Ready LIFT OEM style 5" Rear Block Kits are now available for 1999-2010 Ford F250/F350 applications. These Rear Block Kits include (2) 5" Rear Blocks, (4) E-Coated U-Bolts, (8) Nuts and Washers and will safely lift the rear of your 1999-2010 Ford Super Duty, single rear wheel 4wd Truck with a two-piece drive shaft. Based on OEM designs and never made out of light weight extrusions our 5" Ford Super Duty Blocks have Integrated OEM Style Bump Stop Landings and cast in center pins. Ready Lift Block Kits will put a slight rake back in your Truck for hauling or towing and are designed to work in concert with your Ready LIFT Suspension Leveling Kit. In fact, these blocks are the ideal Tow Package upgrade for not only for stock height vehicles, but lifted or leveled trucks too!. Like all Ready LIFT products these block kits come with our Limited Lifetime Warranty. Our largest Super Duty Rear Lift Block, the 66-2295 5.0" rear block was designed to give Super Duty owners the ability to put a slight rake back into their trucks for towing and hauling needs. If you have lifted your Super Duty and have added additional weight to the bed then our 5" OEM-equivalent cast iron blocks are exactly what you need. You will never have to illegally stack blocks again! Works with the camper package trucks too! Note: Fits Single Rear Wheel Trucks ONLY--Not Dual Rear Wheels Features & Benefits: Cast Iron OEM-equivalent Cast in center pins - no dangerous pressed in pins Built in pinion angle degree OEM Bump Stop Landings Tough E-coated finish New U-bolts and hardware The Perfect Solution for Towing and Hauling Adds a Slight Rake for improved weight distribution Installation Time About 1+ Hours New 5.0" Rear Block Kit for 1999-2010 Ford Super Duty Trucks For use with trucks with two-piece drive shaft Includes carrier bearing spacer MODEL NO - 66-2295