Castrol® Transmax™ Multi-Vehicle Fully Synthetic Fluid is a low viscosity, advanced technology formulation designed to produce the best fuel efficiency in today's automatic transmissions. It is blended with premium base oils and contains Smooth Drive™ Technology for smooth transmission performance. It is fully approved and certified by Ford and GM for vehicles requiring their latest ATF specifications. It exceeds JASO-1A requirements and is recommended for a wide range of import vehicles.