The 2005 Nissan Sentra has 16 valves.
The 2010 Nissan Sentra has 16 valves.
The 2003 Nissan Sentra has 16 valves.
The 2013 Nissan Sentra has 16 valves.
The 2002 Nissan Sentra has 16 valves.
The 2006 Nissan Sentra has 16 valves.
The 2001 Nissan Sentra has 16 valves.
The 2004 Nissan Sentra has 16 valves.
The 2009 Nissan Sentra has 16 valves.
The 2007 Nissan Sentra has 16 valves.
The 2008 Nissan Sentra has 16 valves.
The 2012 Nissan Sentra has 16 valves.