The ICON Vehicle Dynamics K78364L Stage 4 Suspension System is a complete suspension upgrade for the 2020-2026 Chevy Silverado, GMC Sierra 2500, 3500 HD, providing 2-3.5 in. of lift. It replaces the factory shocks and related components with ICON's vehicle-specific parts, adding ride height while improving wheel travel, damping control and ride quality on and off the pavement.

ICON Vehicle Dynamics K78364L Kit Highlights:

• Adjustable for 2-3.5 in. of front lift height over stock.
• Vehicle specific tuned 2.5 Aluminum Series remote reservoir front and piggyback reservoir rear shocks for superior shock damping and control.
• All shock absorbers equipped with CDC Valves for 10 settings of compression damping adjustment, from soft to hard.
• Improved ride quality and suspension performance over stock.
• Billet aluminum Delta Joint Pro HD UCAs allow for additional caster/camber adjustment.
• Forged steel torsion keys.
• Front wheel travel increase of approximately 3 in. over stock.
• Rear leaf springs lower spring rate and increase distance to overload engagement compared to stock to greatly improve rear ride quality.
• Leaf springs maintain stock rear ride height for a level stance with the front.
• 6061 Aircraft grade aluminum CNC machined components.
• Corrosion resistant hard anodized aluminum shock bodies.
• 100% Bolt-on system - no drilling, cutting, or welding necessary for install.

ICON Vehicle Dynamics K78364L Compatibility Notes:

• OEM Wheels & Tires Fitment: Yes.
• Recommended Aftermarket Wheels: ICON Alloys - 18x9 in. w/5.5 in. Backspacing / 12mm Offset.
• Recommended Aftermarket Wheels: ICON Alloys - 20x9 in. w/5.5 in. Backspacing / 12mm Offset.
• Recommended Aftermarket Tires: 35 in. x 12.50 in. (Larger tires may fit but fender trimming and modifications will be required.).
• Will not fit Cab & Chassis models.
• Chevy Silverado 2500 ZR2 and GMC Sierra 2500 AT4X will have front lift height range of .5-2 in. over stock.
• Helper air bags are recommended for hauling/towing heavy loads.
• These systems are to be used with aftermarket upper control arms only.
• Shocks Are Fully Serviceable. Lift Heights Indicated Are For A Stock Equipped Vehicle.
• Fits single rear wheel models only.

ICON Vehicle Dynamics K78364L Kit Contents:

• 11-26 GM 2500/3500 HD 0-3.5 in. FRONT VS 2.5 RR CDCV PAIR (71707CP)
• 20-26 GM 2500/3500 HD BILLET UCA DJ PRO HD KIT (78586DJ)
• 01-26 GM 2500/3500 HD 0-1 in./07-18 GM 1500 4 in. REAR VS 2.5 PB CDCV PAIR (77701CP)
• 20-26 GM 2500/3500 HD TORSION KEY KIT (73033)
• 2011-2026 GM 2500 HD/3500 HD SRW REAR LEAF PACK (178527)