Application: (Please check your vehicle compatibility before buying) The thickness of front spacer is About 1.34 inch/ 34 mm, but it can lift front 2 inch The Rear Block is 3 inch thickness 2004-2008 4WD has 2" stock block, it will provide 1" additional lift. 2009-2020 4WD has 1.5" stock block, it will provide additional 1.5" lift. 2004-2020 2WD has NO stock block, it will provide additional 3" lift. Description: .