Mishimoto Racing Thermostat 2014 2018 Ford Fiesta ST (MMTS FIST 14). Mishimoto Racing Thermostat Part #: MMTS FIST 14 Overview The Mishimoto Racing Thermostat is a high performance cooling component designed specifically for the 2014 2018 Ford Fiesta ST. Engineered to optimize engine temperature management, this thermostat helps improve responsiveness and reliability during spirited driving or track use. Crafted from durable materials, it ensures consistent operation under demanding conditions, supporting your vehicles cooling system and overall performance. This racing thermostat is ideal for enthusiasts seeking to enhance their Fiesta STs thermal regulation, whether for daily driving, autocross, or track days. Its precise temperature control helps maintain optimal engine operating temperatures, reducing heat soak and supporting the longevity of your engine components. The Mishimoto Racing Thermostat is a reliable upgrade that complements your vehicles cooling system, providing peace of mind during high performance driving. Key Features The Mishimoto Racing Thermostat combines advanced design with practical benefits to support your vehicles cooling needs: Constructed from high quality, corrosion resistant materials for durability Precision engineered to open at a specific temperature for optimal engine cooling Helps reduce heat soak and improve thermal response during aggressive driving Designed for easy installation with compatible fitment for Ford Fiesta ST models Supports consistent engine temperature, enhancing performance and reliability Backed by Mishimotos reputation for quality and performance Construction & Design This thermostat features a robust, machined aluminum body with a precision valve seat, ensuring reliable operation and resistance to high temperatures and corrosion. Its design allows for quick and secure installation, fitting seamlessly into the factory cooling system without modifications. Installation & Fitment Installation is straightforward for those familiar with cooling system upgrades. Verify fitment against your vehicles specifications and part number to ensure compatibility. Proper installation helps maximize the thermostats benefits and maintain your vehicles cooling efficiency. Whats Included The package includes the Mishimoto Racing Thermostat and all necessary hardware for a secure, leak free installation.