The 2007 Porsche Cayman has 24 valves.
The 2009 Porsche Cayman has 24 valves.
The 2008 Porsche Cayman has 24 valves.
The 2012 Porsche Cayman has 24 valves.
The 2010 Porsche Cayman has 24 valves.
The 2011 Porsche Cayman has 24 valves.
The 2014 Porsche Cayman has 24 valves.
The 2007 Porsche Boxster has 24 valves.
The 2007 Porsche 911 has 24 valves.
The 2007 Porsche Cayman's engine produces 245 hp @ 6500 rpm.
The gas tank on the 2007 Porsche Cayman holds 16.9 gal..
The 2007 911 Porsche 911 Turbo flat-6 engine has 24 valves.
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