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

QA1
QAPMS431-09650
806990159922
Coilovers
1 Units In Stock - Ships Next Business Day
$ 981.49 $ 885.95
$ 885.95

SKU: MS431-09650 | UPC: 806990159922

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

QA1 MS431-09650 is a front Pro-Coil single adjustable coilover kit designed for 2003-2011 Ford Crown Victoria models using stock mounts. This system features 9-inch springs rated at 650 lbs/in with flat ends for precise ride height and damping control to match your driving needs. Fully threaded aluminum bodies allow adjustments for stance and weight balance delivering responsive handling on street or track.

Key Features

  • Lightweight Billet Aluminum Shocks: Cuts unsprung weight improves suspension response and acceleration
  • Single Adjustable Damping: 18-position valving adjustment tunes compression and rebound for any condition
  • Ride Height Adjustable: Threaded spring perch and body provide 1.5-3 inches of drop without components
  • 9in 650lbs/in Springs: Linear rate supports heavier front ends maintains balance under load
  • Dyno Tested Serialized: Each shock validated for consistent performance rebuildable at QA1 centers

Product Notes

  • Direct bolt-in no welding or fabrication required uses factory upper and lower mounts
  • Serviceable design permits rebuilds for long-term durability
  • Kit ships fully assembled ready for installation

Installation Notes

  • Professional installation recommended.
  • Reuse factory hardware torque to OEM specs
  • Compatible with stock sway bar and control arms

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
2003-2011 Mercury Grand Marquis All
2003-2011 Lincoln Town Car All

Why Choose QA1?

  • Over 30 years leading motorsports suspension since 1993
  • All products manufactured in USA Lakeville MN facility
  • Proven in circle track drag racing street performance

Frequently Asked Questions

  • Q: Will this fit 2003-2011 Mercury Grand Marquis or Lincoln Town Car?
    A: Yes fits all submodels of 2003-2011 Grand Marquis and Town Car sharing Panther platform stock mounts
  • Q: What material is used for the shock body?
    A: Billet 6061-T6 aluminum body with steel internals for strength and light weight
  • Q: What is the warranty and service option?
    A: QA1 offers limited lifetime warranty on shocks rebuild service available at authorized centers

Shipping & Handling

  • Method: UPS Ground or FedEx
  • Availability: In stock - ships same or next business day
  • Packaging: Securely boxed coilover kit
  • Weight: 28 lbs

Request For Information

Have questions about QA1 03-11 Ford Crown Victoria Pro Front Coil-Over System - Single Adj. - 9in x 650lbs/in - Aluminum? Fill out the form below and we'll get back to you by the next business day.
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