SKU: GD517-10750C | UPC: 806990159335
QA1 99-06 Chevrolet Silverado Pro Front Coil-Over System – Double Adj. – 10in x 750lbs/in – Aluminum
This QA1 GD517-10750C front Pro Coil system delivers double adjustable damping for compression and rebound on 1999-2006 Chevrolet Silverado 1500 and GMC Sierra 1500 trucks. Featuring lightweight aluminum shocks with 10-inch 750 lb/in high-travel springs, compressed length of 9.63 inches and extended length of 14.5 inches, it enables precise ride height tuning and handling balance. Bolt-in design uses stock mounts for drag racing, street performance, autocross, road racing and street rod use.
Key Features
- Ride Height Adjustment: Up to 2 inches of adjustment via fully threaded body to set perfect stance and weight distribution.
- Double Adjustable Valving: Independent compression and rebound tuning for balanced ride quality and performance handling.
- Bolt-In Installation: Direct fit with factory or QA1 tubular control arms, no major modifications needed.
- High-Travel Springs: American-made lightweight springs with fewer coils and smaller wire diameter for faster response and reduced unsprung weight.
- Build Quality: 100% dyno tested, serialized, serviceable and rebuildable with limited lifetime warranty.
Product Notes
- Verify spring rate suits your vehicle weight and setup for optimal performance.
- Pair sold complete. service at QA1 authorized centers for longevity.
- Special order item. confirm stock before purchase.
Installation Notes
- Professional installation recommended.
- Compatible with stock control arms. QA1 tubular arms recommended for maximum performance.
- Uses factory upper and lower shock mounts. no welding required.
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 |
| 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 |
| 1999-2006 | GMC | Sierra 1500 | SLE |
| 2002-2006 | GMC | Sierra 1500 | WT |
Why Choose QA1?
- Founded in 1993, leader in rod ends, spherical bearings and motorsports components.
- Manufactures in 83,000 sq ft facility in Lakeville, MN with dyno-tested products.
- Expands American-made suspension including carbon fiber driveshafts for racing and street.
Frequently Asked Questions
- Q: Does this fit 1999-2006 Silverado and Sierra 1500 2WD and 4WD?
A: Yes, designed for front stock mounts on 1999-2006 Chevrolet Silverado 1500 and GMC Sierra 1500 across listed submodels, 2WD and 4WD. - Q: What materials are used in construction?
A: Lightweight billet aluminum coil-over shocks paired with high-travel tapered flat load-length springs. - Q: What warranty coverage applies?
A: Limited lifetime warranty on shocks. springs covered under standard QA1 policy.
Shipping & Handling
- Method: UPS Ground or FedEx
- Availability: In stock – ships same or next business day
- Packaging: Securely boxed for protection
- Weight: 25.8 lbs
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