ICON CDCV Shock System w/ Billet UCA | 2020-2026 Chevy/GMC 2500HD/3500HD 2WD/4WD | 0-2 in Lift | 78735
$3,249.95
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ICON CDCV Shock System w/ Billet UCA | 2020-2026 Chevy/GMC 2500HD/3500HD 2WD/4WD | 0-2 in Lift | 78735
$3,249.95
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Good to know before you buy
Fits
- 2020-2026 Chevy Silverado 2500HD/3500HD 2WD/4WD
- 2020-2026 GMC Sierra 2500HD/3500HD 2WD/4WD
T14 fitment includes ZR2 trim
T14 fitment includes AT4X trim
From ICON
To ensure compatibility, ICON is no longer offering GM 2500HD/3500HD upper control arms as individual components. Upper control arms can only be purchased in unison with ICON shock absorbers as a complete system. The included ICON Vehicle Specific (V.S.) 2.5 Aluminum 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 of ICON's Shock Absorbers, the 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. Remote reservoirs ensure optimum performance by increasing the duration of consistent damping regardless of situation, keeping the shocks at a cooler operating temperature during heavy use. The ICON CDC Valve is an externally adjustable valve that restricts oil flow into the reservoir which creates 10 levels of compression damping force ranges.
Why this CDCV Shock System w/ Billet UCA
An ICON suspension system is a matched package: ICON tunes every component in the box for the 2020-2026 Chevy/GMC 2500HD/3500HD together, so lift height, spring rate and damping arrive as one calibrated setup instead of parts collected from three brands. Higher Stage numbers add components (upper control arms, rear shocks, leaf or coil springs, adjusters) on the same base system.
At a glance
| Adjuster | CDCV manual compression adjuster |
|---|---|
| Position | Front & Rear |
| Lift | 0-2 in Lift |
| Rebuildable | Yes, ICON factory shock service available |
| Warranty | Lifetime on components, springs and weldments; 12 months against manufacturing defects (shocks and coilovers) |
| Installation | Professional installation required by ICON |
| Availability | Built to order by ICON; lead time confirmed at order |
Before you order
- Alignment required after installation
- ICON requires installation by a professional shop; failures from improper installation are not covered
- Manufacturer part number 78735. Designed and built by ICON Vehicle Dynamics in Riverside, California.
Questions
IR, RR, PB: what is the difference?
IR is an internal reservoir, a self-contained monotube body. RR is a remote reservoir connected by hose and PB is a piggyback reservoir bolted to the body; both add oil volume and cooling so damping stays consistent on long rough sections. IR is lighter and simpler; RR and PB resist fade.
CDCV, CDEV, CDXS: which adjuster?
CDCV is a 10-position manual compression knob. CDEV is an electronic compression valve controlled by the ICON Intelligent Control module and phone app, which reads speed and terrain and adjusts on the fly; it requires the IIC install kit. CDXS is a manual dual-circuit adjuster with 10 marked detents each for compression and rebound. Shocks without a code run ICON's fixed vehicle-specific valving.
Can these be serviced?
Yes. Every ICON shock and coilover is rebuildable and revalveable through ICON factory shock service. The shock warranty is 12 months against manufacturing defects.
What does the Stage number mean?
Stage 1 is the base system for this truck and each higher Stage adds components on top of it: upper control arms, rear shocks or springs, adjusters. The exact contents vary by platform and are listed in ICON's description above.
Do I need an alignment?
Yes. Any change to front ride height requires a four-wheel alignment after installation.
Who installs it?
ICON requires professional installation and does not cover failures caused by improper installation. Plan on a shop with a lift and an alignment rack for anything that changes ride height.
Why is this special order?
ICON builds most systems and shocks to order in Riverside, California. We confirm ICON's current lead time with you before the order is placed and you can cancel before it ships.
ICON shock lines
| Line | Reservoir | Adjuster | Best for |
|---|---|---|---|
| 2.0 Aluminum Series | IR or RR | Fixed VS valving | Stock to moderate lift, daily driving |
| 2.5 Series VS | IR, RR or PB | None, CDCV, CDEV or CDXS | Lifted trucks driven off-road |
| 3.0 Series VS | RR | CDCV, CDEV or CDXS | Heavy trucks and high-speed off-road |
| 3.0 Zeta RXT | Bypass | External bypass tubes | Raptor rear, desert use |
About ICON Vehicle Dynamics
ICON designs and builds its shocks, coilovers, control arms and suspension systems in Riverside, California, with a lifetime warranty on components, springs and weldments and 12 months on shocks. Hannah Suspension ships genuine ICON parts through an authorized distributor with full factory warranty.