Carli Suspension XHD Leaf Spring Kit, 2017-23 Ford F250/F350, +2000 lbs, 1" Lift (CS-FFSP-LVL-17-XHD) Features Fits 2017-23 Ford F250/F350 4×4, diesel, w/ 3.5-4.0" axle tube Requires the 2,000-pound constant load Block-eliminating, full progressive spring pack Includes new U-bolts and rear bump ...