Engine temperature is one of the crucial points that needs to be examined and watched as you race your 1979-2018 V6, 5.0L, Mach 1, Cobra, GT, GT500, GT350, and BOSS Mustang. If the engine overheats, you can cause serious damage to your vehicle and you may even completely blow the engine. Reische Performance parts make it easy to know and understand at what temperature your engine is operating at and cool it off. At AmericanMuscle, we are proud to be able to bring Reische Performance parts directly to you to include the 170-degree thermostat. This thermostat will cool the temperature and protect your engine from any type of heat damage that may have otherwise occurred. You will not only receive cooler temps, but you will have better timing advancement as well. Each of the thermostats are direct replacements and install quickly. As a custom-built piece using OEM parts, you will have the confidence needed to race your Pony without the worry that overheating will occur.