SARD Racing Sports Thermostat. For cars that spend a lot of time at the track, in hot environments or just getting worked hard, the SARD Sports Thermostat is the trick to staying cool.

These open at 160F (71C) to ensure the engine runs cool under the most grueling conditions. On our Lotus Elise (Toyota 2ZZ powered), we'd see temps up to 210F before we installed this thermostat. After install, the reguar operating temp dropped to a consistent 160F, and track temps would only reach 180F in the high heat of ButtonWillow raceway.