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Vivid Racing Gear 
QA1 GS401-10550A Pro Coil System
If you're in the market for a suspension upgrade that offers exceptional adjustability and performance, the QA1 GS401-10550A Pro Coil System is an excellent choice. Designed specifically for the 1967-69 GM F-Body, this coil-over shock kit provides a perfect blend of comfort and control, tailored to your driving style.
Key Features
- Adjustability: This system features single adjustable settings for both compression and rebound, allowing you to fine-tune your ride according to your preferences.
- Spring Rate: With a spring rate of 550 lb/in, you can expect improved handling and stability, whether you're cruising down the street or tackling a racetrack.
- Lightweight Design: The coil-over shocks are crafted from high-quality billet aluminum, significantly reducing unsprung weight for quicker response times and optimized suspension performance.
- Easy Installation: The bolt-in design ensures a hassle-free setup, allowing you to get back on the road with minimal downtime.
- American-Made Quality: Proudly manufactured in the USA, these components are built to last and withstand the rigors of various driving conditions.
Performance Benefits
The QA1 GS401-10550A Pro Coil System is engineered to enhance your vehicle’s handling dynamics. The fully threaded body allows for precise ride height adjustments, ensuring you achieve the ideal stance and weight distribution. Whether you're into street performance, autocross, or drag racing, this system adapts to your needs.
Specifications
- Fitment: Designed for 1967-69 GM F-Body models.
- Front / Rear: Front suspension application.
- Weight Capacity: Suitable for vehicles weighing between 2102-2300 lbs.
- Serviceability: The shocks are serviceable and rebuildable at QA1 authorized service centers, ensuring longevity and performance over time.
Customer Insights
Users of the QA1 GS401-10550A have praised its impressive adjustability and the noticeable improvement in ride quality. Many have noted that the installation process was straightforward, making it accessible for both novice and experienced DIY enthusiasts. The lightweight construction has also been highlighted, as it contributes to a more responsive driving experience.
Conclusion
For anyone looking to upgrade their suspension system, the QA1 GS401-10550A Pro Coil System stands out as a reliable and high-performance option. With its combination of adjustability, quality construction, and ease of installation, it’s a smart investment for enhancing your vehicle's performance.
Other Part Numbers:
QA1 #qapGS401-10550A
⚠ 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 | $713.98 |
| Shipping |
Weight: 22.00 Length: 22 Width: 11 Height: 9 |
| Product Added At | Sunday 09 August, 2020 |
| 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 | $605.07 | $790.94 | ? | $713.95 | ? | 2025-07-11 10:44:41 |
