WULF 3" Front Adjustable Mini Leaf Spring Packs Leveling Lift Kit with U-bolts Comes with 3" Adjustable Lift Powder Coated Mini Leaf Spring Packs - Most vehicles see max of 3.25" of lift, (4) U-bolts, Pan-Arm Bar Drop / Track Bar Spacers, Hardware Included FOR: 1999-2004 Ford F250 F350 Super Duty 4X4 4WD NOTE: 4X4 4WD models only - Front Leaf Spring models only - Excludes early 1999 January and February models.