OTC (6681 Cam Tool Set - Ford 4.6L/5.4L/6.8L 3V Engine Ford 4.6L 3V V8 engines used in 2005-2010 Mustang, 2006-2010 Explorer, 2009 F-Series trucks Ford 5.4L 3V V8 engines used in 2004-2012 F-Series, 2005-2010 Expedition, 2005-2012 Lincoln Navigator Ford 6.8L 3V V10 engines used in 2005-2012 F-Series 250-350-450 Tool set covers 1 cylinder head application