ASUKI® DOWNFORCE ダウンフォース 10W40 is an all-weather, all-purpose engine oil for gasoline engines of passenger cars and commercial vehicles, operating in hot climate conditions or with high loads. The product is made using high quality base oils and a unique additives package, providing stability of oil in extreme loads and high operating temperatures. ASUKI® DOWNFORCE ダウンフォース 5W40 is fortified with ASUKI®’s signature NANO Technology and possesses excellent shear stability, provides robust protection of highly loaded engine parts operating even under boundary lubrication. The product promotes decrease of carbon emission and oil loss in engines with high mileage.