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Vivid Racing Gear 
QA1 GD401-10500A Pro Coil System
If you're seeking a suspension upgrade that offers both adjustability and performance, the QA1 GD401-10500A Pro Coil System is an excellent choice. Designed for enthusiasts who appreciate fine-tuning their ride, this system allows you to customize your vehicle's ride height and valving to suit your unique driving style.
Key Features
- Adjustable Ride Height: The fully threaded body enables you to easily adjust the ride height, ensuring your vehicle has the perfect stance and weight balance for superior handling.
- Customizable Valving: Choose from independent compression and rebound double adjustable options, simultaneous compression and rebound adjustable, or the drag "R" Series adjustable for tailored performance.
- Lightweight Construction: The American-made high travel springs feature fewer coils and a smaller wire diameter, resulting in increased travel and reduced unsprung weight, allowing for quicker response times.
- Easy Installation: The system is designed for straightforward, bolt-in installation, making it accessible for DIY enthusiasts.
- Durability: Each shock is 100% dyno tested and serialized, ensuring reliability and performance. Plus, they are serviceable and rebuildable at QA1 authorized service centers.
Specifications
- Compressed Length: 10.13 inches
- Extended Length: 14 inches
- Spring Rating: 500 lbs with a 10-inch spring featuring a tapered pigtail end
- Application: Suitable for drag racing, street performance, autocross, road racing, and street rod applications
- Sold in Pairs: Each order includes two shocks
Benefits of the GD401-10500A
This Pro Coil System is not just about looks; it significantly enhances your vehicle's handling and overall performance. With the ability to adjust both ride height and shock valving, you can easily adapt your suspension to varying driving conditions, whether you're cruising on the street or hitting the track.
Customer Insights
Users of the GD401-10500A have praised its responsiveness and ease of adjustment. Many have noted that the lightweight design contributes to a noticeable improvement in handling, allowing for a more engaging driving experience. The straightforward installation process has also been highlighted, making it a popular choice for both seasoned mechanics and DIY enthusiasts alike.
Fitment
The QA1 GD401-10500A Pro Coil System is designed to fit a range of GM applications, making it a versatile option for those looking to upgrade their suspension setup. Whether you're building a street rod or preparing for a race, this system provides the flexibility and performance you need.
Other Part Numbers:
QA1 #qapGD401-10500A
⚠ 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: 22.90 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 |
