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Vivid Racing Gear 
QA1 GD401-10400C Pro Coil System
If you're looking to take your vehicle's suspension to the next level, the QA1 GD401-10400C Pro Coil System is an excellent choice. Designed for performance enthusiasts, this system offers fully adjustable ride height and valving control, allowing you to tailor your setup to match your driving style.
Key Features
- Adjustable Valving: Choose from independent compression and rebound double adjustable options, simultaneous compression and rebound adjustable, or drag "R" Series adjustable for ultimate customization.
- Lightweight Construction: Made from high-quality billet aluminum, these coil-over shocks are designed to reduce unsprung weight, enhancing your vehicle's responsiveness.
- High Travel Springs: The specially designed lightweight springs feature fewer coils and a smaller wire diameter, providing increased travel and improved suspension performance.
- Easy Installation: The bolt-in installation process makes it simple to upgrade your suspension without extensive modifications.
- Made in the USA: Proudly manufactured in the USA, ensuring top-notch quality and performance.
- 100% Dyno Tested: Each unit is dyno tested and serialized, guaranteeing reliability and performance.
- Serviceable and Rebuildable: Can be serviced and rebuilt by QA1 authorized service centers, extending the lifespan of your investment.
Specifications
The GD401-10400C features a compressed length of 8.63 inches and an extended length of 12.88 inches. It comes with a 10-inch spring rated at 400, equipped with a large tapered flat end for optimal performance.
Fitment and Applications
This Pro Coil System is versatile, suitable for various applications including drag racing, street performance, autocross, and road racing. Whether you're hitting the streets or the track, the GD401-10400C has you covered.
Customer Insights
Users appreciate the adjustable nature of the GD401-10400C, noting that it allows for precise tuning to match their driving preferences. Many have highlighted the noticeable improvement in handling and ride quality, making it a popular choice for both casual drivers and serious racers.
Conclusion
Upgrade your vehicle's suspension with the QA1 GD401-10400C Pro Coil System. With its combination of adjustability, lightweight construction, and robust performance capabilities, this system is designed to meet the demands of any driving enthusiast.
Other Part Numbers:
QA1 #qapGD401-10400C
⚠ 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: 24.80 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 10:45:06 |
