QA1 03-11 Ford Crown Victoria Pro Front Coil-Over System - Single Adj. - 9in x 650lbs/in - Aluminum

QA1 Pro Coil Systems for 2003-2011 Crown Victorias are a great option for anyone looking for fully adjustable ride height and valving control. Choose a spring rate and adjustability that fits your driving style, adjust the valving to match, and you are on your way. These shocks also utilize a fully threaded body that allows you to adjust your ride height for the perfect stance or to finely tune the weight balance for superior handling. QA1 Item number MS431-09650 Front Pro Coil single adjustable stock mount shock kit. Includes 9" spring with rating of 650 and a flat end.

• Serviceable and Rebuildable by QA1 Authorized Service Centers
• Lightweight Billet Aluminum Coil-Over Shocks
• 100% Dyno Tested and Serialized
• QA1 Item number MS431-09650
• Easy, bolt-In Installation
• Ride Height Adjustable
• Made in the USA

Upgrade the suspension of your 2003-2011 Ford Crown Victoria with the QA1 MS431-09650 Pro Front Coil-Over System. This front single-adjustable stock-mount shock kit provides ride-height adjustment and valving control, allowing you to tailor suspension performance to your driving style. The fully threaded shock body helps achieve the desired stance while offering precise control for handling and weight balance adjustments. The kit includes a 9-inch spring with a 650 lb/in spring rate and flat-end design.
Built for performance and serviceability, the QA1 Pro Coil System uses lightweight billet aluminum coil-over shocks that are 100% dyno tested and serialized. The single-adjustable design makes it easier to fine-tune shock performance for improved ride and handling characteristics. The bolt-in installation is designed to simplify installation while retaining compatibility with the vehicle’s stock mounting location. This system is a practical choice for street, performance, and custom suspension applications.
The QA1 MS431-09650 is serviceable and rebuildable through QA1 authorized service centers and is made in the USA. Its adjustable ride height and included spring combination provide a dependable foundation for setting up your Crown Victoria according to your preferred handling balance and appearance. Professional installation and alignment are recommended after installation to verify proper suspension geometry and vehicle operation.

Features:

• Application: Fits 2003-2011 Ford Crown Victoria models

• Configuration: Front Pro Coil single-adjustable stock-mount shock kit

• Spring: Includes a 9-inch flat-end spring with a 650 lb/in spring rate

• Adjustment: Fully adjustable ride height and shock valving control

• Construction: Lightweight billet aluminum coil-over shocks

• Installation: Easy bolt-in installation using the stock mounting location

• Testing: 100% dyno tested and serialized

• Serviceability: Serviceable and rebuildable through QA1 authorized service centers

• Manufacturing: Made in the USA

• Part Number: QA1 MS431-09650

Fitment:
Ford Crown Victoria Base 2003
Ford Crown Victoria Base 2004
Ford Crown Victoria Base 2005
Ford Crown Victoria Base 2006
Ford Crown Victoria Base 2007
Ford Crown Victoria Base 2008
Ford Crown Victoria Base 2010
Ford Crown Victoria Base 2011
Ford Crown Victoria Fleet 2006
Ford Crown Victoria Fleet 2007
Ford Crown Victoria Fleet 2008
Ford Crown Victoria Fleet 2009
Ford Crown Victoria LWB 2003
Ford Crown Victoria LWB 2004
Ford Crown Victoria LWB 2005
Ford Crown Victoria LWB 2006
Ford Crown Victoria LWB 2007
Ford Crown Victoria LWB 2008
Ford Crown Victoria LWB 2009
Ford Crown Victoria LX 2003
Ford Crown Victoria LX 2004
Ford Crown Victoria LX 2005
Ford Crown Victoria LX 2006
Ford Crown Victoria LX 2007
Ford Crown Victoria LX 2008
Ford Crown Victoria LX 2009
Ford Crown Victoria LX 2010
Ford Crown Victoria LX 2011
Ford Crown Victoria LX Sport 2004
Ford Crown Victoria LX Sport 2005
Ford Crown Victoria LX Sport 2006
Ford Crown Victoria Police Interceptor 2003
Ford Crown Victoria Police Interceptor 2004
Ford Crown Victoria Police Interceptor 2005
Ford Crown Victoria Police Interceptor 2006
Ford Crown Victoria Police Interceptor 2007
Ford Crown Victoria Police Interceptor 2008
Ford Crown Victoria Police Interceptor 2009
Ford Crown Victoria Police Interceptor 2010
Ford Crown Victoria Police Interceptor 2011
Ford Crown Victoria S 2003
Ford Crown Victoria S 2004
Ford Crown Victoria S 2005
Ford Crown Victoria Special Edition 2005