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Vivid Racing Gear 
QA1 GD501-10550C Pro Coil System Overview
If you're seeking a suspension upgrade that combines versatility with performance, look no further than the QA1 GD501-10550C Pro Coil System. This system is designed for those who want to fine-tune their ride height and valving control to match their unique driving style.
Key Features
- Fully Adjustable Ride Height: The threaded body design allows for easy ride height adjustments, enabling you to achieve the perfect stance and optimize weight balance for superior handling.
- Customizable Valving: Tailor the valving to suit your driving preferences, whether you’re cruising the streets or pushing your limits on the track.
- Lightweight High Travel Springs: Engineered with fewer coils and a smaller wire diameter, these American-made springs enhance travel and responsiveness, reducing unsprung weight for improved suspension performance.
- Multiple Spring Rate Options: Choose from various spring rates that have been rigorously tested for applications ranging from casual street driving to hardcore racing.
- Durable and Serviceable: Each shock is 100% dyno tested and serialized, ensuring quality. They are also serviceable and rebuildable at QA1 authorized service centers.
Specifications
- Compressed Length: 10.13 inches
- Extended Length: 17 inches
- Spring Rating: 550 lbs
- Type: Double adjustable stock mount shock kit
- Installation: Easy bolt-in installation
- Sold In: Pairs
Fitment and Applications
The GD501-10550C Pro Coil System is versatile enough for various applications, including:
- Drag Racing
- Street Performance
- Autocross
- Road Racing
- Street Rods
Customer Feedback
Users have praised the GD501-10550C for its ease of installation and noticeable improvement in handling. Many appreciate the ability to customize the suspension settings to match their specific driving needs, making it a favorite among both casual drivers and serious racers. The lightweight design and robust construction have also been highlighted as significant benefits, contributing to a more responsive and agile driving experience.
Other Part Numbers:
QA1 #qapGD501-10550C
⚠ 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: 29.10 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 10:45:07 |
