4 Inch Cast Iron Lift Blocks 01-10 Chevy Silverado 2500HD/3500HD 4wd/GMC Sierra 2500HD/3500 4WD Pair Tuff Country Steering - Power Steering - Power Steering Pump Reservoir Bracket use with Standard belt alignment

use with Standard belt alignment (Short alignment common on Corvette

we were shocked to find out that they actually hurt performance

Integrated EPDM rubber pads for fairlead surface protection

(1) XL Sport Pair

hardware/o-ring kit (# 300-905)

4 Inch Cast Iron Lift Blocks 01-10 Chevy Silverado 2500HD/3500HD 4wd/GMC Sierra 2500HD/3500 4WD Pair Tuff Country Steering - Power Steering - Power Steering Pump Reservoir Bracket use with Standard belt alignmentTuff Country P N 79059 cast iron lift blocks are designed to lift the rear end of the GM 2500HD 3500 3500HD 4WD vehicles with leaf springs above the rear axle. Details: Rear Lift Blocks Non tapered design 2. 5 inches wide x 4 inches tall Cast iron Designed for rear axle of vehicles only Sold As A Pair Fits: 2001 2010 Chevy Silverado 2500HD 3500HD 4WD 2001 2010 GMC Sierra 2500HD 3500 4WD Installation Note: May not fit all vehicles