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Vivid Racing Gear 
QA1 GD401-10650B Pro Coil System
The QA1 GD401-10650B Pro Coil System is designed for automotive enthusiasts who want to take their ride quality and handling to the next level. Offering fully adjustable ride height and valving control, this system allows you to customize your vehicle's suspension to match your unique driving style.
Key Features
- Adjustable Valving: Choose from independent compression and rebound double adjustable, simultaneous compression and rebound adjustable, or drag "R" Series adjustable options.
- Lightweight Construction: Made from high-quality billet aluminum, the coil-over shocks are designed to reduce unsprung weight, enhancing your vehicle's responsiveness.
- High Travel Springs: Featuring fewer coils and a smaller wire diameter, these springs provide increased travel and improved suspension performance.
- Easy Installation: The GD401-10650B is designed for a straightforward, bolt-in installation process, making it a hassle-free upgrade for your vehicle.
- 100% Dyno Tested: Each unit is serialized and dyno tested to ensure quality and performance.
- Serviceable and Rebuildable: Maintenance is made easy with authorized QA1 service centers available for servicing and rebuilding.
Specifications
- Compressed Length: 10.13 inches
- Extended Length: 14 inches
- Spring Rate: 650 lbs
- Spring Length: 11 inches with a tapered flat end
- Applications: Suitable for drag racing, street performance, autocross, road racing, and street rod applications.
- Sold in Pairs: The system comes as a pair for both front shocks.
Fitment
The GD401-10650B Pro Coil System is crafted to fit a range of GM vehicles, providing an excellent balance of performance and comfort. Whether you're hitting the streets or the track, this system adapts to your needs.
Customer Insights
Users have praised the GD401-10650B for its impressive adjustability and the noticeable difference in handling and ride quality. Many have noted that the lightweight design significantly enhances the vehicle's responsiveness, making it a favorite among both casual drivers and serious racers. The ease of installation has also been highlighted, allowing enthusiasts to upgrade their suspension without professional help.
Other Part Numbers:
QA1 #qapGD401-10650B
⚠ 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: 23.80 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 |
