ASUKI® CHALLENGE チャレンジ 10W40 is a high-quality semi synthetic premium engine oil for modern passenger cars and light commercial vehicles, which require the application of “Low SAPS” engine oils, having the limited levels of sulfur, phosphorus and ash. The ASUKI® CHALLENGE チャレンジ 5W40 is fortified with ASUKI®’s signature NANO Technology. The use of a unique complex of protective additives effectively reduces wear of parts, working under boundary lubrication, and contributes to extending engine durability. The ASUKI® CHALLENGE チャレンジ 5W40 maintains optimal engine cleanliness, effectively prevents formation of varnish, burnout and low-temperature deposits.
