The 2013 Toyota Tacoma has 16 valves.
The 2013 Toyota Prius has 16 valves.
The 2013 Toyota Venza has 16 valves.
The 2013 Toyota Avalon has 24 valves.
The 2013 Toyota Sienna has 24 valves.
The 2013 Toyota 4Runner has 24 valves.
The 2013 Toyota Yaris has 16 valves.
The 2013 Toyota Sequoia has 32 valves.
The 2013 Toyota Matrix has 16 valves.
The 2013 Toyota RAV4 has 16 valves.
The 2013 Toyota Tundra has 24 valves.
The 2013 Toyota Corolla has 16 valves.