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Qa1

QA1 73-77 GM A-Body Pro Rear Coil-Over Shock Absorber - Double Adj. - Stock Mount - Aluminum

SKU: QAPRCK52370

Coilover Kits

QAP Coil Shocks - Pro Coil...

Qa1

QA1 73-77 GM A-Body Pro Rear Coil-Over Shock Absorber - Double Adj. - Stock Mount - Aluminum

SKU: QAPRCK52370

Coilover Kits

QAP Coil Shocks - Pro Coil...

A$2,154.41
Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.

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Description

Rear Pro Coil Shock

Additional Information

Rear Pro Coil shock for 73-77 GM A-bodies. Double adjustable and includes brackets and two shocks. No springs included.

Part Type

Coilover Set

Product Overview

QA1 now offers bolt-in rear coil-over shocks for 1973-1977 GM A-bodies, including Chevelle, Monte Carlo, Cutlass and Regal. These shocks are available in single or double adjustable valving options. Single adjustable shocks provide 18 positions of simultaneous rebound and compression adjustment while QA1's double adjustable shocks provide 18 positions of compression adjustment and 18 positions of rebound adjustment, for a total of 324 possible valving combinations. These shocks also utilize a fully threaded body allowing for the use of after market springs. With our highly popular adjustable front shocks and the addition of the rear coil-over shocks, you can now get a complete suspension makeover for both ends of the vehicle. Made in the USA, Easy, Bolt-In Installation, No Cutting or Welding, Threaded Body, 100% Dyno Tested and Serialized, Rebuildable and Revalveable by the QA1 Factory or QA1 Authorized Serivce Centers.

Data: v4.2 - Upd: 2026-11-09 11:13:56

Features

  • Achieve 1/2 higher than stock down to 2.25" lower than stock.
  • Limited Lifetime Warranty for peace of mind.
  • Proudly made in the USA.
  • Sold as a pair.
  • Ultimate balance of ride quality and performance handling with adjustable rebound and compression valving.

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Specifications

Product Details

Active or Passive Suspension:Passive
Adjustable Compression:Yes
Adjustable Rebound:Yes
Adjustable Ride Height:Yes
Assembled:No
Brand:QA1
Description:QA1 73-77 GM A-Body Pro Rear Coil-Over Shock Absorber - Double Adj. - Stock Mount - Aluminum
Grade Type:Performance
Internal Construction Type:Dual Tube
Manufacturer Part Number:RCK52370
Part Number:qapRCK52370
Remote Reservoir:No
Spring Color:Silver
Spring Material:High Tensile Chrome Silicon
Title:QA1 Shock Absorber and Coil Spring Assembly RCK52370
UPC:806990137074

Product Downloads

# Document Type Download
1. Installation Instructions

Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.

Data: v2 - Desc: v4.2 - Upd: 2026-11-08 13:43:49

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s Qa1
StreetFX SKU qapRCK52370
SFX Item ID 4095201
Accounting SKU qap-RCK52370
Manufacturer SKU RCK52370
Manufacturer UPC 806990137074
Alternative References QA1-RCK52370, RCK52370

Coilover Kit, Pro Coilover System, Rear, Double Adjustable, Buick, Chevy, GMC, Oldsmobile, Pontiac, Kit

Here's an easy way to convert your stock rear suspension to a coilover suspension. You get everything you need with these QA1 Rear Pro coilover systems, from shocks to nuts and bolts, complete installation instructions, and even decals!

Product Attributes
BrandQA1
Manufacturer's Part NumberRCK52370
Part TypeCoilover Kits
Product LineQA1 Rear Pro Coilover Conversion Systems
UPC806990137074
Coilover Kit PositionRear
Adjustable ValvingYes
Number of Valving Selections324
Shocks IncludedYes
Internal DesignTwin-tube
Coilover Springs IncludedNo
Suspension Height Adjustment0.0-1.5 in. lowered
Gas ChargedNo
Extended Length (in.)16.88
Collapsed Length (in.)11.63
Upper MountEyelet
Lower MountEyelet
Body Diameter (in.)2.000
Shock Body MaterialAluminum
Shock Body FinishSilver
Bushing MaterialSpherical bearing
Bushing ColorNatural
Crossmember IncludedNo
Adjustable Mounting Bracket IncludedNo
Hardware IncludedYes
Welding RequiredNo
QuantitySold as a kit.
NotesDouble adjustable coilovers. Includes 2 coilover shocks with necessary hardware.

Manufacturer Attributes
Title QA1 Shock Absorber and Coil Spring Assembly RCK52370
Brand QA1
Manufacturer Part Number RCK52370
UPC 806990137074
Manufacturer Designation Kit, Rear Pro-Coil D-Adj, No Springs 73-77 GM A-Body
Product Class Suspension Shock Absorber and Coil Spring Assembly
Construction/Type Rear Pro Coil shock for 73-77 GM A-bodies. Double adjustable and includes brackets and two shocks. No springs included.
Product Outline Achieve 1/2 higher than stock down to 2.25" lower than stock.
Ultimate balance of ride quality and performance handling with adjustable rebound and compression valving.
Limited Lifetime Warranty for peace of mind.
Sold as a pair.
Proudly made in the USA.
Vehicle Brief QA1 Rear Pro Coil Shock
Market Description QA1 now offers bolt-in rear coil-over shocks for 1973-1977 GM A-bodies, including Chevelle, Monte Carlo, Cutlass and Regal. These shocks are available in single or double adjustable valving options. Single adjustable shocks provide 18 positions of simultaneous rebound and compression adjustment while QA1's double adjustable shocks provide 18 positions of compression adjustment and 18 positions of rebound adjustment, for a total of 324 possible valving combinations. These shocks also utilize a fully threaded body allowing for the use of after market springs. With our highly popular adjustable front shocks and the addition of the rear coil-over shocks, you can now get a complete suspension makeover for both ends of the vehicle. Made in the USA, Easy, Bolt-In Installation, No Cutting or Welding, Threaded Body, 100% Dyno Tested and Serialized, Rebuildable and Revalveable by the QA1 Factory or QA1 Authorized Serivce Centers.

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