The 2006 Lexus IS-250 has 24 valves.
The 2010 Lexus IS-350 has 24 valves.
The 2011 Lexus IS-350 has 24 valves.
The 2010 Lexus IS-F has 32 valves.
The 2014 Lexus IS-250 has 24 valves.
The 2009 Lexus IS-350 has 24 valves.
The 2013 Lexus IS-250 has 24 valves.
The 2011 Lexus IS-F has 32 valves.
The 2014 Lexus IS-350 has 24 valves.
The 2007 Lexus IS-250 has 24 valves.
The 2010 Lexus IS-250 has 24 valves.
The 2014 Lexus IS-F has 32 valves.