The Superlift 1.5-inch block kit for 1999–2010 Ford F-250 and F-350 Super Duty 4WD with 3 5/8-inch axle tube is made for applications that retain a top-mounted overload leaf. It offers a modest rear lift to adjust stance and clearance. The kit includes two cast iron blocks, four U-bolts and all nuts and washers needed for installation, and is covered by a limited lifetime warranty.
Superlift 99-10 Ford F-250 SuperDuty 1.5in Block Kit w/ 3 5/8 AxleTube & Top Mounted Overload Leaf