WULF 2.8" ADJUSTABLE FRONT 2" REAR LEVELING LIFT KIT WITH MINI LEAF SPRING PACKS AND BLOCKSCOMPATIBLE WITH 1999-2004 FORD F250 F350 SUPER DUTY 4X4KIT INFORMATION:Front:2.8" Adjustable Lift Powder Coated Mini Leaf Spring Packs(4) U-boltsHardware IncludedRear:2" Lift Ductile Cast Steel Angled Blocks(4) U-boltsHardware IncludedNOTE:4X4 4WD models onlyFront Leaf Spring models onlyExcludes early 1999 January and February modelsDuallys with the 4"+ rear axle will need different u-bolts. Please contact us before ordering to get them at no additional chargeFactory overload leaf spring models need different u-bolts. Please contact us before placing an order to get these at no additional chargeWill fit gas or diesel, and V8 or V10 modelsThe WULF Mini Leaf Spring Packs are made from high strength steel with anti-sag composition for added durabilityOur mini leaf spring packs were designed to be an easy install with high grade alignment bolts for stability