2 Inch Leveling Kit Performance Spring Ford F250 F350 Super Duty ICON 2008 2023 FORD F250 F350 LEAF SPRING EXPANSION PACK Rear Add A Leaf Pair 1999 2016 Ford F250 F350 Super Duty 4WD BDS ICON 2008 2025 Ford F 250 F 350 Super Duty, Rear, Leaf Spring Expansion Carli Suspension CS FTSB LVL 17 F250 F350 2017 2024 Ford 4WD (w 2.5 3. Carli Xxhd Leaf Spring Kits are designed for trucks with constant 3,500 pounds in the bed cab over campers, fully ladened work trucks, hardcore overland builds, etc. These leaf spring packs are Not designed to run unloaded! Features and Benefits: Fits 2017 23 Ford F250 F350 4x4, Diesel, w 3. 5 4. 0 axle tube Requires the 3,500 pound constant load Block eliminating, full progressive spring pack produces 1 inch lift Includes new U bolts and rear bump stop drops Allows use of 37 inch tire Details: Drive: 4WD Lift Height: 1. 0 inch Warranty: Limited Lifetime Warranty Fitment: 2017 2023 Ford F 250 Super Duty (Drive: 4WD) 2017 2023 Ford F 350 Super Duty (Drive: 4WD)