Cosworth 154 Degree LowTemp Thermostat

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Cosworth 154 Degree LowTemp Thermostat

Part #: COS1 20021027


Brand: Cosworth
Gasket Included: Yes
Opening Point: 154°F
Mfgr. Warranty: 1 Year
Return Policy: 9kracing Guarantee

Confirmed Fitment

Infiniti G35
Base 2003, 2004, 2005, 2006, 2007 X 2004, 2005, 2006, 2007 Sport 2007 Journey 2007
Infiniti M35
Sport 2006, 2007 Base 2006, 2007, 2008 X 2006, 2007, 2008
Infiniti Q45
Base 2002
Nissan 350Z
Performance 2003, 2004, 2005 Enthusiast 2003, 2004, 2005, 2006 Touring 2003, 2004, 2005, 2006 Track 2003, 2004, 2005, 2006 Base 2003, 2004, 2005, 2006 35th Anniversary Edition 2005 Grand Touring 2005, 2006


High performance racing engines require upgraded and improved cooling systems for maximum reliability. One important component of the upgraded cooling system is a thermostat that opens to allow coolant passage through the engine and cooling system at reduced temperature compared to the original equipment thermostat. Reducing the temperature by approximately 10 to 15C compared with that of a standard thermostat, the Cosworth LowTemp Motorsport Thermostat improves coolant circulation through the engine by starting the process earlier than the original equipment thermostat.

Cosworth LowTemp Motorsport Thermostats are engineered with the optimum temperature range in mind for high performance racing use as it is very easy to over cool the engine by either removing the thermostat completely or using a thermostat that is not designed for the specific application. Additionally, over cooling can cause engine damage by preventing critical engine components from reaching their ideal operating temperature, altering the required clearances for safe operation. Another important feature of Cosworth LowTemp Thermostats compared to other brands is the ability to precisely control the flow of coolant when the valve opens. Inferior brands allow the coolant to surge thereby causing unstable temperatures and even temperature fluctuation that can cause severe engine damage and make it difficult to properly tune or calibrate the engine.

When combined with a correctly sized radiator and other high quality cooling system components, the Cosworth LowTemp Motorsport Thermostat will help to safely maximize engine performance by controlling the engine temperature at an optimum level .

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