Product Details: The Power Products Relay Emergency Valve is designed to provide a fast and reliable response in emergency situations. Made of high quality materials, these valves are designed to ensure durability and reliability. With their easy installation and maintenance, these valves are the perfect choice for any vehicle. They are designed to provide maximum protection and safety for the vehicle and its occupants, ensuring that they are always safe and secure. With their superior performance and reliability, these valves are the perfect choice for any vehicle. FleetPride is your First Click in Heavy Duty®.