The 2009 Honda Odyssey has 24 valves.
The 2006 Honda Odyssey has 24 valves.
The 2013 Honda Odyssey has 24 valves.
The 2005 Honda Odyssey has 24 valves.
The 2003 Honda Odyssey has 24 valves.
The 2002 Honda Odyssey has 24 valves.
The 2012 Honda Odyssey has 24 valves.
The 2010 Honda Odyssey has 24 valves.
The 2014 Honda Odyssey has 24 valves.
The 2007 Honda Odyssey has 24 valves.
The 2001 Honda Odyssey has 24 valves.
The 2004 Honda Odyssey has 24 valves.