Hy-per Lube® is a 100% petroleum oil performance booster that has been formulated with premium base oils and petroleum-extracted additives. Hy-per Lube responds to various and changing demands of all engines, differentials and gear boxes, regardless if old or new. Works with all lubricants including petroleum and synthetic engine oil, ATF and gear oil. Use in gasoline and diesel cars, trucks, SUV’s, RV’s, semis and tractors for automotive, industrial, construction, heavy-duty and racing. High performance protection for everyday driving. Making new and high-mileage engines run better and last longer for over 50 years. Turns petroleum and synthetic oils into a hyper-performance lubricant.