Termostat Mishimoto Acura RSX 2002-2006 68C/155F - MMTS-RSX-02 - The Mishimoto racing thermostat for the 2002-2006 Acura RSX will promote greater cooling efficiency throughout your engine. The Mishimoto racing thermostat will significantly decrease high engine temperature resulting from modified and upgraded turbo applications. Once the engine is fully warmed up, the Mishimoto racing thermostat will open up at a lower temperature (60° C) than standard RSX thermostats (78° C). This allows the coolant to flow through the engine sooner, thus reducing and maintaining cooler engine temperatures. Fits the 2002-2006 Acura RSX Lower activation temp allows coolant to flow through the engine earlier Maintains lower temperatures and extends engine life Mishimoto Activation: 140°F (60°C) / OEM Activation: 172.4°F (78°C)Mishimoto Lifetime Warranty