The 2011 Porsche Boxster has double overhead cam (DOHC).
The 2003 Porsche Boxster has double overhead cam (DOHC).
The 2013 Porsche Boxster has double overhead cam (DOHC).
The 2002 Porsche Boxster has double overhead cam (DOHC).
The 2006 Porsche Boxster has double overhead cam (DOHC).
The 2014 Porsche Boxster has double overhead cam (DOHC).
The 2009 Porsche Boxster has double overhead cam (DOHC).
The 2010 Porsche Boxster has double overhead cam (DOHC).
The 2007 Porsche Boxster has double overhead cam (DOHC).
The 2001 Porsche Boxster has double overhead cam (DOHC).
The 2012 Porsche Boxster has double overhead cam (DOHC).
The 2005 Porsche Boxster has double overhead cam (DOHC).
The 2008 Porsche Boxster has double overhead cam (DOHC).