Cosworth 154 Degree Thermostat

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Cosworth 154 Degree Thermostat

Part #: COS1 20021030


Brand: Cosworth
Gasket Included: Yes
Opening Point: 154°F
Mfgr. Warranty: No Warranty
Return Policy: 9kracing Guarantee

Confirmed Fitment

Toyota Supra
Base 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998 Turbo 1987, 1988, 1989, 1990, 1991, 1992 Twin Turbo 1993, 1994, 1995, 1996, 1997, 1998


The Cosworth 154 Degree Thermostat has been designed to keep the 2JZ application cool, and running at optimal temperatures. The Cosworth 154° Thermostat has been engineered and developed to fight high temperatures during high performance driving.

When compared to other thermostats, the Cosworth thermostats have the ability to control the flow of coolant once the valve opens. And the Cosworth units have the ability to stabilize the engine temperatures under extreme conditions where the engine could be going through Dyno or tuning conditions.

The opening will begin at 154°F, and will keep your engine operating at cooler temperatures during high performance driving conditions. With reduced operating temperatures, you will have improved volumetric efficiency, as well as knock limit. 

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