JCERacing carries Thermostats from Cosworth, Flex-a-Lite, GrimmSpeed, Mishimoto, Mr Gasket and many more A thermostat is a component of which senses the temperature of a system so that the system's temperature is maintained near a desired setpoint. The thermostat does this by switching heating or cooling devices on or off, or regulating the flow of a heat transfer fluid as needed, to maintain the correct temperature. Buy online 24/7 and enjoy our Free Shipping with no minimum purchase offer. If you don't see what you are looking for Call Us at 787-902-3192 or chat with us anytime. We can help.