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Qa1

QA1 64-72 GM A/G-Body Pro Rear Coil-Over System - Double Adj. - 12in x 200lbs/in - Aluminum

SKU: QAPRCK52358

Coilover Kits

QAP Coil-Overs - Pro Coil...

Qa1

QA1 64-72 GM A/G-Body Pro Rear Coil-Over System - Double Adj. - 12in x 200lbs/in - Aluminum

SKU: QAPRCK52358

Coilover Kits

QAP Coil-Overs - Pro Coil...

A$2,414.23
LOW STOCK! Est Ship 3-5 days. In stock at 2 locations (more than 10 available)

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Description

Rear Pro Coil Shock

Additional Information

Rear Pro Coil shock for 64-72 GM A and G-bodies. Double adjustable and includes all mounting hardware, brackets, two shocks and springs with a spring rate of 200.

Part Type

Coilover Set

Product Overview

QA1 now offers bolt-in rear coil-over shocks for 1963-1965 Buick Rivieras. 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 ride height adjustability. With our highly popular adjustable struts and the addition of the rear coil-over shocks, you can now get a complete suspension makeover for both ends of the vehicle. These lightweight billet aluminum coil-over shocks are made in the USA and offer easy, bolt-in installation and ride height adjustability. They are 100% dyno tested and serialized and serviceable and rebuildable by QA1 authorized service centers. Used in drag racing, street performance, autocross, road racing and street rod applications.

This item is available as a full kit.
Select a kit option in the following table if you are looking for this item in a bundle form with all associated components.

Kit option/s:

Thumb SKU Kit Title
qapBW02-GMA2 QA1 68-72 GM A-Body Level 2 Big Wheel Kit (1x qap5248, 1x qap52522, 1x qap52737, 1x qap5284, 1x qap52870, 2x qap7888-109, 1x qapGD401-10450B, 1x qapRCK52358, 1x qapT115W, 1x qap5236, 1x qap52857)
qapHK22-GMG2 QA1 Level 2 Full Vehicle Handling Suspension Kits for 1969-1972 GRAND PRIX, 1970-1972 MONTE CARLO - HK22-GMG2 HANDLING KIT LEVEL 2, G-PRIX, MONTE; GM, 69-72 G-BODY, W/ SHOCKS
qapBW02-GMA1 QA1 64-67 GM A-Body Level 2 Big Wheel Kit (1x qap5249, 1x qap5250, 1x qap52522, 1x qap52737, 1x qap5283, 1x qap52870, 2x qap7888-109, 1x qapGD501-10450A, 1x qapRCK52358, 1x qapT115W, 1x qap5236, 1x qap52856)
qapxBW02-GMA1-2EPI QA1 64-67 GM A Body Level 2 Big Wheel Suspension Kit (1x qap5249, 1x qap5250, 1x qap52522, 1x qap52737, 1x qap5283, 1x qap52870, 2x qap7888-109, 1x qapGD501-10450A, 1x qapRCK52358, 1x qapT115W, 1x qap5236, 1x qap52856)

Data: v4.2 - Upd: 2026-11-09 12:35:38

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 64-72 GM A/G-Body Pro Rear Coil-Over System - Double Adj. - 12in x 200lbs/in - Aluminum
Grade Type:Performance
Internal Construction Type:Dual Tube
Manufacturer Part Number:RCK52358
Part Number:qapRCK52358
Remote Reservoir:No
Spring Color:Silver
Spring Material:High Tensile Chrome Silicon
Title:QA1 Shock Absorber and Coil Spring Assembly RCK52358
UPC:806990143273

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 16:18:03

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s Qa1
StreetFX SKU qapRCK52358
SFX Item ID 4095199
Accounting SKU qap-RCK52358
Manufacturer SKU RCK52358
Manufacturer UPC 806990143273
Alternative References QA1-RCK52358, RCK52358

Coilover Kit, Pro Coilover System, Rear, Double Adjustable, 200 lbs./in. Spring Rate, Chevy, 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 NumberRCK52358
Part TypeCoilover Kits
Product LineQA1 Rear Pro Coilover Conversion Systems
UPC806990143273
Coilover Kit PositionRear
Adjustable ValvingYes
Number of Valving Selections324
Shocks IncludedYes
Internal DesignTwin-tube
Coilover Springs IncludedYes
Spring Rate (lbs./in.)200 lbs./in.
Suspension Height Adjustment0.0-1.5 in. lowered
Gas ChargedNo
Extended Length (in.)19.50
Collapsed Length (in.)13.00
Upper MountEyelet
Lower MountEyelet
Body Diameter (in.)2.000
Shock Body MaterialAluminum
Shock Body FinishSilver
Bushing MaterialSpherical bearing
Bushing ColorNatural
Spring FinishGray/Silver
Crossmember IncludedNo
Adjustable Mounting Bracket IncludedNo
Hardware IncludedYes
Welding RequiredNo
QuantitySold as a kit.
NotesDouble adjustable coilovers. Includes 2 springs and 2 coilover shocks with necessary hardware.

Manufacturer Attributes
Title QA1 Shock Absorber and Coil Spring Assembly RCK52358
Brand QA1
Manufacturer Part Number RCK52358
UPC 806990143273
Manufacturer Designation Kit, Rear Pro-Coil D-Adj GM 64-72 A/G-Body, 14-200
Product Class Suspension Shock Absorber and Coil Spring Assembly
Construction/Type Rear Pro Coil shock for 64-72 GM A and G-bodies. Double adjustable and includes all mounting hardware, brackets, two shocks and springs with a spring rate of 200.
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 1963-1965 Buick Rivieras. 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 ride height adjustability. With our highly popular adjustable struts and the addition of the rear coil-over shocks, you can now get a complete suspension makeover for both ends of the vehicle. These lightweight billet aluminum coil-over shocks are made in the USA and offer easy, bolt-in installation and ride height adjustability. They are 100% dyno tested and serialized and serviceable and rebuildable by QA1 authorized service centers. Used in drag racing, street performance, autocross, road racing and street rod applications.

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