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Mishimoto low-temperature thermostat for 2014+ Ford Fiesta ST EcoBoost reduces thermostat opening to 160°F versus the stock 207°F to allow earlier coolant flow and help maintain lower engine temperatures during track use. Intended to improve cooling when paired with upgraded radiators, this thermostat is offered with Mishimoto’s Lifetime Warranty and targets sustained cooling efficiency under high-load conditions.
Mishimoto 2014+ Ford Fiesta ST EcoBoost Racing Thermostat
