ICON Vehicle Dynamics aluminum shock absorber.
These shocks are configured specifically for each application in both length and damping tune. This additional force helps prevent harsh bottom outs and controls the suspension when compressing at high velocity. ICON's exclusive Compression Damping Dual Speed (CDXS) valves are included for precisely dialing in your suspension performance. CDXS controls fluid flow under compression, with independent adjustability of high speed and low speed compression force. 10 discreet detented settings for both low and high-speed adjustment knobs allow separate adjustments for handling response and overall aggressiveness.
Shocks are matched to a ride height range — confirm the lift height on the vehicle before ordering.
Use the vehicle selector to confirm your exact year and configuration.
ICON 2011-2026 Chevrolet Silverado/GMC Sierra 2500/3500 HD, 0-3.5” Lift, Front, V.S. 2.5 Aluminum Series Shock (71707XP)
- ›Material: Aluminum
- ›Position: Front
Vehicle fitment
Verified fitment (manufacturer data)| Years | Make | Model | Trim |
|---|---|---|---|
| 2020–2026 | GMC | Sierra 3500 HD | Denali |
| 2020–2026 | GMC | Sierra 3500 HD | SLE |
| 2020–2026 | GMC | Sierra 3500 HD | SLT |
| 2020–2021 | GMC | Sierra 3500 HD | Base |
| 2022–2026 | GMC | Sierra 3500 HD | Pro |
| 2024–2026 | GMC | Sierra 3500 HD | Denali Ultimate |
| 2011–2019 | Chevrolet | Silverado 2500 HD | |
| 2020–2026 | Chevrolet | Silverado 2500 HD | Custom |
| 2020–2026 | Chevrolet | Silverado 2500 HD | High Country |
| 2020–2026 | Chevrolet | Silverado 2500 HD | LT |
| 2020–2026 | Chevrolet | Silverado 2500 HD | LTZ |
| 2020–2026 | Chevrolet | Silverado 2500 HD | WT |
| 2024–2026 | Chevrolet | Silverado 2500 HD | ZR2 |
| 2017–2018 | Chevrolet | Silverado 3500 | |
| 2011–2019 | Chevrolet | Silverado 3500 HD | |
| 2020–2026 | Chevrolet | Silverado 3500 HD | High Country |
| 2020–2026 | Chevrolet | Silverado 3500 HD | LT |
| 2020–2026 | Chevrolet | Silverado 3500 HD | LTZ |
| 2020–2026 | Chevrolet | Silverado 3500 HD | WT |
| 2020–2025 | Chevrolet | Silverado 3500 HD | Base |
| 2011–2019 | GMC | Sierra 2500 HD | |
| 2020–2026 | GMC | Sierra 2500 HD | AT4 |
| 2020–2026 | GMC | Sierra 2500 HD | Denali |
| 2020–2026 | GMC | Sierra 2500 HD | SLE |
| 2020–2026 | GMC | Sierra 2500 HD | SLT |
| 2020–2021 | GMC | Sierra 2500 HD | Base |
| 2022–2026 | GMC | Sierra 2500 HD | Pro |
| 2024–2026 | GMC | Sierra 2500 HD | Denali Ultimate |
| 2024–2026 | GMC | Sierra 2500 HD | AT4X |
| 2011–2019 | GMC | Sierra 3500 HD | |
| 2020–2026 | GMC | Sierra 3500 HD | AT4 |
Specifications
Manufacturer data for this part — all visible, no tabs to dig through.
| Brand | ICON Vehicle Dynamics |
| Part number | 71707XP |
| Material | Aluminum |
| Position | Front |
| Category | Suspension & Lift |
| Years | Make | Model |
|---|---|---|
| 2020–2026 | GMC | Sierra 3500 HD |
| 2020–2021 | GMC | Sierra 3500 HD |
| 2022–2026 | GMC | Sierra 3500 HD |
| 2024–2026 | GMC | Sierra 3500 HD |
| 2011–2019 | Chevrolet | Silverado 2500 HD |
| 2020–2026 | Chevrolet | Silverado 2500 HD |
| 2024–2026 | Chevrolet | Silverado 2500 HD |
| 2017–2018 | Chevrolet | Silverado 3500 |
| 2011–2019 | Chevrolet | Silverado 3500 HD |
| 2020–2026 | Chevrolet | Silverado 3500 HD |
| 2020–2025 | Chevrolet | Silverado 3500 HD |
| 2011–2019 | GMC | Sierra 2500 HD |
| 2020–2026 | GMC | Sierra 2500 HD |
| 2020–2021 | GMC | Sierra 2500 HD |
| 2022–2026 | GMC | Sierra 2500 HD |
| 2024–2026 | GMC | Sierra 2500 HD |
| 2011–2019 | GMC | Sierra 3500 HD |

Worth adding
Useful in any truck — ships separately in its own box.
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Reviews
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