The 2009 Ford Flex has double overhead cam (DOHC).
The 2012 Ford Flex has double overhead cam (DOHC).
The 2014 Ford Flex has double overhead cam (DOHC).
The 2013 Ford Flex has double overhead cam (DOHC).
The 2010 Ford Flex has double overhead cam (DOHC).
The 2011 Ford Focus has double overhead cam (DOHC).
The 2011 Ford Escape has double overhead cam (DOHC).
The 2011 Ford Fiesta has double overhead cam (DOHC).
The 2011 Ford Edge has double overhead cam (DOHC).
The 2011 Ford Expedition has single overhead cam (SOHC).
The 2011 Ford Fusion has double overhead cam (DOHC).
The 2011 Ford Explorer has double overhead cam (DOHC).