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Vivid Racing Gear 
QA1 Mustang II Pro Coil Shock Systems - MD303-08375
Ride Quality You Can Trust
Experience a smooth and controlled ride with the QA1 Mustang II Pro Coil Shock Systems. Designed for both street and strip use, these shocks offer a range of adjustable options to suit your specific driving style and performance needs.
Key Features
- Adjustable Valving Options: Choose from double adjustable, single adjustable, drag "R" series adjustable, or non-adjustable valving to customize your ride.
- Spring Rate Options: Available with four different spring rate options, ensuring you find the perfect fit for your vehicle.
- Ride Height Adjustment: The fully threaded body allows for precise ride height adjustments, helping you achieve that perfect "in the weeds" stance.
- Applications: Ideal for drag racing, street performance, autocross, road racing, and street rod applications.
Specifications
- Included Components: Each system comes with two high-performance QA1 shocks, two chrome-plated specially designed springs, and all necessary mounting hardware.
- Construction: Made in the U.S.A. with lightweight aluminum for durability and performance.
- Testing: Every component is 100% dyno tested and serialized to ensure quality.
- Rebuildable: The shocks are rebuildable and revalveable at QA1 Factory or authorized service centers.
- Sold in Pairs: Each set includes two shocks and springs for a complete upgrade.
Fitment
The MD303-08375 system is designed to fit Mustang II applications, making it a great choice for enthusiasts looking to enhance their vehicle's handling and stance.
Customer Insights
Many users appreciate the ease of installation, noting that the bolt-in design makes it accessible for DIY enthusiasts. The adjustable features have received praise for allowing drivers to fine-tune their ride, resulting in improved handling and performance. Customers have mentioned that the ride quality is noticeably better compared to stock options, making these shocks a worthwhile investment for serious drivers.
Other Part Numbers:
QA1 #qapMD303-08375
⚠ 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 | $917.99 |
| Shipping |
Weight: 16.10 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 | $777.96 | $1,016.94 | ? | $917.95 | ? | 2025-07-11 10:45:09 |
