SAE 50 Long-Life Synthetic Transmission Oil in A Gallon Jug by Amsoil | Heavy-Duty | Specially Formulated | FTF1G-EA

Specially formulated to meet the demanding requirements of manual transmissions found in high-torque heavy-duty line-haul trucks and other commercial applications. Its synthetic base stocks and premium additives help reduce gear and bearing wear improve shifting and extend transmission life throughout drain intervals of up to 500000 miles/five years.