ICON 2019-2026 Chevrolet Silverado 1500/GMC Sierra 1500, 0-2" Lift, Rear, V.S. 2.5 Aluminum Series Shock Absorbers, Piggyback Reservoir w/ CDXS, Pair
Questions about fitment? Live chat or call 866-235-4715
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- Free shippingMost orders $500+
- 30-day returnsSee policy
- Warranty supportWe work with the maker
Questions about fitment?
Talk to a TRU specialist
We’ll help you verify fitment before you buy.
Veteran-owned · Austin, Texas · Mon–Fri 9:30a–11:00a & 1:00p–5:30p CT
Important notes before you order
- APPLICATION NOTE #13: Compatible with 0-2" of rear lift on most models
- APPLICATION NOTE #15: Compatible with 0" of rear lift on Chevrolet Silverado 1500 Trail Boss and GMC Sierra 1500 AT4
- APPLICATION NOTE #327: Not compatible with Silverado 1500 ZR2 or Sierra 1500 AT4X submodels
- APPLICATION NOTE #331: Silverado 1500 and Sierra 1500 submodels equipped with Adaptive Ride Control also require part numbers 71021 and 71022
- APPLICATION NOTE #342: Silverado 1500 and Sierra 1500 submodels equipped with Adaptive Ride Control also require concurrent installation of aftermarket front coilovers
Specifications
| Brand | ICON Vehicle Dynamics |
|---|---|
| Part number | 77703XP |
| UPC / GTIN | 840103437590 |
| Active or Passive Suspension | Passive |
| Adjustable | Yes |
| Adjustable Compression | Yes |
| Adjustable Damping | Yes |
| Adjustable Rebound | No |
| Boot Included | NO |
| Bore Diameter | 2.25 IN |
| Compressed Length | 15.55 IN |
| Cylinder Color | Gray |
| Cylinder Diameter | 2.5 IN |
| Cylinder Material | Aluminum |
| Damping Adjustment Type | Dual Speed/Manual |
| Damping Type | Oil |
| Extended Length | 24.88 IN |
| External Reservoir | Yes |
| Gas Charged | Yes |
| Grade Type | Performance |
| Includes Bump Stop | No |
| Lower Mount Type | Eyelet |
| Mounting Hardware Included | Yes |
| Reservoir Type | Piggyback |
| Shaft Diameter | 0.875 IN |
| Shaft Material | Chrome |
| Shock Absorber Body End Measuring Point | Center of Eylet |
| Shock Absorber Rod End Measuring Point | Center of Eylet |
| Stroke Length Rear | 9.33 IN |
| Tube Outside Diameter | 2.5 IN |
| Upper Mount Type | Eyelet |
| Valving Type | Digressive |
| Country of Origin | US |
California Proposition 65 warning applies to this product. www.P65Warnings.ca.gov
Features
- ICON CDXS equipped for independent adjustability of high speed and low speed compression force for handling response and aggressiveness
- ICON’s internal “Bump Zone” increases damping by 20% to provide more control as the shock approaches full compression
- Remote reservoir design improves heat dissipation to reduce shock fade during prolonged use
- Premium grade 5WT shock oil for consistent suspension damping along a wide temperature range
- Nitrogen charged monotube design with piggyback reservoir
- One piece digressive piston design with vehicle specific valving for unsurpassed performance and ride quality on and off-road
- 7/8” diameter induction hardened, chrome plated shock shaft
- PTFE lined spherical bearings and application specific mounting hardware
- 6061 aircraft grade aluminum CNC machined components
- One-piece, hard anodized, impact extruded aluminum cylinders offer excellent corrosion resistance and consistent finish
- 100% Rebuildable
- 100% Revalveable
Overview
ICON Vehicle Specific (V.S.) 2.5 Series shocks are designed and built to give your vehicle outstanding performance off-road and a smooth ride on the street. These shocks are configured specifically for each application in both length and damping tune. Like all ICON shock absorbers, V.S. 2.5 Series shocks are 100% rebuildable and 100% revalveable. For piggyback and specific remote reservoir applications, ICON’s unique use of a 6061 billet aluminum manifold a few inches below the top cap of the shock creates an internal “Bump Zone” that when used creates an additional 20% of damping force. 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.
Questions
Will this fit my truck?
Select your truck at the top of the page and the fit check will confirm it. If your exact trim is not listed, call 866-235-4715 or live chat and a fitment specialist will check it before you order.
Do you help with installation?
Yes. Our technical team helps you or your shop with installation and troubleshooting after delivery, on top of the manufacturer’s support.
What if the part has a problem?
We work the warranty claim with the manufacturer on your behalf, within the manufacturer’s warranty policy.
Can I return it?
Most items can be returned within 30 days. See our return policy for details.
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About ICON Vehicle Dynamics
The CDXS Compression Damping Dual Speed Adjustability System represents the next evolution in vehicle suspension, delivering unmatched performance and customization for our most popular platforms. With the CDXS system from ICON Vehicle Dynamics, we've taken the low-speed knob found in... Shop all ICON Vehicle Dynamics