The product is a genuine Motorcraft Ford RG605 engine coolant thermostat gasket designed for Ford vehicles. This gasket is essential for maintaining the proper function of the engine cooling system, ensuring that the thermostat functions correctly to regulate the engine temperature.
This oem product feels like heavy fiber material thick hard feel.better seal more durable for 1990 mustang v8. Use high temp rtv seal with this incredible seal. 5star seller 5 star product.