 Moto Rad is your first choice for vehicle thermostats, caps, sensors, and emerging technologies. But in focus today, Moto Rad safety lever radiator caps. Safety is key when working with hot coolant. Moto Rad safety lever radiator caps utilize a lever that locks the cap to the filler neck, requiring it to be lifted before removal. When the lever is lifted, the valve pressurizing is open and pressure is vented through the overflow, ensuring safe removal.