Zone Offroad Products Chevy/GMC 2" Flat Lift Blocks (18mm pin). Highest quality fabricated and CNC machined lift blocks insure proper pin placement. Lift blocks are sold in pairs.
For use on 2011+ Chevy/GMC 2500HD/3500 models that require an 18mm pin. Fabricated lift blocks - Made in USA Black powder coated Pre-installed 18mm pin Flat design - not tapered Sold in pairs
