QA1

QA1 GM Pro Front Coil-Over System - Double Adj. - 10in x 400lbs/in - Flat - Aluminum - GD401-10400B

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SKU:
QAPGD401-10400B
UPC:
806990062505
MPN:
GD401-10400B
Availability:
Regularly stocked product
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$964.95
Current Stock: 2

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Description

What is the difference between compression and rebound adjustment on these coilovers?
Independent compression and rebound adjustment on these coilovers allows for unparalleled control, precisely tuning your suspension for any driving condition.

How difficult is it to install QA1 coilovers?
Install these coilovers as a bolt-in upgrade, simplifying the process for a quick and effective suspension transformation on your vehicle.

QA1 Pro Coil Coilovers offer unparalleled control with independent compression and rebound double adjustability, scoring a 9 for Track/Autocross usage. Featuring lightweight billet aluminum coil-over shocks, these coilovers provide ultimate tuning precision for demanding performance applications.

What Owners Say

Owners and enthusiasts consistently praise QA1 coilovers for transforming front-end performance, with the ride quality feeling noticeably modern and capable of soaking up bumps that were previously jarring. Drivers report newfound confidence in handling, even during aggressive maneuvers at higher speeds. The fitment and build quality earn respect across the community, and when ordering issues do arise, QA1's customer service receives high marks for making things right. Some budget-conscious builders note that more affordable alternatives exist, and reviews across the broader market show mixed opinions. Overall, QA1 Pro Coil systems have established a solid reputation among classic car and truck enthusiasts seeking a substantial suspension upgrade.

Key Features

  • independent compression and rebound double adjustable
  • simultaneous compression and rebound adjustable
  • drag R Series adjustable
  • Lightweight Billet Aluminum Coil-Over Shocks
  • High Travel Springs
  • Ride Height Adjustable

Why Choose the QAP Coil-Overs - Pro Coil

Achieves unparalleled control with independent compression and rebound tuning.

Delivers precise handling adjustments for any track or street condition.

Transforms your ride with a lower center of gravity and aggressive stance.

Provides a smoother, more responsive driving experience over any terrain.

Who Is This For?

Track / Autocross — 9/10
Independent double adjustable damping for precise tuning.

Street Performance — 8/10
Adjustable ride height and damping for tailored feel.

Racing Competition — 9/10
High performance tuning for competitive environments.

Drag Racing — 7/10
Adjustable damping can optimize launch characteristics.

Easy DIY Install — 8/10
Bolt-in install type simplifies installation process.

Visual / Aesthetic Upgrade — 6/10
Lightweight billet aluminum construction offers premium look.

Frequently Asked Questions

Which coilovers offer the best control for track driving?

The QAP Coil-Overs - Pro Coil deliver unparalleled control with independent compression and rebound tuning. Achieving a high usage score of 9 for Track/Autocross, these coilovers are engineered for ultimate precision. Experience a transformation in handling confidence for competitive environments.

Can I daily drive my 1970 Chevelle with QAP Coil-Overs - Pro Coil?

Daily driving is achievable with these coilovers, offering adjustable ride height and damping for a tailored feel, scoring 8 for Street Performance. Their bolt-in install type simplifies integration, ensuring a smooth and responsive experience on any street.

Are QA1 Pro Coil coilovers an upgrade over stock suspension for my 1969 GTO?

Upgrading to these coilovers provides a lower center of gravity and aggressive stance, transforming your ride. The lightweight billet aluminum construction offers a premium look and superior performance tuning capabilities compared to OEM components.

What is the installation process for QAP Coil-Overs - Pro Coil?

Installation of the QAP Coil-Overs - Pro Coil is a straightforward bolt-in process. This design scores 8 for Easy DIY Install, making suspension upgrades accessible for many enthusiasts. Achieve a precise fitment with confidence on compatible vehicles.

What makes QAP Coil-Overs - Pro Coil suitable for drag racing?

Adjustable damping on these coilovers can optimize launch characteristics for drag racing. Scoring a 7 for Drag Racing, the Pro Coil's independent compression and rebound adjustability allows fine-tuning for maximum acceleration. This offers a distinct advantage off the line.

Vehicle Compatibility

YearMakeModelSubmodel
1968–1972BuickSkylarkBase
1968–1972BuickSkylarkCustom
1970–1972BuickSkylark350
1968–1969BuickSpecialBase
1968–1970ChevroletChevelleSS 396
1968–1972ChevroletChevelleConcours
1968–1972ChevroletChevelleNomad
1968–1972ChevroletChevelleMalibu
1968ChevroletChevelleNomad Custom
1968ChevroletChevelle300
1968–1969ChevroletChevelle300 Deluxe
1969–1972ChevroletChevelleGreenbrier
1969–1972ChevroletChevelleConcours Estate
1970–1972ChevroletChevelleBase
1971–1972ChevroletChevelleSS
1968–1972ChevroletEl CaminoBase
1968–1972ChevroletEl CaminoCustom
1968–1972ChevroletEl CaminoSS
1971–1972GMCSprintBase
1972GMCSprintCustom
1968–1971Oldsmobile442Base
1968–1972OldsmobileCutlassS
1968–1972OldsmobileCutlassBase
1972OldsmobileCutlassCruiser
1968–1972OldsmobileVista CruiserBase
1968–1972PontiacGTOBase
1970–1971PontiacGTOThe Judge
1968–1972PontiacLeMansBase
1969–1970PontiacLeMansSafari
1970–1972PontiacLeMansSport
1971PontiacLeMansT37
1972PontiacLeMansLuxury
1968–1969PontiacTempestSafari
1968–1970PontiacTempestBase
1968–1969PontiacTempestCustom
1970PontiacTempestGT

Additional Resources

Official QA1 Product Page

Installation Guide (PDF)

Important Notices

⚠️ Proposition 65 Warning: This product can expose you to chemicals including lead and/or other substances known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.

Browse More: Shop All Coilovers — Suspension

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Warranty Information

This Part Fits:

YearMakeModelSubmodel
1970,1972BuickSkylark350
1968-1972BuickSkylarkBase
1968-1972BuickSkylarkCustom
1968-1969BuickSpecialBase
1968ChevroletChevelle300
1968-1969ChevroletChevelle300 Deluxe
1970-1972ChevroletChevelleBase
1968-1972ChevroletChevelleConcours
1969-1972ChevroletChevelleConcours Estate
1969-1972ChevroletChevelleGreenbrier
1968-1972ChevroletChevelleMalibu
1968-1972ChevroletChevelleNomad
1968ChevroletChevelleNomad Custom
1971-1972ChevroletChevelleSS
1968-1970ChevroletChevelleSS 396
1968-1972ChevroletEl CaminoBase
1968-1972ChevroletEl CaminoCustom
1968-1972ChevroletEl CaminoSS
1971-1972GMCSprintBase
1972GMCSprintCustom
1968-1971Oldsmobile442Base
1968-1972OldsmobileCutlassBase
1972OldsmobileCutlassCruiser
1968,1971-1972OldsmobileCutlassS
1968-1972OldsmobileVista CruiserBase
1968-1972PontiacGTOBase
1970-1971PontiacGTOThe Judge
1968-1972PontiacLeMansBase
1972PontiacLeMansLuxury
1969-1970PontiacLeMansSafari
1970-1972PontiacLeMansSport
1971PontiacLeMansT37
1968-1970PontiacTempestBase
1968-1969PontiacTempestCustom
1970PontiacTempestGT
1968-1969PontiacTempestSafari
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Additional Information

Case Lot Quantity:
1
Category:
Suspension>Coilovers
Clearance Item:
N
MPN:
GD401-10400B
Proposition 65:
Y
Install Type:
Bolt-In
Product Level:
Premium Performance
Track / Autocross:
9/10
Street Performance:
8/10
Racing Competition:
9/10
Drag Racing:
7/10
Easy DIY Install:
8/10
Visual / Aesthetic Upgrade:
6/10
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