Tuff Country # 97003 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.
1.On most applications factory length shocks must be replaced with extended length shocks when installing rear blocks 2" in height or taller. Please see our "Shock Absorbers" section for applications.
2. Designed for rear axles only. Never use lift blocks with a front axle
|Amount of Lift||1.5" Rear Lift|
|Blocks Tapered (YES/NO)||NO|
|Lift Block Dimensions||1.5" (H) x 2 1/2" (W) x 4 1/2" (L)|
|Ubolt Dimensions||5/8" x 3" x 11 3/4" - Round|
|Items Included:||2) 1.5" Cast Iron Lift Blocks, 4) Rear Axle Ubolts, 1) Hardware Bag (nuts & washers)|
|Part 97003 fits:||