Red Line motor oils are designed to provide the highest protection, efficiency, and cleanliness.  They have been proven to improve fuel economy, and they provide improved wear protection and friction reduction across a wide range of operating conditions.  Completely compatible with other petroleum and synthetic motor oils.  Race oil that improves start up, lowers oil temperature, and cleans the engine.  Remember to change this oil more frequently than regular motor oils.  Offers 2 - 4% more power than oil of a similar viscosity due to its multi-grade properties.