Mishimoto 76°C Thermostat (86/BRZ)Fitment Guide: 86 BRZ, 12 21 Description The Mishimoto racing thermostat for the 2012+ Toyota 86 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 86 BRZ racing