50PCS TR573 Heavy Duty Tire Valve Stems Brass Truck Bus Trailer 200 PSI 4.527" The TR573 heavy duty valve stems are engineered for reliable performance on commercial trucks, buses, and trailers. Each stem features brass construction for strong sealing and long service life in demanding tire service environments. This bulk pack of 50 ensures your shop or fleet has a steady supply of dependable valve stems for high-volume tire work. Features Heavy duty TR573 design – built for trucks, buses, and trailers. Brass construction – provides excellent corrosion resistance and sealing strength. Brass washer included – ensures a secure seal against the rim surface, preventing air loss. .
