ICON 1999 - 2004 Ford Super Duty F250 / F350 4" Spring System (34500-99) View larger

ICON 1999 - 2004 Ford Super Duty F250 / F350 4" Spring System (34500-99)


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1999 - 2004 Ford Super Duty F250 / F350 4" Spring System

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ICON's 4" system provides great off-road performance, using the same technology that used on off-road race trucks, and allows clearance for 35" tall tires. We start with ICON Series Progressive Rate Leaf Springs that have a lifetime guarantee against sagging. Next, we add thier box kit which helps retain factory steering geometry. To get the best ride quality and performance, adding the ICON Series Mono-tube shocks is ideal. All of the components in the system is backed by the ICON Life-time Warranty.

Technical Specs:

  • 50%increase in wheel travel
  • Less body-roll than stock truck
  • 3.5 ”more travel from ride height to front bump stops
  • State-of-the-art progressive rate leaf springs
  • Lifetime guarantee that springs won’t sag
  • Clears 35" Tall Tires
  • No change in towing capacity
  • No drive shaft modifications needed
  • 100%Bolt-on system - no drilling,cutting or welding necessary for install
  • Made in the USA

System Contains:

  • 3-4500 - 4" Front Springs with U-bolts
  • 19-4275 - 4" Cast Lift Blocks w/ Built in Bump Stop
  • 3-1020 - Box Kit w/ Pitman Arm, Track Bar Bracket & Sway Bar Links
  • 3-31 - 1" Bump Stop Spacers
  • 3-7003 - Rear U-bolt Kit