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QA1 Kit, Rear Pro-Coil S-Adj GM A-Body 73-77 12-170
$843.95

QA1 RCK52376 Rear Coil-Over Conversion Kit

Upgrade your 1973-1977 GM A-Body with the QA1 RCK52376 Rear Coil-Over Conversion Kit. This comprehensive kit is designed for easy installation and enhanced performance, making it a perfect choice for both casual drivers and serious racers.

Key Features

  • Easy Installation: This kit is designed for a bolt-in setup, eliminating the need for cutting or welding.
  • Adjustable Ride Height: Customize your vehicle's stance with fully threaded shock bodies that allow for precise ride height adjustments.
  • High-Quality Shocks: Choose between single and double adjustable aluminum shocks, offering 18 positions for rebound and compression adjustments. The double adjustable option provides a total of 324 valving combinations for fine-tuning performance.
  • Lightweight High Travel Springs: Made in the USA, these springs feature fewer coils and a smaller wire diameter for increased travel and reduced unsprung weight.
  • Multiple Spring Rate Options: Tailor your suspension setup with various spring rates tested for both street driving and competitive racing.
  • 100% Dyno Tested: Each component is serialized and dyno tested to ensure top-notch quality and performance.
  • Rebuildable and Revalveable: Both the shocks and springs can be serviced by QA1 or authorized service centers, allowing for longevity and adaptability.

Specifications

  • Fitment: Designed specifically for 1973-1977 GM A-Bodies.
  • Included Components: 2 shocks, 2 high travel springs, all necessary mounting brackets and hardware.
  • Spring Rate: The kit includes springs with a spring rate of 170.

Benefits

This conversion kit not only improves handling and ride quality but also lowers your vehicle for a more aggressive stance. With its easy installation and adjustable features, you can achieve the perfect setup tailored to your driving style.

Customer Feedback

Users have praised the RCK52376 for its straightforward installation process and noticeable improvements in handling. Many have noted how the adjustable shocks allow for quick tuning, making it versatile for both daily driving and track use. The quality of the components has also received high marks, with several customers mentioning the impressive ride quality and responsiveness of the suspension.

Important Considerations

Keep in mind that later model vehicles may weigh more, which can affect spring selection. For assistance with your order or further questions, feel free to contact QA1 tech support at 952.985.5675.

Other Part Numbers:
QA1 #qapRCK52376

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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Things
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
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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 $715.24 $934.96 ? $843.95 ? 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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