The 2013 Ford Focus has double overhead cam (DOHC).
The 2004 Ford Focus has double overhead cam (DOHC).
The 2009 Ford Focus has double overhead cam (DOHC).
The 2005 Ford Focus has double overhead cam (DOHC).
The 2003 Ford Focus has double overhead cam (DOHC).
The 2007 Ford Focus has double overhead cam (DOHC).
The 2002 Ford Focus has double overhead cam (DOHC).
The 2006 Ford Focus has double overhead cam (DOHC).
The 2014 Ford Focus has double overhead cam (DOHC).
The 2010 Ford Focus has double overhead cam (DOHC).
The 2008 Ford Focus has double overhead cam (DOHC).
The 2001 Ford Focus has double overhead cam (DOHC).