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Vivid Racing Gear 
QA1 RCK52393 Rear Coil-Over Conversion Kit
Upgrade your 1965-1970 Chevy B-Body with the QA1 RCK52393 Rear Coil-Over Conversion Kit. This kit is designed for enthusiasts who want to enhance their vehicle's handling and ride quality without the hassle of complicated installations.
Key Features
- Easy Bolt-In Installation: No cutting or welding required, making it a straightforward upgrade for your suspension.
- Adjustable Ride Height: The fully threaded shock body allows you to customize your ride height, achieving the perfect stance for your vehicle.
- High-Performance Shocks: Choose between single or double adjustable aluminum shocks. Single adjustable shocks offer 18 positions for simultaneous rebound and compression adjustment, while double adjustable shocks provide 18 positions for both compression and rebound, totaling 324 valving combinations.
- Lightweight High Travel Springs: Made in the USA, these springs feature fewer coils and a smaller wire diameter, increasing travel and reducing unsprung weight for optimized performance.
- Versatile Spring Rates: Multiple spring rate options are available, tested for everything from casual street driving to hardcore racing.
- Complete Pro Coil System: Each kit includes 2 high travel shocks, 2 high travel springs, all necessary mounting brackets, and hardware for a comprehensive suspension upgrade.
Specifications
- Part Number: RCK52393
- Shock Type: MOD Series Shock
- Spring Rate: 200 lbs
- Made in: USA
- Vehicle Fitment: 1965-1970 Chevy B-Bodies
Customer Insights
Users have noted that the QA1 RCK52393 kit significantly improves handling and ride comfort, making their classic Chevy feel more modern on the road. Many appreciate the ease of installation, allowing them to enjoy the benefits of a coil-over suspension without extensive modifications. The adjustable features have also been highlighted as a game-changer, enabling drivers to fine-tune their vehicle’s performance based on their specific driving needs.
Important Considerations
When ordering, keep in mind that later model vehicles may weigh more on average, which could affect spring selection. For personalized assistance, don't hesitate to contact QA1 tech support at 952.985.5675.
Complete Your Suspension Upgrade
Pair the RCK52393 with QA1's highly popular adjustable front coil-over kits to achieve a complete suspension makeover for both ends of your vehicle. Experience the difference in performance and style with this high-quality American-made kit.
Other Part Numbers:
QA1 #qapRCK52393
⚠ 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 | $2,254.05 |
| Shipping |
Weight: 24.80 Length: 30 Width: 15 Height: 10 |
| 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 | $1,910.21 | $2,497.01 | ? | $2,253.95 | ? | 2025-07-11 10:45:14 |
