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ICON 71707CP: Aluminum-Body Front Shocks with CDCV for Your GM HD
The ICON 71707CP pairs two Vehicle Specific (V.S.) 2.5 Aluminum Series remote-reservoir front shocks with ICON's Compression Damping Control Valves (CDCV) for 2011-2026 GM 2500/3500 HD trucks running 0-3.5in of lift. Each shock is length- and damping-tuned specifically for this application, with a lightweight aluminum body and remote reservoir featuring a 6061 billet aluminum manifold "Bump Zone" that adds up to 20% more damping force to control the suspension at high-velocity compression.
Key Features
- Vehicle-specific length and damping tune for 2011-2026 GM 2500/3500 HD, 0-3.5in lift, front
- Lightweight V.S. 2.5 Aluminum Series shock body construction
- Remote reservoir design with 6061 billet aluminum manifold "Bump Zone" for up to 20% additional damping force
- Includes ICON's Compression Damping Control Valves (CDCV) for on-the-fly compression tuning
- 100% rebuildable and 100% revalveable
- Sold as a pair (2 shocks)
Vehicle Fitment
| Year Range | Make | Model | Trim |
|---|---|---|---|
| 2011-2026 | Chevrolet | Silverado 2500 HD/3500 HD | 0-3.5in Lift, Front |
| 2011-2026 | GMC | Sierra 2500 HD/3500 HD | 0-3.5in Lift, Front |
Specifications
| Detail | Value |
|---|---|
| ICON Part Number | 71707CP |
| Series | V.S. 2.5 Aluminum Remote Reservoir with CDCV |
| Position | Front |
| Lift Range | 0-3.5in |
| Quantity | Pair (2 shocks) |
| Rebuildable | Yes, 100% rebuildable and revalveable |
| UPC | Not published by manufacturer |
What's Included
- 2x ICON V.S. 2.5 Aluminum Remote Reservoir Front Shocks with CDCV
- Mounting hardware
About ICON
ICON Vehicle Dynamics designs suspension systems engineered for both off-road capability and on-road comfort. Its V.S. 2.5 Aluminum Series shocks pair a lighter shock body with CDCV compression tuning, giving GM HD owners a bolt-on upgrade for lifted applications.
Frequently Asked Questions
What is the ICON 71707CP?
The ICON 71707CP is a pair of Vehicle Specific 2.5 Aluminum Series remote-reservoir front shocks with Compression Damping Control Valves, built for 2011-2026 GM 2500/3500 HD trucks with 0-3.5in of lift.
What does CDCV do?
ICON's Compression Damping Control Valve lets you adjust compression damping to dial in ride quality for street driving, slow rock crawling, or high-speed off-road use.
Are these shocks rebuildable?
Yes. All ICON shocks, including the 71707CP, are 100% rebuildable and 100% revalveable.
How many shocks come in this listing?
This listing includes a pair — two front shocks — for one vehicle.
Do I need new upper control arms to install these?
Depending on your target lift height, ICON offers billet or tubular upper control arm kits as companion parts. Check ICON's suspension system packages for your specific lift height.
What lift height are these shocks designed for?
These front shocks are tuned for 0-3.5in of lift on 2011-2026 GM 2500/3500 HD trucks.
Will these fit both Chevrolet and GMC HD trucks?
Yes. They fit 2011-2026 Chevrolet Silverado 2500/3500 HD and GMC Sierra 2500/3500 HD trucks.
Does ICON offer a warranty on these shocks?
Contact ICON Vehicle Dynamics or your authorized dealer for current warranty terms on V.S. 2.5 Aluminum Series shocks.
Install Instructions
- Support the vehicle on jack stands and remove the front wheels
- Remove the factory front shocks from their upper and lower mounting points
- Install the ICON 71707CP shocks, securing upper and lower mounts with provided hardware
- Torque all mounting hardware to ICON's specified values
- Adjust the CDCV valve to your preferred compression damping setting
- Reinstall wheels, perform a wheel alignment, and test drive, rechecking torque after initial break-in
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