See more parts for Buick Estate Wagon
Select the year of your Buick Estate Wagon:
Product thumb
QA1 Kit, Rear Pro-Coil MOD-Adj, 78-96 GM B-Body, 12-300
$2107.95

QA1 RCK52454 MOD Series Shock: Precision Performance for Your Ride

Say goodbye to the limitations of traditional shocks! The QA1 RCK52454 MOD Series shock is engineered for high-performance drag racing and handling/pro-touring vehicles, giving you the flexibility to adapt to any track condition in just minutes.

Key Features

  • QuickTune Technology: This innovative feature allows for easy swapping of dry modular valve packs without removing the shock from your vehicle. Keep the oil path intact and avoid debris and air contamination.
  • Adjustable Valving: Standard medium compression and rebound valve packs come included, with options for soft or firm setups available. Customize your ride to your exact preferences.
  • Double Adjustable Design: Enjoy independent control over compression and rebound characteristics, thanks to the unique low-speed bleed adjustment.
  • Mounting Flexibility: The shock features adjustable mounting options to fit various vehicles and configurations, ensuring a perfect fit.
  • Nitrogen-Charged Canister: Available in both piggyback and remote configurations, the canister's design makes installation a breeze, even in tight spaces.
  • Indexable Base Eyelet: Easily adjust the angle of the base eyelet for optimal shock and canister placement.
  • Quality Assurance: Each shock is 100% dyno tested, serialized, and proudly manufactured in Lakeville, Minnesota.

Specifications

  • Model: RCK52454
  • Application: Rear Pro Coil shock for 78-96 GM B-Bodies
  • Included Components: Two shocks, 12" springs with a spring rate of 300, all necessary mounting hardware and brackets

Fitment

The RCK52454 is designed specifically for 78-96 GM B-Bodies, ensuring a perfect fit and optimal performance for your vehicle.

Customer Insights

Users have praised the RCK52454 for its exceptional adjustability and ease of installation. Many appreciate how quickly they can adapt their shocks to changing track conditions without the hassle of disassembly. The quality of construction and the responsive performance on the track have also garnered positive feedback, making it a favorite among serious racers and car enthusiasts alike.

Other Part Numbers:
QA1 #qapRCK52454

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

QA1 Banner

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.



You're seeing this because you're logged into an employee account or you're accessing the site through an internal IP address. This information is not normally visible.
Things
Sale price None
Wholesale price $2,108.03
Shipping Weight: 27.20
Length: 30
Width: 15
Height: 10
Product Added At Monday 23 December, 2024
Product Modified At Wednesday 06 August, 2025
Imported By ETLOverride
Last Edited By Turn_API
View In Admin

Emissions Info
Carb Approved -
Carb Number -
Epa Status N/A
Prop65 Yes
Carb Required -
Vendors
Some placeholder content for the collapse component. This panel is hidden by default but revealed when the user activates the relevant trigger.
Vendor Inv Cost Retail Jobber MAP Core Updated
Turn 14 $1,786.47 $2,335.26 ? $2,107.95 ? 2025-08-06 10:46:59


Check out these other great products