PennGrade® High Mileage Motor Oils maximize engine performance with premium base oils and optimized additive system to meet the lubricating demands of today’s high mileage gasoline engines. PennGrade® High Mileage Motor Oils offer excellent anti-wear and shear stability properties, protection from engine sludge, varnish deposits and valve train component corrosion. PennGrade® High Mileage Motor Oils also offer exceptional resistance to thermal degradation, good anti-foaming characteristics and lower phosphorous levels for improved emissions systems performance in vehicles prone to consumption / oil leakage.