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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. QA1 Item number MS431-09650
This part fits the following vehicles.
| Active Or Passive Suspension | Passive |
|---|---|
| Adjustable Compression | Yes |
| Adjustable Rebound | Yes |
| Adjustable Ride Height | Yes |
| Assembled | No |
| Country Of Origin | US |
| Grade Type | Performance |
| Internal Construction Type | Dual Tube |
| Manufacturer Part Number | MS431-09650 |
| Remote Reservoir | No |
| Spring Color | Black |
| Spring Material | High Tensile Chrome Silicon |
| Street Legal | No |
| UPC | 806990159922 |
1 Year
Legally, a vehicle manufacturer cannot void the warranty on a vehicle due to an aftermarket part unless they can prove that the aftermarket part caused or contributed to the failure in the vehicle (per the Magnuson Moss Warranty Act (15 U.S.C. 2302(C)).
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