QA1

QA1 Ford Mustang II Pro Front Coil-Over System (7/16in Bushing) - Single Adj. - 8in x 500lbs/in - MS303-08500

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SKU:
QAPMS303-08500
UPC:
806990061652
MPN:
MS303-08500
Availability:
Regularly stocked product
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MSRP: $830.82
$817.29
— You save $13.53
Current Stock: 2

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Description

Are these coilovers adjustable?
QA1 Pro Coil-overs offer four distinct valving options, including double adjustable, single adjustable, drag 'R' series adjustable, and non-adjustable configurations.

What is the install process like?
Bolt-on installation simplifies the process, allowing for a straightforward integration of these performance coilovers onto your vehicle.

QA1 Pro Coil-overs deliver ultimate control with double adjustable valving, scoring a 9 for Track/Autocross usage. Featuring lightweight aluminum construction and four spring rate options, these coilovers are engineered for peak performance and a precise, race-inspired stance.

What Owners Say

Owners and enthusiasts consistently praise the QA1 Pro Coil coilovers for dramatically transforming ride quality, with drivers reporting a modern front-end feel that soaks up bumps remarkably well and enables confident handling at higher speeds. The adjustability delivers exactly what users want—the ability to lower their vehicles without sacrificing performance or comfort. While some mention that QA1 receives mixed reviews in the broader community and sits at a higher price point compared to budget alternatives, those who've installed them emphasize the significant improvement over stock suspension. The transformation in both ride quality and handling has earned these coilovers a strong reputation among Mustang and performance enthusiasts.

Key Features

  • double adjustable, single adjustable, drag "R" series adjustable and non-adjustable valving options
  • four spring rate options
  • fully threaded body
  • lightweight aluminum
  • 100% dyno tested and serialized
  • rebuildable and revalveable

Why Choose the QAP Coil-Overs - Pro Coil

Delivers unparalleled control with customizable damping for your ultimate driving experience.

Achieves optimal grip and responsiveness across diverse road conditions with tailored spring rates.

Provides a precise, race-inspired stance and enhanced cornering stability with a fully threaded body.

Ensures consistent, peak performance and longevity through meticulous dyno testing and rebuildable design.

Who Is This For?

Track / Autocross — 9/10
Double adjustable valving offers ultimate control and responsiveness.

Drag Racing — 9/10
Drag 'R' series adjustable valving option for drag racing.

Street Performance — 8/10
Adjustable valving options provide enhanced street performance control.

Racing Competition — 9/10
Multiple adjustable valving options for competitive racing.

Easy DIY Install — 7/10
Bolt-on install type simplifies installation process.

Frequently Asked Questions

Will the QA1 QAP Coil-Overs - Pro Coil fit my vehicle?

Confirming specific vehicle fitment ensures a perfect integration of the QA1 QAP Coil-Overs - Pro Coil. Direct bolt-on installation is designed to match your vehicle's original mounting points for confident setup. Verification of your vehicle's application is essential for guaranteed compatibility.

How difficult is the QA1 QAP Coil-Overs - Pro Coil installation?

Installation of the QA1 QAP Coil-Overs - Pro Coil is simplified with its bolt-on install type. This design facilitates a straightforward process for many enthusiasts seeking enhanced performance. Expect a direct replacement experience for a seamless upgrade.

What performance improvement does the QAP Coil-Overs - Pro Coil provide over stock?

Unparalleled control and responsiveness are delivered by the QA1 QAP Coil-Overs - Pro Coil, achieving a score of 9 for Track / Autocross usage. Customizable damping options elevate your driving experience significantly beyond stock capabilities. Experience a new level of performance and connection to the road.

Is the QA1 QAP Coil-Overs - Pro Coil worth upgrading from OEM?

Upgrading to the QA1 QAP Coil-Overs - Pro Coil offers significant performance gains and customizable damping. Its fully threaded body and lightweight aluminum construction provide enhanced cornering stability and a precise, race-inspired stance. This upgrade delivers tangible improvements for performance driving.

What valving options are available for the QA1 QAP Coil-Overs - Pro Coil?

A range of valving options, including double adjustable, single adjustable, drag "R" series adjustable, and non-adjustable, are available for the QA1 QAP Coil-Overs - Pro Coil. This selection allows for precise tuning tailored to your specific performance needs. Achieve ultimate control and responsiveness with your chosen configuration.

Vehicle Compatibility

YearMakeModelSubmodel
1974FordMustang II2+2
1974–1978FordMustang IIBase
1974–1978FordMustang IIGhia
1974–1978FordMustang IIMach 1

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
1974FordMustang II2+2
1974-1978FordMustang IIBase
1974-1978FordMustang IIGhia
1974-1978FordMustang IIMach 1
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Additional Information

Case Lot Quantity:
1
Category:
Suspension>Coilovers
Clearance Item:
N
MPN:
MS303-08500
Proposition 65:
Y
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