QA1

QA1 GM Pro Front Coil-Over System - Double Adj. - 10in x 450lbs/in - Pigtail - Aluminum - GD501-10450A

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SKU:
QAPGD501-10450A
UPC:
806990062932
MPN:
GD501-10450A
Availability:
Regularly stocked product
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$964.95
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Description

Will these coilovers fit my 2015 Subaru WRX?
Confirm your vehicle's specific fitment using our compatibility tool to ensure a perfect match for your 2015 Subaru WRX coilovers.

How difficult is the installation process for these coilovers?
Experience a simplified upgrade with bolt-in installation for these coilovers, designed for efficient DIY integration.

QA1 Pro Coil-Overs deliver unparalleled handling precision for your vehicle, backed by a top score of 9 for Track/Autocross. Featuring independent compression and rebound double adjustability with lightweight billet aluminum shocks, these coilovers offer track-ready performance and superior responsiveness.

What Owners Say

Owners and enthusiasts consistently praise QA1 Pro Coil coilovers for transforming ride quality, with users reporting a dramatic improvement that makes classic muscle cars feel like modern vehicles. The suspension soaks up bumps exceptionally well while maintaining impressive handling confidence at higher speeds. Several owners note the significant upgrade over stock setups, particularly for street-driven builds. Some buyers mention QA1 sits at a higher price point compared to budget alternatives, and a few report mixed experiences that required customer service intervention—though the company reportedly stands behind their products. Overall, QA1 has established a solid reputation among classic car builders seeking professional-grade suspension performance.

Key Features

  • independent compression and rebound double adjustable
  • Lightweight Billet Aluminum Coil-Over Shocks
  • High Travel Springs
  • Bolt-In Installation
  • Ride Height Adjustable
  • 100% Dyno Tested

Why Choose the QAP Coil-Overs - Pro Coil

Delivers ultimate control with independent compression and rebound tuning for track-ready handling.

Achieves superior responsiveness and reduced unsprung weight for sharper cornering.

Provides a smoother ride and enhanced grip with springs designed for maximum travel.

Transforms your classic with a straightforward bolt-in installation for immediate performance gains.

Who Is This For?

Track / Autocross — 9/10
Independent compression/rebound adjustability for precision handling.

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

Racing Competition — 9/10
Double adjustable shocks offer peak performance tuning.

Easy DIY Install — 8/10
Bolt-in installation simplifies the upgrade process.

Visual / Aesthetic Upgrade — 7/10
Lightweight billet aluminum construction enhances appearance.

Frequently Asked Questions

Which classic GM vehicles are compatible with QA1 Pro Coil-Overs?

QA1 Pro Coil-Overs are engineered for a direct bolt-in installation on select 1955-1967 Buick Gran Sport/Skylark/Special, Chevrolet Bel Air/Chevelle/El Camino, Oldsmobile 442/Cutlass/Vista Cruiser, and Pontiac GTO/LeMans/Tempest models. This precise fitment ensures immediate performance enhancements for your classic GM. Confidence in your suspension upgrade is assured with these application-specific coilovers.

How difficult is the installation process for QA1 Pro Coil-Overs?

Upgrading to QA1 Pro Coil-Overs features a straightforward bolt-in installation process, designed for ease of use by enthusiasts. This simple approach is reflected in its 'Easy DIY Install' score of 8 out of 10. Transform your classic's performance without extensive modification thanks to this user-friendly design.

What kind of handling improvements can I expect from QA1 Pro Coil-Overs?

Achieve unparalleled handling precision with QA1 Pro Coil-Overs, specifically excelling in Track / Autocross use cases with a score of 9. Independent compression and rebound adjustability allow for fine-tuning of your vehicle's response. Experience track-ready handling that elevates your driving performance.

Is upgrading from stock suspension to QA1 Pro Coil-Overs worthwhile for performance?

Upgrading from stock to QA1 Pro Coil-Overs delivers significant performance gains by providing superior responsiveness and reduced unsprung weight for sharper cornering. This technical advantage justifies the upgrade for enthusiasts seeking enhanced handling. Transform your classic's dynamics with a substantial improvement.

What is the maintenance level for QA1 Pro Coil-Overs?

QA1 Pro Coil-Overs are classified with a 'Moderate' maintenance level, ideal for enthusiasts. The robust construction and adjustability contribute to their longevity and performance. Enjoy sustained peak performance tuning with this reliable suspension system.

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.

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Additional Information

Clearance Item:
N
MPN:
GD501-10450A
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:
8/10
Visual / Aesthetic Upgrade:
7/10
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