Compatible for 2007new body style & 2007 - 2018 Chevy Silverado1500/ GMC Sierra 1500 Pickups. NOT fit 2007 Classic.
The front kits are thinner than 3", and the rear blocks are thicker than 2". But they will raise the truck by 3" in the front and 2" in the rear.
【Explanation】: The lift height and kit thickness are not 1:1 due to suspension geometry.