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Rear Block & U-Bolt Kit 4 Inch 2.5 Inch Lift 06-18 Chevy Silverado/GMC Sierra 1500 4WD Tuff Country

Manufacturer: Tuff Country
Manufacturer Part Number: 97032
Availability: Ships directly from supplier. Usually ships within 1-2 days, but may take longer.
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Tuff Country P/N 97032 block kit includes lift blocks and u-bolts designed to raise the rear of your GM 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 GM Truck are used to replace the factory u-bolts.

  • Rear Block and U-Bolt Kit
  • Lifts the rear of your vehicle 2.5 Inches (Replaces factory block)
  • 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


  • 1999-2005 Chevrolet Silverado 1500 4WD
  • 1999-2005 GMC Sierra 1500 4WD

Installation Notes:

  • Included 4 inch blocks replace the factory 1.5 inch blocks
  • On most applications factory length shocks must be replaced with extended length shocks when installing rear blocks 2 inches in height or taller
  • Designed for rear axles only. Never use lift blocks with a front axle

Tech Specs:

  • Amount of Lift: 2.5 Inches Rear Lift (Replaces rear blocks)
  • Blocks Tapered: No
  • Lift Block Dimensions: 4 Inch H x 2.25 Inch W x 6.5 Inch L
  • U-Bolt Dimensions: 9/16 Inch x 2.75 Inch x 12.625 Inch - Square
  • 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 Dims0.5625 x 2.75 x 12.625 Inches
Lift Height6.5 Inch
MaterialCast Iron/Steel
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CALIFORNIA WARNING: Cancer and Reproductive Harm -

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