4" Rear Block Kit - Ford Super Duty (2-pc Drive Shaft Only) 1999-2010 (part number 66-2294).

ReadyLIFT OEM-style rear block kits are available for model specific applications. These Rear Block Kits include two (2) 4" Rear Blocks, four (4) E-Coated U-Bolts, eight (8) Nuts and Washers and will safely lift the rear of your 1999-2010 Ford Super Duty 2WD/4WD Truck with a two-piece driveshaft. Based on OEM designs and never made out of light weight extrusions our 66-2294 4.0" Ford Super Duty Blocks have Integrated OEM Style Bump Stops.

ReadyLIFT Block Kits will put a slight rake back in your truck for hauling or towing and are designed to work in concert with your ReadyLIFT 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 ReadyLIFT products, these block kits come with our Limited Lifetime Warranty. Includes carrier bearing spacer.

Fitment and Installation Notes

• 1999-2010 Ford F-250 F-350 F450 Super Duty 4" Block Kit. OEM style cast iron construction with bump stop landing pads and new longer u-bolts. For use with trucks with two-piece drive shaft.
• The lift blocks in this kit are not designed to work with aftermarket or factory add-on air spring/load leveling kits that attach to the bump stop tangs. Use of this type of air bag system will void all block warranties and can cause failure of the block bump stop tang.

One pair of OEM style cast iron rear lift blocks with longer u-bolts and hardware.

WARNING: This product can expose you to chemicals including Di(2-ethylhexyl)phthalate (DEHP), which is known to the State of California to cause cancer, and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov/product

SAEJ2492 WARNING: By installing this product, you acknowledge that the suspension of this vehicle has been modified. As a result, this vehicle may handle differently than factory-equipped vehicles. As with any vehicle, extreme care must be used to prevent loss of control or rollover during sharp turns or abrupt maneuvers. Always wear seat belts, and drive safely, recognizing that reduced speeds and specialized driving techniques may be required. Failure to drive this vehicle safely may result in serious injury or death. Do not drive this vehicle unless you are familiar with its unique handling characteristics and are confident of your ability to maintain control under all driving conditions. Some modifications (and combinations of modifications) are not recommended and may not be permitted in your state. Consult your owner's manual, the instructions accompanying this product, and state laws before undertaking these modifications. You are responsible for the legality and safety of the vehicle you modify using these components.