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The Mishimoto 68° racing thermostat for 1989–1995 Mazda RX‑7 applications opens at a lower temperature than stock to promote earlier coolant flow and improved cooling efficiency for modified or turbocharged engines. It activates cooler operation by opening roughly 14°C lower than OEM thermostats once the engine warms, helping reduce and maintain high engine temperatures under sustained load while fitting RX‑7 coolant housings directly.
Mishimoto 89-95 Mazda RX-7 68 Degree Racing Thermostat
