Icon Vehicle Dynamics 1999 - 2004 Ford Super Duty F250 / F350 6" All Spring System (36100-99)



Icon Vehicle Dynamics 1999 - 2004

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  • Icon Vehicle Dynamics 1999 - 2004


This 6” All Spring System is one the best performing systems we offer for the ‘99-‘04 Super Duty’s. This system not only replaces the front leaf springs on your Super Duty, it also replaces the rear springs as well. These leaf springs are progressively rated to give your truck a smooth ride for the daily drive while giving you the best performance when the truck hits the dirt. Replacing the front and rear springs on these trucks open up a whole new world possibilities in performance and ride quality.

Technical Specs:

  • 50%increase in wheel travel
  • Less body-roll than stock truck
  • Progressive Rate Leaf springs
  • Lifetime guarantee that leaf springs won’t sag
  • Clears 35" Tall Tires & 37" Tall Tires w/ Minor Trimming
  • No drive shaft modifications needed
  • 100% Bolt-on system - no drilling,cutting or welding necessary for install
  • Made in the USA

System Contains:

  • 3-6000 - 6" Front Springs with U-bolts
  • 3-5000 - 5" Rear Leaf Springs
  • 3-1020 - Box Kit w/ Pitman Arm, Track Bar Bracket & Sway Bar Links
  • 3-31 - 1" Bump Stop Spacers
  • 3-7004 - Rear U-bolt Kit

Vehicle Make


Vehicle Model

F250, F350

Vehicle Year

1999, 2000, 2001, 2002, 2003, 2004

Special Fitment Notes


Manufacture Part Number


Part Number


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Installation Difficulty


Installation Instructions

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