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QA1 GD507-11300C Pro Coil System Overview
If you're looking to upgrade your 1971-1996 Impala or any Full Size GM vehicle, the QA1 GD507-11300C Pro Coil System is an exceptional choice. Designed for a range of models, including Chevy, Buick, Oldsmobile, and Pontiac, this system offers unparalleled ride height adjustability and valving control tailored to your driving style.
Key Features
- Customizable Ride Height: The fully threaded body allows for precise adjustments, ensuring your vehicle achieves the perfect stance.
- Lightweight and High Travel Springs: Made in the USA, these springs feature fewer coils and a smaller wire diameter, resulting in increased travel and reduced unsprung weight.
- Multiple Spring Rates: Choose from various spring rate options that have been rigorously tested for everything from casual street driving to hardcore racing.
- Adjustable Valving: Tailor the shock performance with independent compression and rebound adjustments or opt for simultaneous adjustments based on your needs.
- Easy Installation: Designed for a bolt-in installation, making it user-friendly for both DIY enthusiasts and professionals.
- Serviceable and Rebuildable: The system is 100% dyno tested and serialized, and can be serviced by QA1 Authorized Service Centers.
Specifications
- Compressed Length: 9.63 inches
- Extended Length: 14.5 inches
- Spring Length: 11 inches
- Spring Rate: 300 lbs/in
- Sold in Pairs: Each kit includes two front Pro Coil double adjustable stock mount shocks.
Fitment
The GD507-11300C Pro Coil System is compatible with a wide range of Full Size GM vehicles from 1971 to 1996, making it a versatile choice for enthusiasts and racers alike. Whether you're into street performance, autocross, or road racing, this system is designed to meet your needs.
Customer Insights
Users have praised the GD507-11300C for its impressive handling and ride quality. One customer noted, "The adjustability is a game changer; I can fine-tune my setup for both daily driving and track days." Another remarked, "Installation was straightforward, and the difference in performance was noticeable right away." This system truly stands out for its balance of performance and ease of use.
Other Part Numbers:
QA1 #qapGD507-11300C
⚠ 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: 28.50 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 |
