Truck and bus tire valve The tire valve functions as a stem which is used to inflate inner tubes and tubeless tires. Inner tubes require molding the valve onto the tube. Tubeless tire valves are mounted into the rim on to which the tire is placed. Pacific tire valves are designed to meet international standards such as ISO, TRA, ETRTO and JATMA. Owing to the enormous practice and acquaintance in tire valve stem production, we have been competent to offer an extensive range of tire valves to our valuable customers, including truck tire valves, passenger car tire valves, snap-in valves, tubeless valves and tire valves with TMPS. We can provide various types of Truck and Bus Tire Valve, such as TR-574, TR-509, TR-545, TR-570, TR-515B,TR-543E and TR-V3-20-5 Tire valve model: Tire valve model: TR-570 3.125" clamp-in truck tire valve Fits 5/8" diameter tire valve hole Tire valve model: Tire valve stem model: Valve stem extension Valve seriesInflating Valve quotation website:http://www.autoasq.com/tire-valve/