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  • The RAT Stat - 170° Thermostat for F150 and Mustang

    $55.00 $45.00

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    Looking to cool down your EcoBeast powered F150?  Need to cool down that Coyote 5.0L in your Mustang or F150?

    Heard about the benefits of using a 170° Thermostat somewhere on the Facebook Groups or Internet Forums?  Well your search is over! 

    Introducing "The RAT Stat" - proudly Made In USA - these thermostats will bring your average Ecoboost temperatures from 198°-215° down to the 180°-192° range*.  Cooler motors make more power!  Especially these turbocharged beasts!  
    (*if running a custom tune, your tuner may be able to help decrease this heat range even further; make sure to advise your tuner of the vehicle being equipped with this upgraded thermostat!)

    This is a simple, affordable, effective upgrade for all 2.7L & 3.5L Ecoboost F150 owners as well as F150 or Mustang Coyote 5.0L owners that will give you added performance, including peace of mind for those of you who are using your vehicles for towing or performance.

    The RAT Stat 4D fits the following vehicles:

    • Ford F150 2.7L Ecoboost
    • Ford F150 3.5L Ecoboost
    • Ford F150 5.0L Coyote
    • Ford Mustang5.0L Coyote

    Each package includes the thermostat and replacement sealing o-ring for proper installation!

    Install video for 2.7L Ecoboost F150 170° Thermostat:

    Install video for 3.5L Ecoboost F150 170° Thermostat:

    If you can't find your fitment here, please check our Products page, as there are additional fitments available:

    1D - Ford Mustang 2V 4.6, 3V 4.6, 5.4L and 6.2L
    2D - Ford Mustang Shelby GT500 5.4L and 5.8L Trinity
    3D - Ford Explorer Sport 3.5L Ecoboost, Ford Taurus SHO 3.5L Ecoboost, Ford Flex 3.5L Ecoboost & 4.6L DOHC Cobra/Mustang 281ci Mod Motors