The 2006 Toyota Matrix has 16 valves.
The 2006 Toyota Sequoia has 32 valves.
The 2006 Toyota RAV4 has 16 valves.
The 2006 Toyota Tacoma has 16 valves.
The 2006 Toyota Avalon has 24 valves.
The 2006 Toyota Tundra has 24 valves.
The 2006 Toyota Corolla has 16 valves.
The 2006 Toyota Prius has 16 valves.
The 2006 Toyota Camry has 16 valves.
The 2006 Toyota Highlander has 24 valves.
The 2006 Toyota Sienna has 24 valves.
The 2006 Toyota 4Runner has 24 valves.