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QA1 MS431-09550
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QA1 03-11 Ford Crown Victoria Pro Front Coil-Over System - Single Adj. - 9in x 550lbs/in - Aluminum

QA1
QAPMS431-09550
806990159915
Coilovers
2 Units In Stock - Ships Next Business Day
$ 981.49 $ 885.95
$ 885.95

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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