2020-2026 Duramax ICON Front and Rear Lift Kit (ICOK78366L)

Fits

Level up your 2020-2026 GM HD with this complete ICON suspension system. 2-3.5" of lift gets you the clearance for bigger tires without killing your ride quality. Everything in this kit is tuned to work together — springs, shocks, and hardware designed as a complete package.

Part Number: ICOK78366L

• Adjustable for 2-3.5" 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
• ICON's CDE Valve technology allows for in vehicle adjustment of compression damping settings and active adjustment via the ICON Intelligent Control (IIC)
• ICON Intelligent Control (IIC) uses onboard sensors to monitor G-forces and movement of vehicle chassis along with user defined settings to actively make near instantaneous compression damping changes
• 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" 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

• Will not fit Cab & Chassis models
• Chevrolet Silverado 2500 ZR2 and GMC Sierra 2500 AT4X will have front lift height range of .5-2" 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
• Requires recalibration of Advanced Driver Assistance Systems (ADAS) after install
• An iOS operated device is required to run ICON Intelligent Control app
• Included rear shocks are compatible with 0-1.5" of rear lift over stock
• GM 2500 HD models equipped with Max Trailering Package and GM 3500 HD require removal of top overload leaf