The original camshaft phasers on Ford's modular 5. 4-liter V8 engine commonly fail from internal leaks. This timing chain kit includes a pair of upgraded Dorman OE FIX camshaft phasers, timing chains, guides, tensioners and sprocket for a complete repair. Vehicle model years this part fits: Ford Expedition: 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014 Ford F-150: 2005, 2006, 2007, 2008, 2009, 2010 Ford F-250 Super Duty: 2005, 2006, 2007, 2008, 2009, 2010 Ford F-350 Super Duty: 2005, 2006, 2007, 2008, 2009, 2010 Ford F-350: 2005, 2006, 2007, 2008, 2009 Ford Lobo: 2005, 2006, 2007, 2008, 2009, 2010 Lincoln Mark LT: 2006, 2007, 2008, 2010 Lincoln Navigator: 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014