Rough Country - 488.20-8-inch Suspension Lift System w/Premium N3 Shocks for Ford: 99-04 F250 Super Duty 4WD, 99-04 F350 Super Duty 4WD FEATURES: 100% simple bolt-on installation; Front and rear lifted leaf springs NOTES: Fits Diesel and V10 Gasoline engine models only; Fits 1999 models manufactured on or after 3/1/1999 only; Due to this kit's weight, it must be shipped to a business address with freight truck unloading ability KIT CONTENTS: Front: 8-inch lifted leaf springs, track bar bracket, extreme duty track bar, extended sway bar links, pitman arm, extended steering coupler, stainless steel brake lines, and u-bolts; Rear: 8-inch lifted leaf springs, u-bolts, stainless steel brake line, and carrier bearing drop bracket; Shocks: (4) Premium N3 Shocks SPECS: Installation Time: 6-8 hours; Recommended Tire Size: 37-by-13.50; Weight: 535.48-lbs; Superseded: 488S FITMENT: Ford: 99-04 F250 Super Duty 4WD, 99-04 F350 Super Duty 4WD