SKU: GD518-10950 | UPC: 806990169518
QA1 Pro Coil Front Coil-Over System – Double Adjustable for 2007-2018 Chevrolet Silverado 1500 / GMC Sierra 1500 4WD
The QA1 GD518-10950 Pro Coil Front Coil-Over System is the ultimate bolt-in suspension upgrade for your 2007-2018 Chevrolet Silverado 1500 or GMC Sierra 1500 4WD. This complete double-adjustable coil-over kit allows 1″-3″ of lowering with stock spindles or up to 3″-5″ with aftermarket drop spindles, giving you the perfect stance while dramatically improving ride quality, handling, and performance. The fully threaded aluminum body shocks offer independent rebound and compression adjustment (18 positions each) so you can fine-tune for daily driving, towing, or spirited cornering.
Key Features
- Double Adjustable Coil-Overs: Independent 18-position rebound and 18-position compression tuning (324 possible combinations)
- Adjustable Ride Height: 1″-3″ drop with stock spindles or 3″-5″ with drop spindles
- Heavy-Duty Design: Upgraded shocks with polyurethane bushings and 1″ chromoly T-bar for truck payload capacity
- Bolt-In Installation: Direct replacement for the factory system no cutting or welding
- Lightweight Aluminum Shocks: Reduces unsprung weight for better ride and handling
- Made in the USA: Proudly engineered and manufactured in Lakeville, Minnesota
Specifications
| Specification | Detail |
|---|---|
| Part Number | GD518-10950 |
| Position | Front |
| Shock Type | Double Adjustable Pro Coil |
| Drop Range | 1″-3″ (stock spindles) / 3″-5″ (drop spindles) |
| Compatibility | 2007-2018 Chevrolet Silverado 1500 / GMC Sierra 1500 4WD |
| Installation | Bolt-On Direct Replacement |
| Country of Origin | United States |
| Warranty | Limited Lifetime (QA1) |
| Shipping Weight | Approx. 45-55 lbs |
What’s Included
- Pair of QA1 Double Adjustable Front Pro Coil Shocks
- Pair of Matched Performance Springs
- All Necessary Mounting Brackets and Hardware
- Detailed Installation Instructions
Product Notes
- Designed specifically for 2007-2018 Silverado 1500 / Sierra 1500 4WD models
- Drop spindles required for maximum 3″-5″ drop (sold separately)
- Professional installation and front alignment recommended
Installation Notes
- Estimated time: 4-6 hours, moderate difficulty
- Bolt-on system using factory mounting points
- Full front alignment required after installation
This Part Fits
| Year | Make | Model | Notes |
|---|---|---|---|
| 2007 to 2018 | Chevrolet | Silverado 1500 | 4WD Models |
| 2007 to 2018 | GMC | Sierra 1500 | 4WD Models |
Why Choose QA1 Pro Coil Front System?
- Full adjustability for perfect ride height and handling balance
- Heavy-duty construction built for truck payload and daily use
- Premium QA1 quality with lifetime warranty confidence
Frequently Asked Questions
- Q: Will this kit fit my 2015 Chevrolet Silverado 1500 4WD?
A: Yes, GD518-10950 is a direct fit for all 2007-2018 Silverado 1500 / Sierra 1500 4WD models. - Q: Do I need drop spindles for maximum drop?
A: Yes, drop spindles are required to achieve the full 3″-5″ drop range. - Q: Is an alignment required?
A: Yes, a full front alignment is required after installation. - Q: What is the warranty?
A: Covered by QA1’s limited lifetime warranty.
Shipping & Handling
- Method: UPS / FedEx Ground (Oversize)
- Availability: In stock ships same or next business day
- Packaging: Secure protective packaging
- Weight: Approx. 45-55 lbs
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