QA1 Pro Coil-Over System - Single Adj. - 9in x 450lbs/in - Aluminum — Fits 2003-2011 Ford Crown Victoria

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SKU: QAPMS431-09450
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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 QA1

QA1 engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full QA1 lineup with fast shipping and expert fitment support — order with confidence.

QA1 Pro Coil-Over System for 2003-2011 Ford Crown Victoria

Elevate your Crown Victoria's performance with the QA1 Pro Coil-Over System. Designed specifically for 2003-2011 Ford Crown Victoria models, including Base, Fleet, LWB, LX, LX Sport, Police Interceptor, S, and Special Edition submodels, this system offers unparalleled adjustability and control.

Key Features:

  • Adjustable Ride Height: The fully threaded body allows you to precisely set your vehicle's ride height, achieving the perfect stance or optimizing weight distribution for improved handling.
  • Single Adjustable Valving: Fine-tune your suspension's damping characteristics to match your driving style, whether you prioritize comfort or aggressive performance.
  • Optimized Spring Rate: This specific kit features a 450 lbs/in spring rate, providing a balanced blend of responsiveness and comfort for street and occasional track use.
  • Durable Aluminum Construction: Built with high-quality aluminum for reduced weight and enhanced corrosion resistance, ensuring longevity and performance.
  • Direct Fit Installation: Engineered for a straightforward installation on your Crown Victoria, minimizing downtime and getting you back on the road faster.

Experience a significant improvement in your Crown Victoria's handling, cornering, and overall driving dynamics. The QA1 Pro Coil-Over System is the ideal upgrade for enthusiasts seeking a customizable and high-performance suspension solution. Discover the difference quality engineering makes for your vehicle.

Shop the QA1 Pro Coil-Over System at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2003-2005 Ford Crown Victoria S
2003-2008 Ford Crown Victoria Base
2003-2009 Ford Crown Victoria LWB
2003-2011 Ford Crown Victoria LX
2004-2006 Ford Crown Victoria LX Sport
2005 Ford Crown Victoria Special Edition
2006-2009 Ford Crown Victoria Fleet
2010-2011 Ford Crown Victoria Base

Product Details

Product Description
Part Numbers
Sizing & Fit

About QA1

QA1 engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full QA1 lineup with fast shipping and expert fitment support — order with confidence.

QA1 Pro Coil-Over System for 2003-2011 Ford Crown Victoria

Elevate your Crown Victoria's performance with the QA1 Pro Coil-Over System. Designed specifically for 2003-2011 Ford Crown Victoria models, including Base, Fleet, LWB, LX, LX Sport, Police Interceptor, S, and Special Edition submodels, this system offers unparalleled adjustability and control.

Key Features:

  • Adjustable Ride Height: The fully threaded body allows you to precisely set your vehicle's ride height, achieving the perfect stance or optimizing weight distribution for improved handling.
  • Single Adjustable Valving: Fine-tune your suspension's damping characteristics to match your driving style, whether you prioritize comfort or aggressive performance.
  • Optimized Spring Rate: This specific kit features a 450 lbs/in spring rate, providing a balanced blend of responsiveness and comfort for street and occasional track use.
  • Durable Aluminum Construction: Built with high-quality aluminum for reduced weight and enhanced corrosion resistance, ensuring longevity and performance.
  • Direct Fit Installation: Engineered for a straightforward installation on your Crown Victoria, minimizing downtime and getting you back on the road faster.

Experience a significant improvement in your Crown Victoria's handling, cornering, and overall driving dynamics. The QA1 Pro Coil-Over System is the ideal upgrade for enthusiasts seeking a customizable and high-performance suspension solution. Discover the difference quality engineering makes for your vehicle.

Shop the QA1 Pro Coil-Over System at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2003-2005 Ford Crown Victoria S
2003-2008 Ford Crown Victoria Base
2003-2009 Ford Crown Victoria LWB
2003-2011 Ford Crown Victoria LX
2004-2006 Ford Crown Victoria LX Sport
2005 Ford Crown Victoria Special Edition
2006-2009 Ford Crown Victoria Fleet
2010-2011 Ford Crown Victoria Base

Product Details

Product Description

About QA1

QA1 engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full QA1 lineup with fast shipping and expert fitment support — order with confidence.

QA1 Pro Coil-Over System for 2003-2011 Ford Crown Victoria

Elevate your Crown Victoria's performance with the QA1 Pro Coil-Over System. Designed specifically for 2003-2011 Ford Crown Victoria models, including Base, Fleet, LWB, LX, LX Sport, Police Interceptor, S, and Special Edition submodels, this system offers unparalleled adjustability and control.

Key Features:

  • Adjustable Ride Height: The fully threaded body allows you to precisely set your vehicle's ride height, achieving the perfect stance or optimizing weight distribution for improved handling.
  • Single Adjustable Valving: Fine-tune your suspension's damping characteristics to match your driving style, whether you prioritize comfort or aggressive performance.
  • Optimized Spring Rate: This specific kit features a 450 lbs/in spring rate, providing a balanced blend of responsiveness and comfort for street and occasional track use.
  • Durable Aluminum Construction: Built with high-quality aluminum for reduced weight and enhanced corrosion resistance, ensuring longevity and performance.
  • Direct Fit Installation: Engineered for a straightforward installation on your Crown Victoria, minimizing downtime and getting you back on the road faster.

Experience a significant improvement in your Crown Victoria's handling, cornering, and overall driving dynamics. The QA1 Pro Coil-Over System is the ideal upgrade for enthusiasts seeking a customizable and high-performance suspension solution. Discover the difference quality engineering makes for your vehicle.

Shop the QA1 Pro Coil-Over System at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2003-2005 Ford Crown Victoria S
2003-2008 Ford Crown Victoria Base
2003-2009 Ford Crown Victoria LWB
2003-2011 Ford Crown Victoria LX
2004-2006 Ford Crown Victoria LX Sport
2005 Ford Crown Victoria Special Edition
2006-2009 Ford Crown Victoria Fleet
2010-2011 Ford Crown Victoria Base

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