Manufacturer Part Number: MMTS-EVO-01Product SKU# 6304The Mishimoto racing thermostat for the 1999-2007 Mitsubishi Lancer Evolution 6,7&,9 will promote greater cooling efficiency throughout your engine. The Mishimoto racing thermostat will significantly lower high engine temperature produced by modified and upgraded turbo applications. Once the engine is fully warmed up the Mishimoto racing thermostat will open up at a lower temperature than standard thermostats, also allowing the coolant to flow through the engine sooner thus reducing and maintaining cooler engine temperatures.Fits the 1999–2007 Mitsubishi Lancer Evolution 6/7/9 (does not fit EVO 8)Activates at lower temperature so coolant flows through system earlierAllows for cooler engine temperaturesMishimoto Lifetime Warranty