The 2005 GMC Canyon has 16 valves.
The 2008 GMC Canyon has 16 valves.
The 2006 GMC Canyon has 16 valves.
The 2011 GMC Canyon has 16 valves.
The 2009 GMC Canyon has 16 valves.
The 2010 GMC Canyon has 16 valves.
The 2007 GMC Canyon has 16 valves.
The 2004 GMC Canyon has 16 valves.
The 2012 GMC Canyon has 16 valves.
The 2005 GMC Yukon has 16 valves.
The 2005 GMC Savana has 12 valves.
The 2005 GMC Savana-Cargo has 12 valves.
The 2005 GMC Sierra-2500HD has 16 valves.