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Vivid Racing Gear 
QA1 GD401-11250C Pro Coil System
Upgrade your ride with the QA1 GD401-11250C Pro Coil System, designed for those who crave flexibility and performance. This system offers fully adjustable ride height and valving control, allowing you to tailor your suspension to match your unique driving style.
Key Features
- Adjustable Shocks: Choose from independent compression and rebound double adjustable, simultaneous compression and rebound adjustable, or drag "R" Series adjustable options.
- Lightweight Design: Crafted from high-quality billet aluminum, these coil-over shocks are not only lightweight but also provide high travel capability.
- Easy Installation: Designed for a straightforward, bolt-in installation, making it easy to enhance your vehicle's performance without hassle.
- Ride Height Adjustability: Fine-tune your ride height for the perfect stance and improved weight balance, enhancing overall handling.
- Dyno Tested: Each unit is 100% dyno tested and serialized, ensuring top-notch quality and performance.
- Serviceable and Rebuildable: Trust in QA1 authorized service centers for maintenance and rebuilds, ensuring your system stays in peak condition.
- Versatile Applications: Ideal for drag racing, street performance, autocross, road racing, and street rod applications, making it a versatile choice for various driving conditions.
- Sold in Pairs: Each order includes two shocks for a complete upgrade.
Specifications
- Compressed Length: 10.13 inches
- Extended Length: 14 inches
- Spring Length: 11 inches
- Spring Rate: 250 lbs
- Coil Design: Features a large tapered flat end for improved performance.
Customer Insights
Users appreciate the GD401-11250C for its remarkable adjustability and performance. One enthusiast noted how easy it was to dial in the suspension to suit both daily driving and track days. Another mentioned the noticeable improvement in handling and ride comfort, making it a worthy investment for serious drivers.
Fitment
This Pro Coil System is designed to fit a range of GM vehicles, ensuring compatibility and optimal performance. Whether you're hitting the streets or the track, the GD401-11250C delivers the reliability and responsiveness you need.
Other Part Numbers:
QA1 #qapGD401-11250C
⚠ 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: 21.90 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 |
