QA1

QA1 67-73 Ford Mustang Pro Front Coil-Over System - Double Adj. - 10in x 400lbs/in - Aluminum - MD402-10400C

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SKU:
QAPMD402-10400C
UPC:
806990158673
MPN:
MD402-10400C
Availability:
Regularly stocked product
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MSRP: $1,196.41
$1,079.95
— You save $116.46
Current Stock: 1

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Description

What is the primary advantage of double adjustable coilovers?
Double adjustable coilovers achieve ultimate control by independently tuning bump and rebound for precise handling characteristics.

What is the maximum drop I can achieve with these coilovers?
Install these QA1 Pro Coil coilovers to achieve a perfectly dialed-in stance, lowering your vehicle up to two inches.

QA1 Pro Coil coilovers deliver ultimate control with independent tuning of bump and rebound, achieving a perfectly dialed-in stance for enthusiasts seeking precise suspension tuning. Featuring 10 inch coil springs and 400 lb per inch rates, these double adjustable coilovers are engineered for aggressive driving and track performance.

What Owners Say

Owners and enthusiasts consistently praise the QA1 Pro Coil system for transforming ride quality, with many reporting it makes classic vehicles feel like they have modern front ends. Drivers highlight how well these coilovers soak up bumps and inspire confidence during aggressive cornering at highway speeds. The suspension does deliver a noticeably stiffer ride than stock setups, requiring some adjustment time to dial in preferences. Some buyers note that QA1 sits at a higher price point than budget alternatives and mention mixed feedback across the enthusiast community. Despite this, the consensus leans heavily positive for those seeking a substantial suspension upgrade that delivers both comfort and performance capability.

Key Features

  • double adjustable coilover kit
  • 10 inch coil springs
  • 400 lb. per inch rate
  • independent rebound and compression controls
  • 18 clicks each
  • ride height adjustability from factory stock height down to 2 inches lower

Why Choose the QAP Coil-Overs - Pro Coil

Achieves ultimate control with independent tuning of bump and rebound.

Delivers a perfectly dialed-in stance, from stock to 2 inches lower.

Transforms handling with precisely matched spring rates for aggressive driving.

Provides a custom ride feel with 18 distinct adjustment points each.

Who Is This For?

Track / Autocross — 9/10
Independent adjustment for precise track tuning.

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

Racing Competition — 9/10
Double adjustable for ultimate control.

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

Visual / Aesthetic Upgrade — 7/10
Ride height adjustability allows stance tuning.

Frequently Asked Questions

Are QA1 coilovers good for track driving?

Achieve ultimate control with QA1 Pro Coil coilovers for track applications. This kit scores a 9/9 for Track/Autocross use, enabling precise tuning of bump and rebound for aggressive driving. Experience peak performance with these double adjustable coilovers specifically engineered for competition.

Can I install these coilovers myself on my 1967-1973 Ford Mustang?

Installing the QA1 Pro Coil coilovers on your 1967-1973 Ford Mustang is a straightforward bolt-on process. With a 7/9 score for Easy DIY Install, the bolt-on installation type simplifies setup for enthusiasts. You can confidently upgrade your suspension with this direct-fit system.

How do QA1 Pro Coil coilovers enhance handling compared to stock suspension?

Transform handling with QA1 Pro Coil coilovers by precisely matching spring rates for aggressive driving, achieving a 9/9 score for Racing Competition. The independent rebound and compression controls allow for ultimate tuning to outperform stock setups. Enjoy a significant upgrade in driving dynamics and control.

What is the typical ride height adjustment range with the QA1 Pro Coil coilovers?

Achieve a perfectly dialed-in stance with a drop of up to two inches. This feature provides a custom ride feel with 18 distinct adjustment points each, scoring a 7/9 for Visual/Aesthetic Upgrade. You can confidently set your desired look and feel for your 1967-1973 Ford Mustang.

How often do QA1 coilovers require maintenance?

These QA1 Pro Coil coilovers are designed for moderate maintenance. The double adjustable nature allows for extended performance without frequent servicing. Enjoy a custom ride feel with 18 distinct adjustment points each, confidently built for enthusiast driving.

Vehicle Compatibility

YearMakeModelSubmodel
1967–1970FordMustangShelby GT-350
1967–1973FordMustangBase
1967–1970FordMustangShelby GT-500
1968FordMustangShelby GT-500KR
1969–1970FordMustangBoss 429
1969–1971FordMustangBoss 302
1970–1973FordMustangGrande
1970–1973FordMustangMach 1
1971–1972FordMustangBoss 351

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
1967-1973FordMustangBase
1969-1971FordMustangBoss 302
1971-1972FordMustangBoss 351
1969-1970FordMustangBoss 429
1970-1973FordMustangGrande
1970-1973FordMustangMach 1
1967-1970FordMustangShelby GT-350
1967-1970FordMustangShelby GT-500
1968FordMustangShelby GT-500KR
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Additional Information

Clearance Item:
N
MPN:
MD402-10400C
Proposition 65:
Y
Case Lot Quantity:
1
Category:
Suspension>Coilovers
Install Type:
Bolt-On
Product Level:
Premium Performance
Track / Autocross:
9/10
Street Performance:
8/10
Racing Competition:
9/10
Easy DIY Install:
7/10
Visual / Aesthetic Upgrade:
7/10
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