QA1

QA1 99-06 Chevrolet Silverado Pro Front Coil-Over System - Single Adj. - 10in x 650lbs/in - Aluminum - GS517-10650C

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SKU:
QAPGS517-10650C
UPC:
806990159366
MPN:
GS517-10650C
Availability:
Regularly stocked product
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MSRP: $830.83
$749.95
— You save $80.88
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Description

What is the recommended spring rate for QA1 Pro Coil-Overs?
QA1 Pro Coil-Overs for your 1999-2006 Silverado/Sierra 1500 utilize lightweight high travel springs; consult the technical guide for specific spring rate recommendations.

How do I adjust the ride height on my QA1 Pro Coil-Overs?
Adjust the ride height on your QA1 Pro Coil-Overs by threading the spring perch up or down the fully threaded body to achieve your desired stance.

QA1 Pro Coil-Overs for 1999-2006 Chevrolet Silverado 1500 and GMC Sierra 1500 deliver peak performance, achieving a 9/10 score for track and racing applications. Featuring independent compression and rebound double adjustability and a fully threaded body, these bolt-in coilovers offer ultimate control and a perfect stance for enthusiasts.

Key Features

  • fully adjustable ride height and valving control
  • fully threaded body
  • lightweight high travel springs
  • independent compression and rebound double adjustable
  • simultaneous compression and rebound adjustable
  • drag "R" Series adjustable

Why Choose the QAP Coil-Overs - Pro Coil

Achieve your perfect stance and dialed-in handling for any road or track.

Provides precise control over your truck's ride height for optimal aerodynamics and aesthetics.

Delivers superior grip and responsiveness with springs designed for maximum wheel travel.

Transforms your driving experience with independent control over bump and rebound damping.

Who Is This For?

Track / Autocross — 9/10
Independent double adjustability offers peak performance tuning.

Street Performance — 8/10
Adjustable ride height and valving enhance street handling.

Drag Racing — 7/10
Drag 'R' Series adjustability supports drag racing needs.

Racing Competition — 9/10
Ultimate control with double adjustable valving for competition.

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

Visual / Aesthetic Upgrade — 6/10
Adjustable ride height can alter vehicle stance.

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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Warranty Information

This Part Fits:

YearMakeModelSubmodel
1999-2005ChevroletSilverado 1500Base
2004-2006ChevroletSilverado 1500Hybrid
1999-2006ChevroletSilverado 1500LS
1999-2006ChevroletSilverado 1500LT
2003-2006ChevroletSilverado 1500SS
2002-2006ChevroletSilverado 1500WT
2004-2005ChevroletSilverado 1500Z71 Off-Road
2002-2005GMCSierra 1500Base
2001GMCSierra 1500C3
2002-2006GMCSierra 1500Denali
2002GMCSierra 1500HT
2005-2006GMCSierra 1500Hybrid
1999-2003,2006GMCSierra 1500SL
1999-2006GMCSierra 1500SLE
1999-2006GMCSierra 1500SLT
2002-2006GMCSierra 1500WT
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Additional Information

Case Lot Quantity:
1
Category:
Suspension>Coilovers
Clearance Item:
N
MPN:
GS517-10650C
Proposition 65:
Y
Install Type:
Bolt-In
Product Level:
Mid Range
Track / Autocross:
9/10
Street Performance:
8/10
Drag Racing:
7/10
Racing Competition:
9/10
Easy DIY Install:
8/10
Visual / Aesthetic Upgrade:
6/10
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