MAG 1® FULL SYNTHETIC EUROPEAN 5W-30 C3 MOTOR OIL FULL SYNTHETIC EUROPEAN MOTOR OIL PASSENGER CAR MOTOR OIL Manufactured in the USA MAG 1® Full Synthetic European 5W-30 C3 Motor Oil is our purest formulation and provides outstanding fuel economy. It delivers unsurpassed protection and performance, including the following benefits: Engineered to improve fuel mileage and to maximize horsepower and acceleration, especially in higher rpm and turbocharged engines. Longer and better engine protection than conventional oils due to strong and uniform synthetic base oils and advanced molecules that provide a strong film barrier to control friction, resist wear and keep metal surfaces from coming into contact. Created for extreme hot and cold driving conditions: stop and go, frequent short trips, heavy loads and dusty conditions.