Castrol EDGE High Mileage is 3X stronger against viscosity breakdown than the leading full synthetic oil. Castrol EDGE High Mileage full synthetic motor oil is designed for older cars with over 75,000 miles that need a high mileage oil to protect worn seals, prevent leaks, remove engine sludge and prevent wear and tear of the engine. As your car ages, its engine can lose performance and efficiency. Proper maintenance is critical to keep your older car performing at its best. Tested in the ASTM D6278 test in the 5W-30 viscosity grade. Product Features:Boosted with extra fluid titanium technology to protect your older engineMaximizes short and long term engine performance on high mileage enginesReduces leaks, oil burn off and power-robbing deposits Improves fuel economy Castrol EDGE offers motor oils that meet OEM specification approvals or licenses that cover over 97.3% of the US car parc. Available in the following grades: 5W-20, 5W-30, 10W-30, and 10W-40Try Castrol EDGE High Mileage today
