The Mishimoto racing thermostat for the Scion FR-S and Subaru BRZ will promote greater cooling efficiency in your stock or modified FA20. Once the engine is fully warmed up, the Mishimoto racing thermostat will open at a lower temperature than standard thermostats. This allows coolant to flow through the engine sooner, which reduces and maintains cooler engine temperatures. The Mishimoto FR-S / BRZ racing thermostat is the perfect addition to your street or track FR-S / BRZ and is a direct replacement for the factory thermostat. As with all our products, this thermostat includes the Mishimoto lifetime warranty.
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