15oz Gunk Engine Degreaser Removes grease and grime from auto, power mower, marine and tractor engines, metals, concrete, tires and industrial equipment were water is permitted. Allow to soak for 10 to 15 minutes, brush unusually heavy deposits. Rinse with a fine stream of water. SHIPPING NOTE: This item can only be shipped to locations within the continental USA. Ground shipping only. No international, overnight, or air shipping on this item.