The 2013 Lexus IS-250 has 24 valves.
The 2013 Lexus IS-350 has 24 valves.
The 2013 Lexus IS-F has 32 valves.
The 2013 Lexus ES-350 has 24 valves.
The 2013 Lexus RX-450H has 24 valves.
The 2013 Lexus ES-300H has 16 valves.
The 2013 Lexus LX-570 has 32 valves.
The 2013 Lexus CT-200H has 16 valves.
The 2013 Lexus GX-460 has 32 valves.
The 2013 Lexus IS-250-C has 24 valves.
The 2013 Lexus GS-450H has 24 valves.
The 2013 Lexus GS-350 has 24 valves.