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QA1 99-06 Chevrolet Silverado Pro Front Coil-Over System - Single Adj. - 10in x 750lbs/in - Aluminum QA1 QAPGS517-10750C
QA1 99-06 Chevrolet Silverado Pro Front Coil-Over System - Single Adj. - 10in x 750lbs/in - Aluminum QA1 QAPGS517-10750C
QA1 99-06 Chevrolet Silverado Pro Front Coil-Over System - Single Adj. - 10in x 750lbs/in - Aluminum QA1 QAPGS517-10750C
QA1 99-06 Chevrolet Silverado Pro Front Coil-Over System - Single Adj. - 10in x 750lbs/in - Aluminum QA1 QAPGS517-10750C
QA1 99-06 Chevrolet Silverado Pro Front Coil-Over System - Single Adj. - 10in x 750lbs/in - Aluminum QA1 QAPGS517-10750C
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QA1 99-06 Chevrolet Silverado Pro Front Coil-Over System - Single Adj. - 10in x 750lbs/in - Aluminum

QA1
QAPGS517-10750C
806990159373
Coilovers
1 Units In Stock - Ships Next Business Day
$ 830.83 $ 749.95
$ 749.95

SKU: GS517-10750C | UPC: 806990159373

QA1 99-06 Chevrolet Silverado Pro Front Coil-Over System - Single Adj. - 10in x 750lbs/in - Aluminum

QA1 Pro Front Coil-Over System fits 1999-2006 Chevrolet Silverado 1500 and GMC Sierra 1500 with single adjustable damping and 750 lb/in springs for precise handling control. Aluminum construction cuts weight while the fully threaded body allows ride height adjustments and 10-inch travel springs provide fast response for street track or drag use. This bolt-in kit installs into factory mounts to reduce unsprung mass improve cornering and boost launch traction. MPN GS517-10750C

Key Features

  • Single Adjustable Damping: 24-position compression valving adjusts from comfortable street ride to firm drag racing setup for custom tuning
  • Lightweight Aluminum Body: 2-inch diameter aluminum resists corrosion lasts longer than steel and reduces weight for quicker response
  • High-Travel Springs: 10-inch 750 lb/in USA-made springs with minimal body wraps allow full suspension travel and instant reaction
  • Ride Height Adjustable: Threaded shock bodies enable exact drop rake or stance setup to optimize weight transfer
  • Dyno Tested and Serialized: Matched pair dyno verified with serial numbers for consistent performance rebuildable at QA1 service centers

Product Notes

  • Sold as matched pair for front installation only
  • Designed for drag racing street performance autocross road racing and street rods
  • Pair ships ready to bolt into factory or aftermarket upper lower mounts

Installation Notes

  • Professional installation recommended.
  • Bolt-in direct fit uses existing factory mounting locations
  • Includes necessary hardware verify coilover length with lowered rear suspension

This Part Fits

Year Make Model Submodel
1999-2005 Chevrolet Silverado 1500 Base
2004-2006 Chevrolet Silverado 1500 Hybrid
1999-2006 Chevrolet Silverado 1500 LS
1999-2006 Chevrolet Silverado 1500 LT
2003-2006 Chevrolet Silverado 1500 SS
2002-2006 Chevrolet Silverado 1500 WT
2004-2005 Chevrolet Silverado 1500 Z71 Off-Road
1999-2006 GMC Sierra 1500 SLE
1999-2006 GMC Sierra 1500 SLT
2002-2006 GMC Sierra 1500 WT
2002-2005 GMC Sierra 1500 Base
2001 GMC Sierra 1500 C3
2002-2006 GMC Sierra 1500 Denali
2002 GMC Sierra 1500 HT
2005-2006 GMC Sierra 1500 Hybrid
1999-2003 GMC Sierra 1500 SL
2006 GMC Sierra 1500 SL

Why Choose QA1?

  • Proven record in NHRA drag racing and circle track racing
  • Precision manufactured in USA with serialized dyno testing on every pair
  • Rebuildable design supported by nationwide authorized repair network

Frequently Asked Questions

  • Q: Will this fit 2WD and 4WD Silverado 1500 models?
    A: Yes direct bolt-in for both 2WD and 4WD 1999-2006 Chevrolet Silverado 1500 and GMC Sierra 1500 per listed submodels
  • Q: What does single adjustable damping cover?
    A: Single adjustable provides 24-position compression damping control to tune ride firmness without separate rebound adjustment
  • Q: What warranty and service options exist?
    A: QA1 provides limited lifetime warranty on shocks rebuildable at authorized centers with factory rebuild kits

Shipping & Handling

  • Method: UPS Ground or Freight for heavy items
  • Availability: In stock - ships same or next business day
  • Packaging: Paired shocks in protective box 29 x 12 x 12 inches
  • Weight: 24.8 lbs

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