Tuff Country P/N 97064 block kit includes lift blocks and u-bolts designed to raise the rear of your Ford Truck. Installation is done by inserting the cast lift blocks between the factory rear leaf springs and axle. Extended zinc plated rear u-bolts designed specifically for the Ford Truck are used to replace the factory u-bolts.
Details:

• Rear Block and U-Bolt Kit
• Lift size varies depending on factory block size
• Maintains a factory ride
• Custom made for the application
• Lift blocks are constructed of heavy duty cast iron
• Blocks are non-tapered
• Zinc plated corrosion resistant extended u-bolts
• Simple Bolt-on Installation
• Made In The USA
• Sold As A Kit

Fits:

• 1999-2016 Ford F250 4WD (with factory overloads)
• 1999-2016 Ford F350 4WD (with factory overloads)

Installation Notes:

• Designed for rear axles only. Never use lift blocks with a front axle
• Included 5.5 inch lift blocks replace the factory blocks. Amount of actual lift depends on size of factory blocks. Factory block sizes vary on this vehicle. Please check the size of your factory blocks to determine amount of lift. U-bolts are not long enough to stack both blocks or recommended
• On most applications factory length shocks must be replaced with extended length shocks when installing rear blocks 2 inches in height or taller

Tech Specs:

• Amount of Lift: Varies depending on size of factory blocks
• Blocks Tapered: No
• Lift Block Dimensions: 5.5 Inch H x 3 Inch W x 4.75 Inch L
• U-Bolt Dimensions: 5/8 Inch x 3.625 Inch x 17 Inch - Round
• Includes: 2) 5.5 Inch Cast Iron Lift Blocks, 4) Rear Axle U-bolts, 1) Hardware Bag (nuts and washers)