The X-TRA SEAL TR573 4-3/8" heavy duty brass tire valve stem is constructed from brass material, which resists corrosion, thus extending the lifespan of the valve stem. Its 4-3/8" length accommodates larger tires, enhancing versatility in various applications. The robust design is capable of withstanding high pressure, making it suitable for heavy duty applications. This valve stem effectively prevents air leakage, maintaining optimum tire pressure. It fits securely to ensure a reliable seal against contaminants.