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Vivid Racing Gear 
QA1 Pro Coil System for 2003-2011 Crown Victoria
If you're looking to upgrade your ride with precision and style, the MS431-09650 QA1 Pro Coil System is the perfect choice. This system is designed specifically for 2003-2011 Crown Victorias, offering you fully adjustable ride height and valving control to tailor your driving experience.
Key Features
- Customizable Ride Height: The fully threaded body allows you to easily adjust your ride height, giving your vehicle the perfect stance while optimizing weight balance for enhanced handling.
- Adjustable Valving: Match the valving to your driving style with ease, ensuring that your suspension performs exactly how you want it to.
- Spring Specifications: Comes with a 9-inch spring rated at 650 lbs, designed to provide a comfortable yet responsive ride.
- Single Adjustable Shocks: This kit features front Pro Coil single adjustable stock mount shocks, allowing for straightforward installation and performance tuning.
Benefits of the MS431-09650
This coil system not only enhances the aesthetic appeal of your Crown Victoria but also significantly improves its handling characteristics. Whether you're cruising down the highway or navigating tight corners, the adjustable features allow you to dial in the perfect setup for your needs.
Specifications
- Model: MS431-09650
- Compatibility: 2003-2011 Ford Crown Victoria
- Spring Rate: 650 lbs
- Spring Length: 9 inches
- Shock Type: Single adjustable
- Mount Type: Stock mount
Fitment
The QA1 Pro Coil System is engineered specifically for the 2003-2011 Crown Victoria, ensuring a perfect fit and seamless integration with your vehicle's suspension system. Installation is straightforward, making it an excellent choice for both seasoned mechanics and DIY enthusiasts.
Customer Insights
Users have praised the MS431-09650 for its impressive adjustability and ease of installation. Many have noted how the system transformed their driving experience, providing a smoother ride and better handling. The ability to customize the ride height and valving has received particular acclaim, allowing drivers to fine-tune their vehicles to their exact preferences.
Other Part Numbers:
QA1 #qapMS431-09650
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov
QA1 is a company that was founded in 1993. They specialize in manufacturing high-quality suspension parts, shock absorbers, composite driveshafts, bearings, steering components, and other related accessories. Their products are used in different industries such as the industrial, motorsports, and automotive sectors. Today, they are the leading manufacturer of OE parts in the market.
Suspension ExpertsThe company is best known for its motion control sub-assemblies and wide range of suspension systems. They are always searching for new ways to develop each component to enhance their products further.
State-of-the-Art FacilityThe company is housed in one of the most sophisticated facilities in the market to accommodate the increasing demands of its customers. With 100,000 square feet at their disposal, their facility contains high-tech equipment such as a CNC machine, laser cutting equipment, hydraulic presses, and filament windings. It allows them to manufacture the best product in the market.
QA1 is also one of the few companies that are ISO certified. It guarantees that their parts are manufactured consistently, following the standards put in place by the company and the regulators.
Purchase QA1 Products At Vivid RacingIf you are in the market for quality suspension parts for your vehicle, then QA1 is the brand for you. They have been manufacturing components for the last 28 years and have consistently given their customers parts that meet their demand. To know more about QA1, visit Vivid Racing and check out their list of parts that meet your demand.
| Sale price | None |
| Wholesale price | $842.99 |
| Shipping |
Weight: 22.20 Length: 22 Width: 11 Height: 9 |
| Product Added At | Monday 23 December, 2024 |
| Product Modified At | Friday 11 July, 2025 |
| Imported By | ETLOverride |
| Last Edited By | Turn_API |
| View In Admin |
| Carb Approved | - |
|---|---|
| Carb Number | - |
| Epa Status | N/A |
| Prop65 | Yes |
| Carb Required | - |
| Vendor | Inv | Cost | Retail | Jobber | MAP | Core | Updated | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Turn 14 | $714.40 | $933.85 | ? | $842.95 | ? | 2025-07-11 10:45:14 |
