SKU: MS431-09550 | UPC: 806990159915
QA1 03-11 Ford Crown Victoria Pro Front Coil-Over System - Single Adj. - 9in x 550lbs/in - Aluminum
QA1 Pro Front Coil-Over System delivers precise ride height adjustment and single adjustable valving for 2003-2011 Ford Crown Victoria models. This bolt-in kit features lightweight aluminum shocks with 9-inch 550 lbs/in flat-end springs designed for stock mounts. Gain full control over handling and stance with dyno-tested performance straight from the factory.
Key Features
- Lightweight Billet Aluminum Construction: Reduces unsprung weight for quicker response and improved cornering on Crown Victoria platforms
- Single Adjustable Damping: Tune compression and rebound valving to match street or track driving demands with easy 24-position adjustments
- Ride Height Adjustable: Fully threaded body allows precise drop or rake setup without spring swap for perfect weight distribution
- 9in 550lbs/in Spring Rate: Provides firm support for lowered setups while maintaining daily drivability on heavy Crown Victoria chassis
- 100% Dyno Tested and Serialized: Ensures consistent quality and performance with QA1 serialization for traceability
Product Notes
- Designed for front installation only on stock lower control arms and strut towers
- Serviceable and rebuildable at QA1 authorized centers for long-term durability
- Ships as complete pair with hardware for straightforward setup
Installation Notes
- Professional installation recommended.
- Bolt-in design uses factory mounting locations with no fabrication required
- Includes upper and lower mounts compatible with OEM hardware
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2003-2005 | Ford | Crown Victoria | S |
| 2005 | Ford | Crown Victoria | Special Edition |
| 2003-2008 | Ford | Crown Victoria | Base |
| 2010-2011 | Ford | Crown Victoria | Base |
| 2006-2009 | Ford | Crown Victoria | Fleet |
| 2003-2009 | Ford | Crown Victoria | LWB |
| 2003-2011 | Ford | Crown Victoria | LX |
| 2004-2006 | Ford | Crown Victoria | LX Sport |
Why Choose QA1?
- Over 30 years leading in motorsports suspension with rod ends and shocks
- All products manufactured in 83,000 sq ft USA facility in Lakeville, MN
- Proven in circle track, drag racing, and street performance applications
Frequently Asked Questions
-
Q: Which Ford Crown Victoria models does this fit?
A: Fits 2003-2011 models including Base, LX, Fleet, LWB, S, Special Edition, and LX Sport with stock front suspension -
Q: What material are the shocks made from?
A: Billet aluminum body with cadmium steel components for corrosion resistance and lightweight strength -
Q: What is the warranty and service option?
A: Backed by QA1 limited warranty. fully rebuildable at authorized service centers nationwide
Shipping & Handling
- Method: UPS Ground or FedEx
- Availability: In stock - ships same or next business day
- Packaging: Securely boxed, 24in x 10in x 8in dimensions
- Weight: 19 lbs
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