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Vivid Racing Gear 
QA1 RCK52371 Rear Coil-Over Conversion Kit
Upgrade your 1973-1977 GM A-Body with the QA1 RCK52371 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 its bolt-in installation, you can enjoy a seamless upgrade that gets you back on the road in no time.
Key Features
- Custom Fit: Specifically designed for 1973-1977 GM A-Bodies, ensuring a perfect fit.
- Adjustable Shocks: Choose between single or double adjustable aluminum shocks. The single adjustable shocks offer 18 positions for both rebound and compression, while the double adjustable shocks provide a total of 324 valving combinations with 18 positions each for compression and rebound.
- Ride Height Adjustment: The fully threaded shock body allows you to fine-tune your ride height, giving your vehicle the ideal stance and weight balance for superior handling.
- High Travel Springs: Made in the USA, these lightweight springs feature fewer coils and a smaller wire diameter, resulting in increased travel and faster reaction times. Multiple spring rate options are available, making them suitable for everything from casual street driving to hardcore racing.
- Complete Kit: Each kit includes two shocks, two high travel springs, all necessary mounting brackets, and hardware for a straightforward installation.
- 100% Dyno Tested: Each component is serialized and dyno tested to ensure top performance.
- Rebuildable and Revalveable: Shocks can be serviced by QA1’s factory or authorized service centers, ensuring longevity and performance.
Specifications
- Vehicle Compatibility: 1973-1977 GM A-Bodies
- Spring Rate: 150 lbs
- Installation: Easy bolt-in installation, no cutting or welding required
- Weight Consideration: Later model vehicles may weigh more; consider this when ordering springs.
Why Choose QA1?
QA1 is known for its high-quality performance products, and the RCK52371 Rear Coil-Over Conversion Kit is no exception. Whether you're hitting the streets or the racetrack, this kit provides the adjustability and performance you need to take your ride to the next level.
Customer Insights
Users have praised the QA1 RCK52371 for its ease of installation and noticeable improvement in handling. Many have noted that the adjustable ride height feature allows for personalized tuning, making it a favorite among both casual drivers and serious racers. The robust construction and American-made quality add to the confidence in performance and durability.
Get Started
If you have any questions or need assistance with your order, feel free to reach out to QA1 tech support at 952.985.5675. Experience the difference with the QA1 RCK52371 Rear Coil-Over Conversion Kit and enjoy a smoother, more controlled ride.
Other Part Numbers:
QA1 #qapRCK52371
⚠ 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 |
