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Vivid Racing Gear 
QA1 RCK52380 Rear Coil-Over Conversion Kit
Upgrade your 1978-1996 GM B-Body with the QA1 RCK52380 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. With everything you need included, installation is a breeze!
Key Features
- Complete Kit: Comes with two high-quality aluminum shocks, two high travel springs, all necessary mounting brackets, and hardware.
- Adjustable Shocks: Choose between single adjustable shocks with 18 positions for simultaneous rebound and compression adjustment, or opt for double adjustable shocks that offer 18 positions for both compression and rebound, totaling 324 valving combinations.
- Ride Height Adjustment: The fully threaded body allows you to easily adjust the ride height, giving you the perfect stance and improved weight balance for superior handling.
- Lightweight Design: The American-made high travel springs feature fewer coils and a smaller wire diameter, providing increased travel due to the larger distance between coils. This design reduces unsprung weight and enhances suspension responsiveness.
- Versatile Spring Rates: Multiple spring rate options are available, tested for a range of applications from casual street driving to hardcore racing.
- Easy Installation: Designed for a bolt-in installation, making it easy for you to upgrade your suspension without extensive modifications.
- Made in the USA: Quality craftsmanship you can trust, with all components being 100% dyno tested and serialized.
- Rebuildable and Revalveable: Both the shocks and springs can be serviced by QA1 or authorized service centers, ensuring longevity and performance.
Specifications
- Application: 1978-1996 GM B-Bodies
- Spring Rate: 200 lbs
- Weight Consideration: Keep in mind that later model vehicles may weigh more, affecting spring selection. Contact QA1 tech support for guidance at 952.985.5675.
Fitment
This conversion kit is specifically designed for 1978-1996 GM B-Body vehicles, providing a perfect fit and optimal performance for your car.
Customer Insights
Users have praised the QA1 RCK52380 for its straightforward installation and noticeable improvements in handling and ride quality. Many have noted how the adjustable features allow for fine-tuning to suit personal driving styles, whether on the street or track. The lightweight springs have received accolades for enhancing responsiveness, making the vehicle feel more agile and connected to the road.
Other Part Numbers:
QA1 #qapRCK52380
⚠ 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 | $1,057.00 |
| 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 | $895.76 | $1,170.93 | ? | $1,056.95 | ? | 2025-07-11 10:45:11 |
