Suspension and Components› Shocks, Struts, Coil-Overs and Components
QA1 Precision Products, Inc
QA1 03-11 Ford Crown Victoria Pro Front Coil-Over System - Single Adj. - 9in x 550lbs/in - Aluminum
SKU: Q00B MS431-09550
Moderate — 2–4 hours
Description
Part #: MS431-09550
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 single adjustable stock mount shock kit. Includes 9" spring with rating of 550 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
Fitment
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Specifications
| Brand | QA1 Precision Products, Inc |
| Part Number | Q00B MS431-09550 |
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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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