Tuff Country # 97035 block kit include lift blocks and ubolts designed to raise the rear of your GMC Suburban. 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 Suburban are use to replace the factory ubolts.
Installation Note
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.
Features
Lifts the rear of your vehicle 3"
Maintains a factory ride
Custom made for the GMC Suburban
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
Specification
Amount of Lift: 3" Rear Lift

Blocks Tapered (YES/NO): Yes

Lift Block Dimensions: 3" (H) x 2 1/2" (W) x 4 3/4" (L)

Ubolt Dimensions: 9/16" x 2 3/4" x 12 5/8" - Square