optimized center of gravity.
  • Superior Corrosion Protection: Features galvanized zinc-coated steel struts to combat rust and wear, ensuring longevity even in harsh conditions.
  • Durable Spring Perches: Utilizes friction-optimized polyamide composite material with stainless steel inserts, preventing corrosion between the strut and perch for reliable, long-term height adjustability.
  • Comfortable Ride: Tuned to maintain a comfortable ride quality suitable for daily commuting while offering significant performance gains.

The ST X Coilover kit offers a simple yet effective way to lower your Audi A4/A4 Quattro, improve its handling characteristics, and give it a more aggressive, sport-oriented appearance. This suspension upgrade is built for durability and consistent performance.

Get the perfect stance and handling for your Audi. Purchase the ST X Coilover Kit at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2013-2014 Audi A4 Base
2015 Audi A4 Prestige
2015-2016 Audi A4 Premium
2015-2016 Audi A4 Premium Plus
2013-2014 Audi A4 Quattro Base
2015 Audi A4 Quattro Prestige
2015-2016 Audi A4 Quattro Premium
2015-2016 Audi A4 Quattro Premium Plus
2013-2014 Audi A5 Quattro Base
2013-2014 Audi A5 Quattro Cabriolet
2015 Audi A5 Quattro Prestige
2015-2016 Audi A5 Quattro Premium
2015-2016 Audi A5 Quattro Premium Plus
2017 Audi A5 Quattro Sport
2010-2013 Audi S4 Base
2014-2016 Audi S4 Prestige
2008-2013 Audi S5 Base
2010-2013 Audi S5 Cabriolet
2014-2016 Audi S5 Premium Plus
2014-2016 Audi S5 Prestige

Product Details

Product Description

About ST Suspensions

ST Suspensions engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full ST Suspensions lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

ST X Coilover Kit for Audi A4 & A4 Quattro (B8)

Upgrade your Audi A4 or A4 Quattro (B8 chassis) with the ST X Coilover suspension system, designed for drivers who seek enhanced performance and a customizable aesthetic. This kit provides an excellent balance of sporty handling and everyday drivability for 2009-2014 Audi A4 and A4 Quattro models.

Experience Enhanced Driving Dynamics:

  • Sport-Tuned Performance: Engineered to deliver precise road handling, reducing body roll and improving responsiveness for a more connected driving feel.
  • Adjustable Ride Height: Easily set your desired vehicle height with the adjustable spring perches, allowing for a personalized stance and optimized center of gravity.
  • Superior Corrosion Protection: Features galvanized zinc-coated steel struts to combat rust and wear, ensuring longevity even in harsh conditions.
  • Durable Spring Perches: Utilizes friction-optimized polyamide composite material with stainless steel inserts, preventing corrosion between the strut and perch for reliable, long-term height adjustability.
  • Comfortable Ride: Tuned to maintain a comfortable ride quality suitable for daily commuting while offering significant performance gains.

The ST X Coilover kit offers a simple yet effective way to lower your Audi A4/A4 Quattro, improve its handling characteristics, and give it a more aggressive, sport-oriented appearance. This suspension upgrade is built for durability and consistent performance.

Get the perfect stance and handling for your Audi. Purchase the ST X Coilover Kit at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2013-2014 Audi A4 Base
2015 Audi A4 Prestige
2015-2016 Audi A4 Premium
2015-2016 Audi A4 Premium Plus
2013-2014 Audi A4 Quattro Base
2015 Audi A4 Quattro Prestige
2015-2016 Audi A4 Quattro Premium
2015-2016 Audi A4 Quattro Premium Plus
2013-2014 Audi A5 Quattro Base
2013-2014 Audi A5 Quattro Cabriolet
2015 Audi A5 Quattro Prestige
2015-2016 Audi A5 Quattro Premium
2015-2016 Audi A5 Quattro Premium Plus
2017 Audi A5 Quattro Sport
2010-2013 Audi S4 Base
2014-2016 Audi S4 Prestige
2008-2013 Audi S5 Base
2010-2013 Audi S5 Cabriolet
2014-2016 Audi S5 Premium Plus
2014-2016 Audi S5 Prestige

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