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QA1 GS517-10650C coil-over system full view
Single adjustable damping knob close up
10in high travel 650lbs/in spring detail
Single adjustable damping knob close up
QA1 GS517-10650C coil-over system full view
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QA1 99-06 Chevrolet Silverado Pro Front Coil-Over System - Single Adj. - 10in x 650lbs/in - Aluminum

QA1
QAPGS517-10650C
806990159366
Coilovers
2 Units In Stock - Ships Next Business Day
$ 830.83 $ 749.95
$ 749.95

SKU: GS517-10650C   |   UPC: 806990159366


QA1 GM Pro Front Coil-Over System – Single Adjustable – 10in x 650lbs/in – Aluminum – 1999-2006 Chevrolet Silverado

The QA1 GM Pro front coil-over system with single adjustable valving for 1999-2006 Chevrolet Silverado. Lightweight billet aluminum shocks paired with high travel 650lbs/in springs deliver fully adjustable ride height, precise damping control, superior handling, and race-proven performance the ultimate front suspension upgrade for any Silverado build seeking tunability, comfort, and maximum performance on street, strip, or autocross.

Key Features

  • Single Adjustable Valving – Tune compression for custom ride feel from street comfort to track performance
  • Lightweight Billet Aluminum Shocks – High strength and reduced unsprung weight for improved response
  • High Travel Springs – 10in length with 650lbs/in rate for increased travel and better suspension dynamics
  • Ride Height Adjustable – Fully threaded body allows precise stance and weight balance tuning
  • Easy Bolt-In Installation – Direct fit for 1999-2006 Chevrolet Silverado front suspension
Spec Detail
Part Number GS517-10650C
Brand QA1
Type GM Pro Front Coil-Over System
Adjustability Single Adjustable (Compression)
Spring Rate 650 lbs/in
Spring Length 10 in
Material Billet Aluminum Shocks
Country of Origin United States
Warranty QA1 Limited Lifetime

Whats Included

  • Pair of QA1 Single Adjustable Coil-Over Shocks
  • High Travel 650lbs/in Springs
  • Mounting hardware
  • Installation instructions

Product Notes

  • Designed for 1999-2006 Chevrolet Silverado front suspension
  • 100% dyno tested and serialized for quality assurance
  • Serviceable and rebuildable by QA1 authorized centers

Installation Notes

  • Easy bolt-in installation
  • Estimated time: 4–6 hours
  • Professional installation and alignment highly recommended

This Part Fits

Year Range Make Model Trim / Engine Notes
1999-2006 Chevrolet Silverado 1500 / 2500 / 3500 Front coil-over system

Why Choose QA1 GM Pro Coil-Over Systems?

  • #1 choice for adjustable coil-over performance on classic GM trucks
  • Built & tested in the United States
  • Chosen by Silverado owners and racers for tuning flexibility and durability

Frequently Asked Questions

  • Q: Does this fit my 2005 Chevrolet Silverado 1500?
    A: Yes, designed for 1999-2006 Chevrolet Silverado front suspension.
  • Q: How do I adjust the valving?
    A: Single adjustable compression via external knob for custom tuning.
  • Q: What spring rate is best for street use?
    A: 650lbs/in provides good balance; softer rates available for comfort.

Shipping & Handling

  • Method: Ground UPS or FedEx
  • Availability: In stock – ships same or next business day
  • Packaging: Official QA1 retail box

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