Cosworth 154 Degree Thermostat JDM EVO 1-6
Manufacturer Part # 20021023
With a focus on high performance engines, our thermostat needed to do more than simply open at a lower temperature. Unstable coolant temperatures can lead to engine damage or engine calibration issues, generally caused by an inferior thermostat that does not control the flow of coolant causing coolant surge. Our thermostat precisiely controls the coolant flow once the valve is opened offering reduced operating temperatures, improved volumetric efficiency and knock limit providing a dependable component to your cooling system.