TyreBeads Tire Balancing Beads - Filtered Valve Core - 4 Pack Four premium filtered valve core, Superior Quality for Outstanding Performance! Can be used in motorcycle, truck, motor home, and 4x4 tires! Just make sure you have 1.5" before any bend in the stem. Combine with our premium internal tire ceramic balancing beads (see our TyreBeads listings). Use our valve Core Removal Tool to replace your existing cores.