Full Synthetic formulation helps increase engine life by maintaining oil flow at both high and low temperatures. Provides outstanding viscosity stability, superior engine cleaning power, deposit control, and wear protection. Combination of synthetic base stocks and unique additives ensures excellent thermal and oxidation stability and outstanding performance during maximum recommend oil drain intervals. Excellent low temperature characteristics permit quick engine starting in cold weather and promptly deliver oil to vital metal parts maximizing engine life. Size - 6 Gallon Bag-in-a-Box PennGrade EURO Full Synthetic Motor Oil has been formulated with the latest high-tech additive technology and premium quality synthetic base oils. It is designed to meet the toughest demands of today’s automotive engine technology, offering exceptional protection and performance for today’s engines. PennGrade EURO Full Synthetic Motor Oil has been designed to offer the highest levels of performance, engine cleanliness and protection while supporting the performance requirements of API SL. The product has been designed to ensure quick cold weather engine start up while protecting vital engine parts, and to provide exceptional protection against wear in high temperature/high stress applications. PennGrade EURO Full Synthetic Motor Oil provides excellent resistance to viscosity breakdown and foaming in modern engines.