1997-2003 F150 4.6L/5.4L Thermostats

Introducing “The RAT Stat” – proudly Made In USA – these thermostats will bring your average temperatures from 198°-215° down to the 180°-192° range*.  Cooler motors make more power!  Especially high horsepower and heavily modified applications! This is a simple, affordable, effective upgrade for all 2V & 3V 4.6L, 3V 5.4L and 6.2L owners that will…