An ECO-Friendly Way to Balance Truck tires. With the banning of lead weights around the country, alternative ways to balance truck tires are developing. ESCO proudly introduces it's fire line of, "Liquid Truck Tire Balance". This product offers: Instant tire balance for the life of the tire, Truck tire run cooler and will extend the tread life by reducing heat build up. Eliminates Rust on Rims, Lubricates for a perfect Bead Seat, and is Tire Changer Friendly. This product unlike other Truck Tire Balancing Compounds, will Not block valve stem or Freeze, and increases casing retread ability in new and retreaded tires.