Nismo has designed a Low Temp Thermostat which opens up at 62C (143.6F) where OEM stock opens up at 75C (196.7F). The Low Temp Thermostat would be very helpful in racing applications. Or during very hot climate areas. 

• Promotes earlier coolant circulation inside the engine
• Reduces power loss caused by rising coolant temperatures on the track
• More information available from the Nismo website under Additional Details

Nismo Thermostat