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Vivid Racing Gear 
QA1 GM Pro Coil System for 1963-1965 Buick Riviera
If you're looking to upgrade your 1963-1965 Buick Riviera, the GS508-10550C Pro Coil System by QA1 is a fantastic choice. This system is designed to provide you with fully adjustable ride height and valving control, ensuring that you can tailor your driving experience to your exact preferences.
Key Features
- Customizable Ride Height: The fully threaded body allows for easy adjustments, letting you achieve the perfect stance or fine-tune weight balance for enhanced handling.
- Lightweight High Travel Springs: Made in the USA, these springs feature fewer coils and a smaller wire diameter, resulting in increased travel and faster reactions, optimizing your suspension performance.
- Multiple Spring Rate Options: Choose from various spring rates that have been tested for everything from casual street driving to hardcore racing applications.
- Adjustable Pro Coil System: Available in independent compression and rebound double adjustable or simultaneous compression and rebound adjustable configurations.
- Durable Construction: Features lightweight billet aluminum coil-over shocks that are 100% dyno tested and serialized, ensuring quality and reliability.
- Easy Installation: Designed for a straightforward bolt-in installation process, making upgrades hassle-free.
- Serviceable and Rebuildable: Can be serviced and rebuilt at QA1 authorized service centers for long-lasting performance.
Specifications
- Compressed Length: 9.63 inches
- Extended Length: 14.5 inches
- Spring Length: 10 inches
- Spring Rate: 550 lbs
Fitment
This Pro Coil System is specifically designed for the 1963-1965 Buick Riviera and is ideal for a range of applications including drag racing, street performance, autocross, and road racing.
Customer Insights
Many users have praised the GS508-10550C for its remarkable adjustability, allowing them to fine-tune their ride to match personal driving styles. The lightweight design has also been highlighted for improving overall handling and responsiveness on the road. Enthusiasts appreciate the ease of installation, making it a popular choice for DIY upgrades.
Upgrade your Buick Riviera with the QA1 GS508-10550C Pro Coil System and experience a new level of performance and comfort on the road!
Other Part Numbers:
QA1 #qapGS508-10550C
⚠ 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: 28.50 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 | $605.07 | $790.94 | ? | $713.95 | ? | 2025-07-11 10:45:08 |
