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Vivid Racing Gear 
QA1 RCK52383 Rear Coil-Over Conversion Kit
Upgrade your 1978-1996 GM B-Body with the QA1 RCK52383 Rear Coil-Over Conversion Kit. This kit is designed for enthusiasts who want to enhance their vehicle's suspension performance without the hassle of cutting or welding.
Key Features
- Easy Installation: The kit offers a straightforward bolt-in design, making it user-friendly for DIY enthusiasts.
- Adjustable Ride Height: The fully threaded shock body allows for precise ride height adjustments, ensuring your vehicle maintains the perfect stance.
- High-Quality Components: Includes USA-made mounting brackets and premium aluminum shocks that are both single and double adjustable.
- Customizable Shock Settings:
- Single Adjustable Shocks: 18 positions for simultaneous rebound and compression adjustments.
- Double Adjustable Shocks: 18 positions each for compression and rebound, providing a total of 324 valving combinations.
- Lightweight High Travel Springs: Specially designed springs with fewer coils and a smaller wire diameter increase travel and reduce unsprung weight for improved responsiveness.
- Multiple Spring Rates: Choose from various spring rates tested for street driving and hardcore racing applications.
Specifications
- Application: Fits 1978-1996 GM B-Bodies
- Spring Rate: 200 lbs
- Included Components:
- 2 Shocks
- 2 High Travel Springs
- All Mounting Brackets and Hardware
- Made in the USA: All components are manufactured in the United States for quality assurance.
- Rebuildable and Revalveable: QA1 factory or authorized service centers can rebuild and revalve the shocks as needed.
Fitment Notes
Please consider that later model vehicles may weigh more on average, which can affect spring selection. For personalized assistance, reach out to QA1 tech at 952.985.5675.
Customer Feedback
Many users have praised the QA1 RCK52383 for its easy installation and noticeable improvement in handling. One customer noted how the adjustable settings allowed them to fine-tune their ride for both street and track use, resulting in a much more responsive driving experience. Another reviewer highlighted the quality of the components, stating that the lightweight design significantly improved their vehicle's performance during cornering.
Other Part Numbers:
QA1 #qapRCK52383
⚠ 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: 25.00 Length: 18 Width: 9 Height: 9 |
| 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 10:45:11 |
