High Flow Thermostat for All 5.7, 6.1, 6.2, 6.4 Hemi Engines, including Hellcat models. Crafted with a robust construction of copper, brass, and stainless steel, this thermostat ensures long life and high reliability. Engineered to provide maximum cooling efficiency, it acts as a direct OEM replacement, safeguarding your engine from damage associated with excessive heat. With an opening temperature rating of 180 degrees Fahrenheit, it offers a high-flow rate for optimal performance. Please note that gaskets are not included. Sold individually, this high flow thermostat is your go-to solution for maintaining peak engine performance and protection.