Features. TR414 Rubber Snapin Tire Valve Stem. Wheel and Tire Service Miscellaneous. High temperature rated nickel plated brass valve core. Solid brass stem with EPDM Rubber for added longevity and durability. Case of 1000Specifications. Effective Length 11/2. Max Air Pressure 65 PSI. Fits Rim Hole Diameter 0.453. Weight 25 lbs