Pennzoil® High Mileage Vehicle™ motor oil from the maker of the leading motor oil in America, an advanced proprietary conventional formula with Active Cleansing Agents. Not only helps prevent dirt and contaminants from turning into performance robbing deposits, but also cleans out sludge. Its specially formulated to help stop leaks from seals and reduced oil consumption in worn engines. Because at Pennzoil® we know, a cleaner, well sealed engine is better protected and responsive. It meets or exceeds the engine protection required by API SN and is specially formulated to provide extra protection against the harmful effects of stop and-go driving and high and low temperature engine operation.