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QA1 Kit, Rear Pro-Coil S-Adj GM B-Body 78-96 12-200
$1056.95

QA1 RCK52381 Rear Coil-Over Conversion Kit

Upgrade your ride with the QA1 RCK52381 Rear Coil-Over Conversion Kit, designed specifically for 1978-1996 GM B-Bodies. This kit is engineered for enthusiasts looking to enhance handling and performance without the need for cutting or welding. Let’s dive into what makes this kit a must-have for your vehicle.

Key Features

  • Easy Bolt-In Installation: Enjoy a hassle-free installation process with no cutting or welding required.
  • Adjustable Ride Height: Tailor your vehicle's stance with fully threaded shock bodies, allowing for precise ride height adjustments.
  • High-Performance Shocks: Choose between single or double adjustable aluminum shocks. The single adjustable shocks provide 18 positions for simultaneous rebound and compression adjustment. Opt for the double adjustable shocks for a total of 324 valving combinations, offering 18 positions for both compression and rebound adjustments.
  • 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 quicker reaction times.
  • Multiple Spring Rate Options: Available spring rates are tested across various applications, from daily driving to hardcore racing.
  • Rebuildable and Revalveable: Both the shocks and springs can be serviced at QA1's factory or authorized service centers, ensuring longevity and performance.

Specifications

  • Fitment: 1978-1996 GM B-Bodies
  • Included Components: 2 Shocks, 2 High Travel Springs, All Mounting Brackets and Hardware
  • Spring Rate: 200
  • Made in the USA: Proudly manufactured with quality and performance in mind.

Benefits of the RCK52381 Kit

This conversion kit not only lowers your vehicle but also optimizes its handling capabilities. The adjustable features allow you to fine-tune your suspension setup for various driving conditions, whether you're cruising down the street or tearing up the track. The lightweight design enhances performance by reducing unsprung weight, allowing for quicker suspension response and improved traction.

Customer Feedback

Users have praised the RCK52381 for its straightforward installation and noticeable improvements in ride quality and handling. Many have reported that the adjustable shocks make it easy to find the perfect balance for their driving style, whether on the street or the racetrack. The high travel springs have also received accolades for their ability to provide a smoother ride while maintaining excellent performance during aggressive maneuvers.

Important Considerations

When ordering, keep in mind that later model vehicles may weigh more on average, which can affect your spring selection. For any questions or technical support, feel free to reach out to QA1's tech team at 952.985.5675.

Other Part Numbers:
QA1 #qapRCK52381

Proposition 65

WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

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Who is QA1?

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 Experts

The 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 Facility

The 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 Racing

If 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.



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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
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Emissions Info
Carb Approved -
Carb Number -
Epa Status N/A
Prop65 Yes
Carb Required -
Vendors
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Vendor Inv Cost Retail Jobber MAP Core Updated
Turn 14 $895.76 $1,170.93 ? $1,056.95 ? 2025-07-11 10:45:11

Manufacturer Direct Shipping
This item is available for direct shipping from the manufacturer. Please verify stock availability with the manufacturer. Once confirmed, you can place an order through [Meyer Distributing], who will arrange for dropshipping from the manufacturer directly to our customer.

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