2020-2026 Duramax ICON Front and Rear Lift Kit (ICOK78366)

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: ICOK78366

• Adjustable for 2-3.5" of front lift height over stock
• Vehicle specific tuned 2.5 Aluminum Series front and rear shocks for superior shock damping and control
• 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
• 100% Bolt-on system - no drilling, cutting, or welding necessary for install

• 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
• 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

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