The 2010 Lincoln Navigator has single overhead cam (SOHC).
The 2001 Lincoln Navigator has double overhead cam (DOHC).
The 2014 Lincoln Navigator has single overhead cam (SOHC).
The 2011 Lincoln Navigator has single overhead cam (SOHC).
The 2007 Lincoln Navigator has single overhead cam (SOHC).
The 2012 Lincoln Navigator has single overhead cam (SOHC).
The 2006 Lincoln Navigator has single overhead cam (SOHC).
The 2003 Lincoln Navigator has double overhead cam (DOHC).
The 2008 Lincoln Navigator has single overhead cam (SOHC).
The 2004 Lincoln Navigator has double overhead cam (DOHC).
The 2005 Lincoln Navigator has single overhead cam (SOHC).
The 2002 Lincoln Navigator has double overhead cam (DOHC).