The 2014 Lincoln MKS has double overhead cam (DOHC).
The 2011 Lincoln MKS has double overhead cam (DOHC).
The 2013 Lincoln MKS has double overhead cam (DOHC).
The 2012 Lincoln MKS has double overhead cam (DOHC).
The 2010 Lincoln MKS has double overhead cam (DOHC).
The 2009 Lincoln Navigator has single overhead cam (SOHC).
The 2009 Lincoln MKX has double overhead cam (DOHC).
The 2010 Lincoln MKT has double overhead cam (DOHC).
The 2005 Lincoln Navigator has single overhead cam (SOHC).
The 2014 Lincoln MKX has double overhead cam (DOHC).
The 2010 Lincoln Navigator has single overhead cam (SOHC).
The 2001 Lincoln Navigator has double overhead cam (DOHC).