Mishimoto Toyota Supra Racing Thermostat, 68 C temp, for 1993-1998 Turbo. Also fits 2JZ-GE and 1JZ-GTE. The Mishimoto racing thermostat for the 1993-1998 Toyota Supra 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.