The 2006 Subaru Outback has 16 valves.
The 2013 Subaru Outback has 16 valves.
The 2002 Subaru Outback has 16 valves.
The 2001 Subaru Outback has 16 valves.
The 2011 Subaru Outback has 16 valves.
The 2005 Subaru Outback has 16 valves.
The 2007 Subaru Outback has 16 valves.
The 2004 Subaru Outback has 16 valves.
The 2014 Subaru Outback has 16 valves.
The 2009 Subaru Outback has 16 valves.
The 2003 Subaru Outback has 16 valves.
The 2010 Subaru Outback has 16 valves.