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Vivid Racing Gear 
QA1 Mustang II Pro Coil Shock Systems
For those seeking exceptional ride quality on both the street and the strip, the QA1 Mustang II Pro Coil Shock Systems stand out as a premier choice. These systems are engineered to provide the perfect blend of performance and comfort, ensuring your vehicle handles like a dream.
Key Features
- Adjustable Valving Options: Choose from double adjustable, single adjustable, drag "R" series adjustable, or non-adjustable valving to customize your ride experience.
- Spring Rate Options: Select from four different spring rates to find the ideal setup for your driving style.
- Ride Height Adjustment: The fully threaded body allows for easy ride height adjustments, helping you achieve that perfect stance and balance.
- Versatile Applications: Perfect for drag racing, street performance, autocross, road racing, and street rod applications.
Specifications
- Included Components: Each pro coil system comes with two QA1 high-performance shocks, two chrome-plated, specially designed springs, and all necessary mounting hardware.
- Material: Lightweight aluminum construction for durability without the extra weight.
- Testing: 100% dyno tested and serialized to ensure top-notch quality and performance.
- Rebuildable and Revalveable: Systems can be serviced by QA1 Factory or authorized service centers for ongoing performance.
- Sold in Pairs: Each order includes a pair of shocks and springs for a complete setup.
Fitment
The MS303-08500 model features a front pro coil single adjustable Mustang II mount shock, complete with 8" springs rated at 500 lbs. This setup is designed to fit seamlessly into your Mustang II, providing a straightforward bolt-in installation process.
Customer Feedback
Users have praised the QA1 Mustang II Pro Coil Shock Systems for their impressive handling and ride quality. One enthusiast noted, "The adjustability of these shocks has allowed me to fine-tune my setup for both street and strip, and the difference is remarkable!" Another customer shared, "Installation was a breeze, and the performance upgrade was immediately noticeable. I couldn't be happier with my choice!"
Other Part Numbers:
QA1 #qapMS303-08500
⚠ 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 | $703.98 |
| Shipping |
Weight: 18.00 Length: 25 Width: 10 Height: 6 |
| 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 | $596.59 | $779.86 | ? | $703.95 | ? | 2025-07-11 10:45:10 |
