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Qa1

QA1 GM Pro Front Coil-Over Shock Absorber - Double Adj. - Stock Mount - 8.625in/12.875in - Aluminum

SKU: QAPGD401

Coilover Shocks and Struts

QAP Coil Shocks - Pro Coil...

Qa1

QA1 GM Pro Front Coil-Over Shock Absorber - Double Adj. - Stock Mount - 8.625in/12.875in - Aluminum

SKU: QAPGD401

Coilover Shocks and Struts

QAP Coil Shocks - Pro Coil...

A$814.19
Available from MFR. In stock at 2 locations (more than 10 available)

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Description

Shock - Ultra Ride - Twintube - 11.63 in Compressed / 17.00 in Extended - 2.00 in OD - Double Adjustable - Threaded Aluminum - Natural - Each

QA1 GM Pro Front Coil-Over Shock Absorber - Double Adj. - Stock Mount - 8.625in/12.875in - Aluminum

Additional Information

Front Pro Coil double adjustable stock mount shock. Coil-over shock only. Compressed length of 10.13" and extended length of 14". No spring included.

Part Type

Coilover

Product Overview

The QA1 GM Coil-Over Shock is a great option for anyone looking for fully adjustable ride height and valving control. Choose a from double, single, Drag "R" Series or non-adjustable valving to fit your driving style and you are on your way. Adjustable Coil-Over Shock Features: Available in independent compression and rebound double adjustable, simultaneous compression and rebound adjustable, or drag "R" Series adjustable, Lightweight Billet Aluminum Coil-Over Shocks, Made in the USA, Easy, Bolt-In Installation, Ride Height Adjustable, 100% Dyno Tested and Serialized, Serviceable and Rebuildable by QA1 Authorized Service Centers, Made in the USA, Non-Adjustable Coil-Over Shock Features: Steel, Stock Appearing Shocks, Easy, Bolt-In Installation, Coil-Over, Ride Height Adjustable,

Data: v4.2 - Upd: 2026-11-09 19:43:56

Features

  • Achieve the ultimate balance of ride quality and performance handling with independent tuning of rebound and compression valving.
  • Easy bolt-in installation that works with your factory or upgraded QA1 tubular control arms.
  • Limited Lifetime Warranty for peace of mind.
  • Proudly made in the USA
  • Up to 2 of ride height adjustment allows you to dial in the perfect stance.

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

Brand:QA1
Description:QA1 GM Pro Front Coil-Over Shock Absorber - Double Adj. - Stock Mount - 8.625in/12.875in - Aluminum
Manufacturer Part Number:GD401
Part Number:qapGD401
Title:QA1 Shock Absorber and Coil Spring Assembly GD401
UPC:806990057372

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 09:17:31

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s Qa1
StreetFX SKU qapGD401
SFX Item ID 4093470
Accounting SKU qap-GD401
Manufacturer SKU GD401
Manufacturer UPC 806990057372
Alternative References GD401, QA1-GD401, QA1GD401

Coilover Shocks and Struts, Pro Coil, Double-adjustable, Twin-tube, Stud Upper/Tie Bar Lower, 12.880 in. Extended Length, Front, Chevy, Pontiac, Each

QA1 Pro Coil shocks and struts are designed to change over your OEM suspension to an adjustable coilover design. They include two high performance shocks or struts and all necessary mounting hardware. QA1 Pro Coil shocks and struts are available for street use in single or double-adjustable styles and also come in a full drag race version built only for the race track.

Product Attributes
BrandQA1
Manufacturer's Part NumberGD401
Part TypeCoilover Shocks and Struts
Product LineQA1 Pro Coil Shocks and Struts
UPC806990057372
Coilover Shock TypeDouble-adjustable
Shock Body MaterialAluminum
Shock Body FinishSilver
Adjustable ValvingYes
Number of Valving Selections324
Extended Length (in.)12.88
Collapsed Length (in.)8.63
Upper MountStud
Lower MountTie bar
Internal DesignTwin-tube
Gas ChargedNo
Body Diameter (in.)2.000
Bushing MaterialPolyurethane
Bushing ColorBlack
Coilover Springs IncludedNo
Recommended Spring Diameter (in.)2.50 in.
Recommended Minimum Spring Length (in.)10.00 in.
Recommended Maximum Spring Length (in.)10.00 in.
Adjustable Mounting Bracket IncludedNo
Hardware IncludedYes
QuantitySold individually.

Manufacturer Attributes
Title QA1 Shock Absorber and Coil Spring Assembly GD401
Brand QA1
Manufacturer Part Number GD401
UPC 806990057372
Manufacturer Designation Shock GM C-O D-Adj 10.13 -14 Stud/T-Bar
Product Class Suspension Shock Absorber and Coil Spring Assembly
Construction/Type Front Pro Coil double adjustable stock mount shock. Coil-over shock only. Compressed length of 10.13" and extended length of 14". No spring included.
Product Outline Up to 2 of ride height adjustment allows you to dial in the perfect stance.
Achieve the ultimate balance of ride quality and performance handling with independent tuning of rebound and compression valving.
Easy bolt-in installation that works with your factory or upgraded QA1 tubular control arms.
Limited Lifetime Warranty for peace of mind.
Proudly made in the USA
Vehicle Brief QA1 Pro Coil Shock
Market Description The QA1 GM Coil-Over Shock is a great option for anyone looking for fully adjustable ride height and valving control. Choose a from double, single, Drag "R" Series or non-adjustable valving to fit your driving style and you are on your way. Adjustable Coil-Over Shock Features: Available in independent compression and rebound double adjustable, simultaneous compression and rebound adjustable, or drag "R" Series adjustable, Lightweight Billet Aluminum Coil-Over Shocks, Made in the USA, Easy, Bolt-In Installation, Ride Height Adjustable, 100% Dyno Tested and Serialized, Serviceable and Rebuildable by QA1 Authorized Service Centers, Made in the USA, Non-Adjustable Coil-Over Shock Features: Steel, Stock Appearing Shocks, Easy, Bolt-In Installation, Coil-Over, Ride Height Adjustable,

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