.jpeg?q=90&p=thumb&w=200&h=200)
.jpeg?q=90&p=thumb&w=40&h=40)
Brakes 
Driveline 
Electronics 
Handlebars & Controls 
Package Deals 
Wheel Accessories 
Wheels by Vehicle 
Tools and Maintenance 
Universal & Repair 
Vivid Racing Gear 
QA1 GD507-10400C Pro Coil System
Upgrade your ride with the QA1 GD507-10400C Pro Coil System, designed specifically for 1971-1996 Impalas and a variety of Full Size GM vehicles, including Chevy, Buick, Oldsmobile, and Pontiac models. This system is perfect for car enthusiasts who want to fine-tune their suspension for a personalized driving experience.
Key Features
- Fully Adjustable Ride Height: Tailor your vehicle’s stance and handling by adjusting the ride height to suit your preferences.
- Customizable Valving: Choose from independent compression and rebound double adjustable shocks or simultaneous compression and rebound options for ultimate control.
- Lightweight Design: Made in the USA, the lightweight billet aluminum coil-over shocks and high travel springs reduce unsprung weight, allowing for quicker reactions and improved performance.
- High Travel Springs: With fewer coils and a smaller wire diameter, these springs provide increased travel and enhance suspension responsiveness.
- Easy Installation: The bolt-in design makes installation a breeze, getting you back on the road in no time.
- Serviceable and Rebuildable: Keep your system in top shape with service options available through QA1 authorized service centers.
Specifications
- Model: GD507-10400C
- Compressed Length: 9.63 inches
- Extended Length: 14.5 inches
- Spring Rating: 400 lbs
- Testing: 100% dyno tested and serialized to ensure quality and performance.
- Applications: Suitable for drag racing, street performance, autocross, road racing, and street rod applications.
- Sold: In pairs for complete front coil double adjustable stock mount shock kit.
Fitment
The GD507-10400C Pro Coil System is compatible with a wide range of Full Size GM vehicles from 1971 to 1996, making it a versatile choice for those looking to upgrade their suspension system.
Product Reviews
Many users have praised the GD507-10400C for its easy installation and noticeable improvement in handling. One reviewer noted that after installing this system, their vehicle felt more stable during cornering, and the adjustable ride height allowed them to achieve the perfect stance. Another customer highlighted the quality of the materials, emphasizing how the lightweight design improved overall performance without compromising strength.
Whether you’re hitting the streets or the track, the QA1 GD507-10400C Pro Coil System provides the adjustability and performance you need to take your driving experience to the next level.
Other Part Numbers:
QA1 #qapGD507-10400C
⚠ 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 |
