The RAT Stat - 170° Thermostat for 3.5L Ecoboost

Looking to cool down your EcoBeast ride?  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 3.5L Ecoboost 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 3D fits the following vehicles:

  • Ford Explorer Sport Ecoboost 3.5L (transverse mounted)
  • Ford Taurus SHO Ecoboost 3.5L (transverse mounted)
  • Ford Flex Ecoboost 3.5L (transverse mounted)
  • (Also fits Mustang Cobra 4.6L DOHC 281ci mod motors)

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

170° Thermostat install video for Ford Taurus SHO with 3.5L Ecoboost:


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
4D - Ford F150 Ecoboost 2.7L, F150 Ecoboost 3.5L, F150 Coyote 5.0L, Mustang Coyote 5.0L

Looking to cool down your EcoBeast ride?  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 3.5L Ecoboost 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 3D fits the following vehicles:

  • Ford Explorer Sport Ecoboost 3.5L (transverse mounted)
  • Ford Taurus SHO Ecoboost 3.5L (transverse mounted)
  • Ford Flex Ecoboost 3.5L (transverse mounted)
  • (Also fits Mustang Cobra 4.6L DOHC 281ci mod motors)

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

170° Thermostat install video for Ford Taurus SHO with 3.5L Ecoboost:


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
4D - Ford F150 Ecoboost 2.7L, F150 Ecoboost 3.5L, F150 Coyote 5.0L, Mustang Coyote 5.0L

Orders are processed twice a week for uniform shipping and packaging. Once a label has been created your shipping information will be updated. 

Parker Performance LLC 2020

Grab your merch!

Parker Performance Finally has some merch! Support your favorite speed shop!

Quick View