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Vivid Racing Gear 
QA1 GM Pro Coil System GS401-10350C
If you're seeking a suspension upgrade that offers unparalleled adjustability and performance, the QA1 GM Pro Coil System GS401-10350C is an exceptional choice. This system is engineered to provide you with the freedom to customize your ride height and valving control, ensuring an optimal driving experience tailored to your preferences.
Key Features
- Adjustable Ride Height: The fully threaded body allows for precise ride height adjustments, helping you achieve the perfect stance and balance for superior handling.
- High-Quality Materials: Made in the USA, the lightweight aluminum coil-over shocks are designed for high travel, featuring fewer coils and a smaller wire diameter for increased travel and reduced unsprung weight.
- Customizable Spring Rates: Choose from multiple spring rate options that have been rigorously tested, making this system suitable for everything from casual street driving to hardcore racing.
- Easy Installation: The bolt-in design ensures a straightforward installation process, so you can get back on the road or track quickly.
- Serviceable and Rebuildable: These shocks are 100% dyno tested and serialized, with serviceable options available through QA1 authorized service centers.
Performance Options
The GS401-10350C is available in various configurations to suit your specific needs:
- Independent compression and rebound double adjustable
- Simultaneous compression and rebound adjustable
- Drag "R" Series adjustable
Specifications
- Front / Rear: Front
- Adjustability: Single Adjustable
- Spring Rate: 350 rate/in
Fitment
This coil-over shock kit is designed specifically for:
- 1973-83 GM A-Body
Product Reviews
Users have praised the QA1 GM Pro Coil System GS401-10350C for its outstanding performance and versatility. Many have noted how easy it is to fine-tune the suspension settings, which significantly enhances handling and ride comfort. The lightweight design has also been highlighted as a game-changer, allowing for quicker reactions during driving. Whether on the street or the track, this system has received accolades for its ability to adapt to various driving styles and conditions.
Why Choose QA1?
QA1 is synonymous with quality and performance in the automotive suspension industry. With a commitment to American manufacturing and a focus on innovation, you can trust that the GS401-10350C Pro Coil System will meet and exceed your expectations.
Other Part Numbers:
QA1 #qapGS401-10350C
⚠ 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: 22.40 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 |
