Shell Rotella T6, Gallon, 5W40 CJ4 Motor Oil, Energized Protection, Features Shell Exclusive Low Saps Additive Technology Reinforced With A Novel & Unique Anti-Wear System, Protective Power Is Further Enhanced Through The Use Of Synthetic Base Oil Technology That Increases Additive Activity To Deliver Low Viscosity Fuel Saving Performance With No Compromise In Durability, Compatibility With Exhaust Emissions Control Systems, Protection In Extreme Operating Temperatures & Fuel Economy Performance.