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Vivid Racing Gear 
QA1 GM Pro Coil System GD401-10550A
Upgrade your ride with the QA1 GM Pro Coil System GD401-10550A, designed for enthusiasts who demand precision and performance. This fully adjustable coil-over system offers you the freedom to tailor your ride height and valving control to perfectly match your driving style.
Key Features
- Adjustable Ride Height: Fine-tune your vehicle's stance and optimize weight balance for superior handling.
- Customizable Valving: Choose from independent compression and rebound double adjustable, simultaneous compression and rebound adjustable, or drag "R" Series adjustable options.
- Lightweight Design: Constructed with high travel springs that feature fewer coils and a smaller wire diameter, allowing for increased travel and faster response times.
- Easy Installation: Bolt-in installation makes upgrading your suspension a breeze.
- 100% Dyno Tested: Each unit is serialized and rigorously tested to ensure optimal performance.
- Made in the USA: Crafted with quality and precision in mind.
- Serviceable and Rebuildable: Maintenance is simple through QA1 Authorized Service Centers.
- Versatile Applications: Perfect for drag racing, street performance, autocross, road racing, and street rod applications.
Specifications
The GD401-10550A features a compressed length of 10.13 inches and an extended length of 14 inches. It includes a 10-inch spring with a 550-pound rating, designed with a tapered pigtail end for enhanced performance.
Fitment
This front Pro Coil double adjustable stock mount shock kit is specifically engineered to fit a range of GM vehicles, ensuring a seamless integration into your suspension system.
Customer Insights
Users have praised the GD401-10550A for its remarkable adjustability, noting how it allows for precise tuning to meet their specific driving needs. Many have highlighted the noticeable improvement in handling and ride quality, making it a popular choice among both casual drivers and hardcore racers.
Whether you're hitting the track or cruising the streets, the QA1 GM Pro Coil System GD401-10550A is your go-to solution for a customized and exhilarating driving experience.
Other Part Numbers:
QA1 #qapGD401-10550A
⚠ 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: 23.80 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 10:45:06 |
