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Vivid Racing Gear 
QA1 GM Pro Coil System - GS401-10350B
If you're looking to enhance your vehicle's handling and ride quality, the QA1 GM Pro Coil System GS401-10350B is an excellent choice. Designed specifically for 1968-72 GM A-Body vehicles, this coil-over shock kit offers a blend of performance and adjustability that caters to both casual drivers and hardcore racers.
Key Features
- Adjustable Ride Height: Customize your vehicle's stance with the fully threaded body that allows for precise ride height adjustments.
- Valving Control: Choose from independent compression and rebound adjustments or opt for simultaneous adjustments to suit your driving style.
- Lightweight Design: Made from billet aluminum, the shocks are lightweight yet durable, reducing unsprung weight for improved performance.
- High Travel Springs: Featuring fewer coils and a smaller wire diameter, these springs provide increased travel for superior handling.
- Easy Installation: The bolt-in design makes for a straightforward installation process, allowing you to get back on the road quickly.
- Made in the USA: Quality craftsmanship ensures that you're getting a product built to last.
Specifications
- Application: Front coil-over shock kit for 1968-72 GM A-Body
- Adjustability: Single adjustable
- Spring Rate: 350 lbs/in
- Weight Capacity: 1701-1800 lbs
- Sold in Pairs: Each kit comes with two shocks for both sides of your vehicle.
Performance Benefits
Whether you're hitting the drag strip or cruising down the street, the QA1 Pro Coil System is engineered to provide an impressive balance of comfort and control. The adjustable features allow for fine-tuning, ensuring your suspension system works optimally for your specific driving conditions.
Fitment
The GS401-10350B is specifically designed for:
- 1968-72 GM A-Body
Customer Feedback
Many users have praised the QA1 Pro Coil System for its remarkable performance improvements. One customer noted a significant enhancement in handling, stating, "The difference in cornering stability is night and day; I feel much more in control." Another user highlighted the ease of installation, mentioning, "I was able to install the kit in my garage without any special tools, and the ride quality is fantastic!"
Conclusion
The QA1 GM Pro Coil System GS401-10350B is a top-tier choice for anyone looking to upgrade their suspension. With its adjustable features, high-quality materials, and easy installation, it's designed to meet the needs of both street enthusiasts and serious racers alike. Experience the difference in your ride today!
Other Part Numbers:
QA1 #qapGS401-10350B
⚠ 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: 21.20 Length: 25 Width: 10 Height: 6 |
| 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 |
