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2020-2026 Duramax ICON Front and Rear Lift Kit (ICOK78363L)
Description
Fits
| Year | Make | Model |
| 2020-2026 | Chevrolet | 2500HD |
| 2020-2026 | Chevrolet | 3500HD |
| 2020-2026 | GMC | 2500HD |
| 2020-2026 | GMC | 3500HD |
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: ICOK78363L
Features
- 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
- 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
Important Notes
- 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
Wheel & Tire Recommendations
- ICON Alloys - 18x9" w/ 5.5" Backspace / 12mm Offset
- ICON Alloys - 20x9" w/ 5.5" Backspace / 12mm Offset
- Tires: 35" x 12.50" (Larger tires may fit but fender trimming and modifications will be required.)
$4,033.54
2020-2026 Duramax ICON Front and Rear Lift Kit (ICOK78363L)—
$4,033.54
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Description
Fits
| Year | Make | Model |
| 2020-2026 | Chevrolet | 2500HD |
| 2020-2026 | Chevrolet | 3500HD |
| 2020-2026 | GMC | 2500HD |
| 2020-2026 | GMC | 3500HD |
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: ICOK78363L
Features
- 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
- 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
Important Notes
- 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
Wheel & Tire Recommendations
- ICON Alloys - 18x9" w/ 5.5" Backspace / 12mm Offset
- ICON Alloys - 20x9" w/ 5.5" Backspace / 12mm Offset
- Tires: 35" x 12.50" (Larger tires may fit but fender trimming and modifications will be required.)




















