ICON 2020+ GM HD 0-2in RR Shock System w/Billet UCA

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.

Additional Information

ICON suspension systems lift your GM 2500/3500 HD while improving ride quality and performance. With endless hours spent testing and tuning our suspension components and shocks, you’ll have the best suspension solution on the market.

Part Type

Suspension Control Arm Kit

This item is available as a full kit.
Select a kit option in the following table if you are looking for this item in a bundle form with all associated components.

Kit option/s:

Thumb	SKU	Kit Title
	icoK78352	ICON Vehicle Dynamics Suspension Leveling & Lift Kits K78352 Suspnesion Kit, 20-UP GM 2500HD/3500 0-2" Stage 2

• 100% Rebuildable
• 100% Revalveable
• 7/8" diameter induction hardened, chrome plated shock shaft
• Additional camber and caster adjustability allows for precise wheel alignment
• All ICON 2.5 Series Piggyback and Remote Reservoir shocks can be upgraded to ICON's Compression Damping Control Valve (CDCV)
• Built in o-ring sealed dust cover cap
• CNC machined 6061 billet aluminum construction for light weight and exceptional strength
• Features ICON's Patented Delta Joint (U.S. Patent No. 10,731,700)
• ICON's internal "Bump Zone" increases damping by 20% to provide more control as the shock approaches full compression
• Nitrogen charged monotube design with remote reservoir
• One-piece digressive piston design with vehicle specific valving for unsurpassed performance and ride quality on and off-road
• One-piece impact extruded aluminum cylinders offer excellent corrosion resistance and consistent finish
• Premium grade 5WT shock oil for consistent suspension damping along a wide temperature range
• PTFE Lined 7/8” FK Rod Ends for improved response
• Remote reservoir design improves heat dissipation to reduce shock fade during prolonged use
• Vehicle specific taper pin provides OE-like fitment

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Product Details

Product Downloads

#	Document Type	Download
1.	Installation Instructions

Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.

Reference Information

Suspnesion Lift Kit, 20-UP GM HD, Front, 0-2" RR Shock System w/ Billet UCA