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Vivid Racing Gear 
QA1 RCK52386 Rear Coil-Over Conversion Kit
Upgrade your 1965-1970 Chevy B-Body with the QA1 RCK52386 Rear Coil-Over Conversion Kit. This kit is engineered to enhance your vehicle's suspension performance with ease and precision.
Key Features
- Bolt-In Installation: Enjoy a hassle-free setup with no cutting or welding required.
- Adjustable Ride Height: Fine-tune your vehicle’s stance for both aesthetics and handling. The fully threaded shock body allows for easy adjustments.
- High-Performance Shocks: Choose between single adjustable shocks with 18 positions for simultaneous rebound and compression adjustment, or opt for double adjustable shocks that offer a total of 324 valving combinations.
- Lightweight High Travel Springs: Made in the USA, these springs feature fewer coils and a smaller wire diameter, resulting in increased travel and reduced unsprung weight for faster reactions and optimized performance.
- Multiple Spring Rate Options: Tailor your ride to your driving style, whether you’re cruising the streets or hitting the track.
- 100% Dyno Tested: Each component is serialized and rigorously tested to ensure quality and performance.
Complete Kit Includes:
- 2 Adjustable Shocks
- 2 High Travel Springs
- All Necessary Mounting Brackets and Hardware
Specifications
- Spring Rate: 170 lbs
- Compatibility: Designed specifically for 1965-1970 Chevy B-Bodies
- Rebuildable and Revalveable: Maintain peak performance with service options available through QA1 or authorized service centers.
Fitment Notes
When ordering springs, keep in mind that later model vehicles typically weigh more. For any questions or guidance, feel free to reach out to QA1 tech support at 952.985.5675.
Customer Insights
Users have praised the RCK52386 for its remarkable ease of installation and the noticeable improvement in handling. Many report that the adjustable features allow for a personalized driving experience, making it suitable for both daily driving and performance applications. The lightweight springs are particularly noted for their responsiveness, enhancing overall ride quality.
Other Part Numbers:
QA1 #qapRCK52386
⚠ 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 | $843.98 |
| Shipping |
Weight: 19.00 Length: 21 Width: 10 Height: 8 |
| 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 | $715.24 | $934.96 | ? | $843.95 | ? | 2025-07-11 10:45:14 |
