The Superlift 5-inch rear block kit for 1999–2010 Ford F-250 and F-350 Super Duty 4WD with 3 5/8-inch axle tube (without top-mounted overload leaf) delivers a 5-inch rear lift for maximum clearance and stance. Included are two cast-iron blocks, four U-bolts and all nuts and washers for installation, plus Superlift’s limited lifetime warranty. It’s suited for owners pursuing a pronounced rear lift on supported Super Duty models.
Superlift 99-10 Ford F-250 SuperDuty 5in Block Kit w/ 3 5/8 AxleTube w/o Top Mounted Overload Leaf