Castrol 03129C EDGE High Mileage 10W-30 Advanced Full Synthetic Motor Oil, 5 quart Titanium strong for maximum engine performance in vehicles with over 75,000 miles Maximizes short and long term engine performance on high mileage engines Boosted with extra fluid titanium technology to increase oil film strength and reduce film breakdown Reduces leaks, oil burn off and power-robbing deposits Improves fuel economy Castrol recommends the use of Bosch oil filters