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Vivid Racing Gear 
QA1 GD501-10500A Pro Coil System
If you're looking for a suspension system that offers both precision and adaptability, the QA1 GD501-10500A Pro Coil System is an excellent choice. This system is designed to cater to a wide range of driving styles, from everyday street driving to serious racing applications.
Key Features
- Fully Adjustable Ride Height: Tailor your vehicle's stance and balance with ease, thanks to the fully threaded body that allows for precise ride height adjustments.
- Customizable Valving: Choose from independent compression and rebound double adjustable options, or go for the simultaneous compression and rebound adjustable setup, ensuring your ride feels just right.
- Lightweight High Travel Springs: The American-made springs feature fewer coils and a smaller wire diameter, which enhances travel and reduces unsprung weight for quicker reactions and improved performance.
- Easy Installation: Designed for a straightforward bolt-in installation, you can upgrade your suspension without hassle.
- 100% Dyno Tested: Each unit is serialized and rigorously tested to guarantee quality and performance.
- Serviceable and Rebuildable: Support from QA1 authorized service centers ensures longevity and reliability.
- Made in the USA: Proudly manufactured to meet high-quality standards.
Specifications
The GD501-10500A features a compressed length of 10.13 inches and an extended length of 17 inches. It comes with a 10-inch spring rated at 500, complete with a tapered pigtail end for optimal fitment.
Applications
This pro coil system is versatile and suitable for various applications, including:
- Drag Racing
- Street Performance
- Autocross
- Road Racing
- Street Rods
Customer Feedback
Users have praised the GD501-10500A for its remarkable adaptability and performance. Many have noted significant improvements in handling and ride quality, particularly when adjusting the valving to match their driving conditions. The ease of installation has also been a recurring highlight, making it a popular choice among DIY enthusiasts.
Conclusion
The QA1 GD501-10500A Pro Coil System stands out as a top-tier suspension option that combines adjustability, quality, and performance. Whether you're hitting the streets or the track, this system is designed to meet your needs and exceed your expectations.
Other Part Numbers:
QA1 #qapGD501-10500A
⚠ 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: 23.60 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 10:45:07 |
