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ICON 2023 Ford F-250/F-350 Super Duty 4WD Diesel, 2.5″ Lift, Stage 4 Suspension System w/ Radius Arms



ICON 2.5” suspension systems lift your Ford Super Duty 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.

  • ICON engineered dual rate coil springs provide 2.5” of front lift over stock
  • Vehicle specific tuned piggyback reservoir 2.5 Aluminum Series shocks
  • Front and rear shocks equipped with CDC Valves for 10 settings of compression damping adjustment, from soft to hard
  • Fabricated radius arms offer on vehicle caster adjustment, increased strength, and improved tire clearance at steering lock
  • Increased wheel travel and improved ride quality over stock with no change in towing capacity
  • Adjustable track bar ensures proper axle placement and improves handling
  • Less body-roll than stock
  • Lifetime guarantee that springs won’t sag or break
  • No drive shaft modifications required
  • Shocks are fully rebuildable and re-tunable
  • 100% Bolt-on system – no drilling, cutting or welding necessary for install
SKU: FRDK-K62564R Category:


This ICON Vehicle Dynamics 2.5” suspension system is a great way to lift your 4WD 2023 Ford F-250/F-350 Super Duty while drastically improving ride quality and performance. The Stage 4 system is perfect for on-road and off-road use including towing, job site duty and general off-road adventure. Also included in this stage is ICON’s CDC Valve front and rear shocks, for those desiring an easy way to tune the ride externally with 10 settings, from soft to hard. ICON’s Stage 4 System is comprised of dual rate coil springs optimized for trucks equipped with diesel engines, fabricated Radius arms, on-vehicle adjustable front track bar, and ICON 2.5 Aluminum Series CDCV remote reservoir front and CDCV piggyback reservoir rear shocks. This stage sees the inclusion of the ICON Vehicle Dynamics Ford Super Duty Radius Arm System that feature a sealed pivot bushing that minimizes road feedback and ensures a long life and quiet operation. Additionally, their fabricated, fully boxed design ensures strength and utilizes a profile optimized for tire clearance at full steering lock, making a 37” tall tire clear without coming in contact with the radius arm. With the endless hours ICON has spent testing and tuning our suspension components and shocks as a complete package, you can rest assured you have the best suspension solution on the market.

Additional Attributes:

GTIN: 00840103422848
Spring Material: Steel
Bushings Included: Yes
Mounting Hardware Included: Yes
Spring Color: Black
Shocks Included: Yes
Grade Type: Performance
Coils Quantity Front: 2
Add-On Part: 191014 – .25″ COLLAR SPANNER PIN WRENCH
California Proposition 65: WARNING: This product contains chemicals known to the State of California to cause cancer, and birth defects or other reproductive harm.
Front Spring Rate Type: Progressive Dual Rate
Maximum Lift Front: 2.5
OEM Wheels & Tires Fitment: Yes
Recommended Aftermarket Tires: 35″ x 12.50″ (37″ x 12.50″ tires may fit but fender trimming and modifications will be required.)
Recommended Aftermarket Wheels: ICON Alloys – 17×8.5″ w/ 5” Backspace / 6mm Offset

Extended Information:

Emissions : Emissions Compliance Exempt
Life Cycle Status: Available To Order


Quantity of Each: 1.0
Package UOM: EA
Dimension: 40.0000 x 13.0000 x 11.0000 inches
Weight: 223.0000 PG


No Fitment Found

Additional information

Weight 223.0000 lbs
Dimensions 40.0000 × 13.0000 × 11.0000 in


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