The 2008 Acura RDX has double overhead cam (DOHC).
The 2010 Acura RDX has double overhead cam (DOHC).
The 2014 Acura RDX has single overhead cam (SOHC).
The 2007 Acura RDX has double overhead cam (DOHC).
The 2009 Acura RDX has double overhead cam (DOHC).
The 2013 Acura RDX has single overhead cam (SOHC).
The 2011 Acura RDX has double overhead cam (DOHC).
The 2012 Acura MDX has single overhead cam (SOHC).
The 2012 Acura ZDX has single overhead cam (SOHC).
The 2012 Acura TL has single overhead cam (SOHC).
The 2012 Acura TSX has double overhead cam (DOHC).
The 2012 Acura TSX-Sport-Wagon has double overhead cam (DOHC).