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Suspension and Components› Shocks, Struts, Coil-Overs and Components

QA1 Precision Products, Inc

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

$1,229.65 $1,109.95 Save $119.70

SKU: Q00B MD431-09650

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Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Part #: MD431-09650

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.

Features:

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

Front Pro Coil double adjustable stock mount shock kit. Includes 9" spring with rating of 650 and a flat end.

This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.

MIA's Description

The QA1 MD431-09650 Front Pro Coil Shock System is a double-adjustable coilover kit for 2003-2011 Ford Crown Victoria. It offers fully adjustable ride height and 324 valving selections. Includes lightweight, high-travel 9-inch, 650 lbs. spring rate springs (USA-made).

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandQA1 Precision Products, Inc
Part NumberQ00B MD431-09650

Videos

QA1's F 100 Front Coil-Over Conversion System Compared To The Crown Vic Swap

QA1's F 100 Front Coil-Over Conversion System Compared To The Crown Vic Swap

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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