Dura Lube HL-41501-06 Pour & Go Engine Treament, 12-Ounce, Single Directions: For gas and diesel engines, pour entire bottle of Dura Lube Pour & Go at every oil change or 3,000 miles Top off your oil change by adding the entire 12-ounce Dura Lube Pour & Go Advanced Engine Treatment bottle Dura Lube Pour & Go is an advanced synthetic formula designed to replenish and rejuvenate any motor oil, including synthetics, additives, treatments or oil stabilizers Cleans internal engine parts and improves overall performance Use when good oil goes bad