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Vivid Racing Gear 
QA1 GD501-11300C Pro Coil System
If you're looking to upgrade your vehicle's suspension, the QA1 GD501-11300C Pro Coil System is an excellent choice. This system offers fully adjustable ride height and valving control, allowing you to customize your driving experience to match your preferences.
Key Features
- Adjustable Ride Height: Easily fine-tune your vehicle's stance for optimal aesthetics and performance.
- Valving Control: Choose from independent compression and rebound adjustments or simultaneous adjustments to suit your driving style.
- Lightweight Construction: Made from high-quality billet aluminum, these coil-over shocks are designed to reduce unsprung weight, enhancing suspension responsiveness.
- High Travel Springs: Featuring fewer coils and a smaller wire diameter, these American-made springs allow for increased travel and improved handling.
- Easy Installation: The bolt-in design makes installation straightforward, getting you back on the road quickly.
- Dyno Tested: Each unit is 100% dyno tested and serialized, ensuring top-notch quality and performance.
- Serviceable and Rebuildable: Maintenance is a breeze with QA1 authorized service centers available for support.
- Versatile Applications: Ideal for drag racing, street performance, autocross, road racing, and street rod applications.
Specifications
The GD501-11300C features a compressed length of 10.13 inches and an extended length of 17 inches. It includes an 11-inch spring with a rating of 300, designed with a large tapered flat end for optimal performance.
Fitment
This Pro Coil System is sold in pairs and is compatible with a variety of GM applications, making it a versatile choice for enthusiasts looking to enhance their vehicle's handling and ride quality.
Customer Insights
Users have praised the GD501-11300C for its impressive adjustability and the noticeable improvement in ride quality. Many appreciate how easy it is to install, allowing for quick upgrades without the need for extensive modifications. The lightweight design has also been highlighted, with drivers noting a significant difference in handling responsiveness, making it a fantastic option for both casual drives and competitive racing.
Other Part Numbers:
QA1 #qapGD501-11300C
⚠ 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: 23.20 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 |
