Product Information

Tuff Country # 97010 block kit include lift blocks and ubolts designed to raise the rear of your GMC Truck. Installation is done by inserting the cast lift blocks between the factory rear leaf springs and axle. Extended zinc plated rear ubolts designed specifically for the GMC Truck are use to replace the factory ubolts.

Features & Benefits

  • Lifts the rear of your vehicle 4"
  • Maintains a factory ride
  • Custom made for the GMC Truck
  • Lift blocks are constructed of heavy duty cast iron
  • Blocks are tapered to eliminate or reduce driveline vibration
  • Zinc plated corrosion resistant extended ubolts
  • Simple Bolt-on Installation

Tech Specs

Amount of Lift 4" Rear Lift
Blocks Tapered (YES/NO) YES
Lift Block Dimensions 4" (H) x 2 1/2" (W) x 4 3/4" (L)
Ubolt Dimensions 5/8" x 3 1/2" x 12 1/2" - Round
Items Included:
2) 4" Cast Iron Lift Blocks, 4) Rear Axle Ubolts, 1) Hardware Bag (nuts & washers)
Weight:
27 lbs.
SKU #97010 Fits:
  • 1987 GMC Truck 3/4 ton 4x4
  • 1986 GMC Truck 3/4 ton 4x4
  • 1985 GMC Truck 3/4 ton 4x4
  • 1984 GMC Truck 3/4 ton 4x4
  • 1983 GMC Truck 3/4 ton 4x4
  • 1982 GMC Truck 3/4 ton 4x4
  • 1981 GMC Truck 3/4 ton 4x4
  • 1980 GMC Truck 3/4 ton 4x4
  • 1979 GMC Truck 3/4 ton 4x4
  • 1978 GMC Truck 3/4 ton 4x4
  • 1977 GMC Truck 3/4 ton 4x4
  • 1976 GMC Truck 3/4 ton 4x4
  • 1975 GMC Truck 3/4 ton 4x4
  • 1974 GMC Truck 3/4 ton 4x4
  • 1973 GMC Truck 3/4 ton 4x4
  • Review This Product