The 2012 Lexus IS-F has 32 valves.
The 2012 Lexus IS-350 has 24 valves.
The 2012 Lexus LFA has 40 valves.
The 2012 Lexus IS-350-C has 24 valves.
The 2012 Lexus IS-250-C has 24 valves.
The 2012 Lexus RX-450H has 24 valves.
The 2012 Lexus CT-200H has 16 valves.
The 2012 Lexus GX-460 has 32 valves.
The 2012 Lexus LS-460 has 32 valves.
The 2012 Lexus ES-350 has 24 valves.
The 2012 Lexus RX-350 has 24 valves.
The 2012 Lexus LS-600H-L has 32 valves.