Our HIGH-FLOW thermostat housing is designed for your custom cooling solutions. It includes your choice of barb or -AN fittings, and three selectable degree thermostats. Features dual -16 ORB inlet ports, and a single -20 ORB outlet with Meziere WN-style compatibility. Available in multiple sizes like 1", 1-1/4", 1-1/2", or 1-3/4" barbed to match OEM rubber hoses, plus optional -12 AN, -16 AN, or -20 AN configurations for custom builds. Built-in bypass holes ensure continuous coolant flow without drilling the thermostat. Includes extra 3/8" NPT single port for auxiliary sensors either for engine temp, or electric fan sensors like (SPAL185-TS, SPAL195-TS, SPAL185-2TS). Engineered for reliability in high-performance applications. VEHICLE APPLICATION : 07-14 Ford Mustang GT500 99-01 Ford Mustang Cobra 03-04 Ford Mustang Cobra OUR NAVI Swap Kit OUR GT500 Swap Kit ANY 5.4L 4V or Swap ANY 4.6 4V or Swap