The 2012 GMC Savana has 16 valves.
The 2012 GMC Savana-Cargo has 12 valves.
The 2012 GMC Savana has overhead valves (OHV).
The 2002 GMC Savana has 12 valves.
The 2003 GMC Savana has 12 valves.
The 2010 GMC Savana has 16 valves.
The 2009 GMC Savana has 16 valves.
The 2011 GMC Savana has 16 valves.
The 2005 GMC Savana has 12 valves.
The 2007 GMC Savana has 16 valves.
The 2014 GMC Savana has 16 valves.
The 2004 GMC Savana has 12 valves.
The 2006 GMC Savana has 12 valves.