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QA1 78-88 G-Body Big Wheel Rear Coilover Kit, Single Adjustable RCK52366

QA1 78-88 G-Body Big Wheel Rear Coilover Kit, Single Adjustable RCK52366
$1,411.99 ea
NEWARRIVING SOONEstimated Ship Date 08/26/2025 (If Ordered Today)
Model: 5054388
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
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Improve the rear suspension of your Malibu, Monte Carlo, Cutlass, and other G-body GMs with QA1's bolt-in rear coilover conversion kit. These kits are an excellent choice for any G-body owner looking for a better stance, ride quality and performance. This kit includes specially designed mounting brackets, adjustable aluminum shocks, springs, and all necessary hardware.

DIAL IN THE PERFECT STANCE

We understand that achieving the perfect stance for your car can be a challenge. That's why we've created a solution that makes it easy to adjust your ride height. QA1 coilovers feature a fully threaded, aluminum body and adjustable brackets which allow you to achieve 1” higher than stock down to 3" lower than stock ride height.

COMFORT & PERFORMANCE  

Fine-tune your suspension for optimal performance on the street or the occasional track day with our single-adjustable shocks. 18-clicks of adjustability allow you to precisely tailor your suspension for enhanced ride quality and performance. Perfect for street cars and drivers seeking the ultimate balance of comfort and handling.

EASY, BOLT-IN INSTALLATION

Our commitment to thoughtful product design is evident in every product we produce. QA1 rear coilover kits are a bolt-in upgrade, including all of the brackets, hardware and pieces you need for a simple install. 

BEST IN-CLASS LIFETIME WARRANTY

QA1 Single Adjustable shocks are eligible for a Limited Lifetime Warranty. For peace of mind, simply register your shocks at QA1.net/Warranty to ensure coverage for as long as you own your vehicle.

MADE IN THE USA

QA1 shocks are proudly made in Lakeville, Minnesota. See a complete video on the manufacturing process. 

FEATURES AND BENEFITS

  • Achieve 1” higher than stock down to 3" lower than stock.
  • Achieve the ultimate balance of ride quality and performance handling
  • Limited Lifetime Warranty for peace of mind. 
  • Sold as a pair.
  • Proudly made in the USA.

FITMENT NOTES

  • Spanner wrench (required): P/N T114W or T115W 
  • Thrust Bearing Kits (optional): P/N 7888-109 
  • Lower shock mount bracket may not work with aftermarket rear end housings.
About Qa1 Precision Products

From bolt-on products that get you behind the wheel faster, to experienced technicians available to help increase your 60’ times or handle curves with confidence, everything we do is designed to get you out on the road.

Whether your goal is a Saturday night sprint across the checkered flag or a slow, easy cruise down main street, we have the suspension and driveline products you need for the experience you want.

No matter what you drive, we want you to #goDRIVEit!

Downloads:

Download Name File Size
9919-300_REV_G Body BIG WHEEL RCK Kit.pdf1.1MB

Videos:

Vehicle Fitment:

The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.
Make Model Years
Buick Regal 1982 - 1987
Chevrolet El Camino 1982 - 1987
Chevrolet Malibu 1978 - 1983
Chevrolet Monte Carlo 1982 - 1988
GMC Caballero 1981 - 1987
Oldsmobile Cutlass 1985 - 1988
Pontiac Bonneville 1982 - 1987
Pontiac Grand Prix 1982 - 1987

Specifications:

Part Type Shock Absorber and Coil Spring Assembly
Proposition 65 www.P65Warnings.ca.gov
Warranty Time 1 YR

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QA1 78-88 G-Body Big Wheel Rear Coilover Kit, Single Adjustable RCK52366: