UZFE Thermostat & Bypass Delete

“THIS BYPASS DELETE FITS THE FOLLOWING UZ ENGINES WITH THE WATER INLET HOUSING SHOWN IN THE PHOTOS ABOVE. THIS SHOULD CONSIST OF 1UZ NON VVTI, 2UZ VVTI, 3UZ VVTI.” The Coolant Bypass Delete for the UZ family of engines was created to help push the performance capabilities of the engine in extreme conditions. It is not solely about lowering temperatures but controlling the engine temperatures. It is a solution for extreme performance while being simple and effective. What is included is a Billet Aluminum Bypass Delete that is designed to be tolerance fit into the thermostat housing. In testing the coolant bypass delete has placed the operating range of the coolant temperature in conjunction with the fan activation and deactivation being completely reliant on the effectiveness of your radiator and fan combo. Example: If your fan is set to turn on at 200f and shut off at 185f then engine temperatures will follow this. If your fans turn on at 210f and shut off at 205f, then your coolant te