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 high horsepower and turbocharged applications!

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 V1 fits the following vehicles:

• Ford F150 2.7L Ecoboost: 2015-2017
• Ford F150 3.5L Ecoboost: 2011-2014
• Ford F150 5.0L Coyote: 2011-2017
• Ford F150 3.7L V6: 2011-2014
• Ford Mustang 5.0L Coyote: 2011-2017
• Ford Mustang 5.7L V6 : 2011-2017

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