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Vivid Racing Gear 
QA1 GS501-10550C Pro Coil System
If you're in the market for a suspension upgrade that offers exceptional adjustability and performance, the QA1 GS501-10550C Pro Coil System is a fantastic choice. Designed specifically for the 1970-81 GM F-Body, this system allows you to tailor your ride to your driving style, whether you're cruising the streets or hitting the track.
Key Features
- Adjustability: 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 built for high travel performance.
- Customizable Ride Height: The fully threaded body allows for easy ride height adjustments, helping you achieve the perfect stance and optimal weight balance.
- High Travel Springs: Designed with fewer coils and a smaller wire diameter, these springs increase travel and reduce unsprung weight, enhancing your vehicle's responsiveness.
- Serviceable and Rebuildable: QA1 authorized service centers can easily service and rebuild these shocks, ensuring long-lasting performance.
- 100% Dyno Tested: Each unit is serialized and rigorously tested to guarantee quality and reliability.
- Made in the USA: Proudly manufactured in the United States, ensuring top-notch craftsmanship.
Specifications
- Front / Rear: Front
- Adjustability: Single Adjustable
- Spring Rate: 550 lb/in
Fitment
- 1970-81 GM F-Body
Applications
The QA1 GS501-10550C is versatile enough for various applications, including:
- Drag Racing
- Street Performance
- Autocross
- Road Racing
- Street Rods
Customer Insights
Many users have praised the GS501-10550C for its exceptional handling and performance. One customer noted that the adjustability allowed them to fine-tune their setup for both daily driving and competitive racing, providing a noticeable improvement in cornering stability. Another user highlighted the ease of installation, stating that they were able to achieve their desired ride height without any hassle.
Conclusion
The QA1 GS501-10550C Pro Coil System stands out as an excellent investment for any GM F-Body owner looking to enhance their vehicle's suspension. With its robust features, easy installation, and impressive adjustability, this system is designed to meet the demands of both casual drivers and serious racers alike.
Other Part Numbers:
QA1 #qapGS501-10550C
⚠ 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: 24.30 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 |
