Application : 2004-2020 Ford F-150 2WD/4WD Description: The thickness of front spacer is About 42 mm/ 1.65 inch, but it can lift 2.5 inch Rear Block is 2'' thickness -2004-2020 2WD has NO stock block, it will provide additional 2'' lift. -2004-2008 4WD has 2'' stock block, it will provide NO additional lift. -2009-2020 4WD has 1.5'' stock block, it will provide additional 0.5'' lift. .
