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Vivid Racing Gear 
QA1 GM Pro Coil System for 1963-1965 Buick Riviera (GS508-10500C)
The QA1 GM Pro Coil System is specifically designed for the 1963-1965 Buick Riviera, offering a premium suspension upgrade that caters to both casual drivers and performance enthusiasts. With this system, you can achieve a ride height that perfectly suits your style while enjoying superior handling and comfort.
Key Features
- Fully Adjustable Ride Height: Tailor the stance of your vehicle to your preference with a fully threaded body that allows for precise height adjustments.
- Customizable Valving Control: Choose between independent compression and rebound double adjustable options or simultaneous compression and rebound adjustments to match your driving style.
- Lightweight Billet Aluminum Coil-Over Shocks: Designed for durability without the excess weight, these shocks enhance performance without adding strain to your vehicle.
- High Travel Springs: Featuring fewer coils and a smaller wire diameter, these American-made springs provide increased travel and quicker response times, optimizing your suspension performance.
- Easy Installation: The system is designed for a straightforward, bolt-in installation, making it accessible for DIY enthusiasts.
- 100% Dyno Tested: Each unit is serialized and rigorously tested to ensure top-notch performance and reliability.
- Serviceable and Rebuildable: The Pro Coil System can be serviced and rebuilt at QA1 Authorized Service Centers, ensuring longevity and continued performance.
- Versatile Applications: Ideal for drag racing, street performance, autocross, road racing, and street rod applications.
Specifications
- Compressed Length: 9.63 inches
- Extended Length: 14.5 inches
- Spring Rate: 500 lbs (10-inch spring)
- Sold in Pairs: Each kit includes two shocks for balanced performance.
Fitment
This Pro Coil System is specifically engineered for the 1963-1965 Buick Riviera, ensuring a perfect fit and seamless integration with your vehicle's existing suspension setup.
Customer Insights
Users have praised the QA1 Pro Coil System for its exceptional ride quality and handling improvements. Many have noted the ease of installation and the noticeable difference in performance, particularly in cornering and stability during high-speed maneuvers. The adjustable features allow for customization that meets varied driving preferences, making it a favorite among both casual drivers and racing enthusiasts.
Other Part Numbers:
QA1 #qapGS508-10500C
⚠ 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 10:45:07 |
