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4 Inch Rear Block & U-Bolt Kit 99-16 Ford F250/F350 4WD with Factory Overloads Tapered Tuff Country

Manufacturer: Tuff Country
Manufacturer Part Number: 97061
Availability: Ships directly from supplier. Usually ships within 1-2 days, but may take longer.
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Tuff Country P/N 97061 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.

  • 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 tapered to eliminate or reduce driveline vibration
  • Zinc plated corrosion resistant extended u-bolts
  • Simple Bolt-on Installation
  • Made In The USA
  • Sold As A Kit


  • 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 4 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: Yes
  • Lift Block Dimensions: 4 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) 4 Inch Cast Iron Lift Blocks, 4) Rear Axle U-bolts, 1) Hardware Bag (nuts and washers)
Products specifications
Country of OriginUSA
Sold AsKit
Number of Boxes1
U-Bolt Dims0.625 x 3.625 x 17 Inches
Lift Height4.75 Inch
MaterialCast Iron/Steel
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