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  See more parts for Buick Estate Wagon
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QA1 Kit, Rear Pro-Coil S-Adj, No Springs 78-96 GM B-Body - RCK52378

QA1 RCK52378 Rear Coil-Over Shocks

Upgrade your 1978-1996 GM B-body with the QA1 RCK52378 rear coil-over shocks. Designed for enthusiasts who demand top-notch performance and adjustability, these shocks provide a seamless blend of comfort and control on the road or track.

Key Features

  • Adjustable Valving Options: Choose between single or double adjustable shocks. The single adjustable option boasts 18 positions for simultaneous rebound and compression adjustment, while the double adjustable version offers 18 positions each for compression and rebound, totaling an impressive 324 valving combinations.
  • Fully Threaded Body: This feature allows for the use of aftermarket springs, giving you the flexibility to customize your suspension setup to suit your driving style.
  • Easy Installation: Designed for a bolt-in installation, these shocks require no cutting or welding, making it straightforward to upgrade your suspension.
  • Made in the USA: Quality craftsmanship ensures durability and reliability, with each unit 100% dyno tested and serialized for performance assurance.
  • Rebuildable and Revalveable: Both the QA1 factory and authorized service centers can rebuild and revalve these shocks, ensuring they remain in peak condition for years to come.

Specifications

  • Fitment: Compatible with 1978-1996 GM B-bodies
  • Included: Comes with brackets and two shocks (springs not included)
  • Shock Type: Rear Pro Coil shock

Customer Feedback

Users have praised the QA1 RCK52378 for its remarkable adjustability and ease of installation. Many have noted significant improvements in handling and ride quality after the upgrade. The ability to fine-tune the suspension to personal preferences has been highlighted as a standout feature, making these shocks a favorite among car enthusiasts.

Upgrade Your Suspension

With the addition of QA1's highly popular adjustable front shocks, you can achieve a complete suspension makeover for both ends of your vehicle. Experience the difference in performance and comfort that the RCK52378 rear coil-over shocks bring to your driving experience.

Other Part Numbers:
QA1 #qapRCK52378

Proposition 65

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

Vehicle
1978-1983
 Buick Estate Wagon
1978-1985
 Buick LeSabre
1991-1996
 Buick Roadmaster
1978-1996
 Chevrolet Caprice
1978-1985, 1994-1996
 Chevrolet Impala
1978-1992
 Oldsmobile Custom Cruiser
1978-1985
 Oldsmobile Delta 88
1978-1981
 Pontiac Bonneville

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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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