Derale 3/8" NPT Fluid Control Thermostat Kit 13011 BB Ford The 101mm inner neck size

The 101mm inner neck size is designed for universal fitment

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Author Richard Holdener uses over 340 photos and 185 back-to-back dyno graphs to show you which parts increase horsepower and torque

Note: Check before ordering that you have the correct application

Designed for all fuel types

Derale 3/8" NPT Fluid Control Thermostat Kit 13011 BB Ford The 101mm inner neck sizeThis Billet Style Cast Aluminum Fluid Control Thermostat with 3 8" NPT ports allows the oil to bypass the cooler until it reaches 180F at which point the internal thermostatic valve will close and force 100% of the oil through the cooler while maintaining a constant pressure system. This process allows the engine transmission to achieve the ideal operating temperature quicker before passing the oil through the cooler. The unit can be rotated 180 to