The ASUKI® CHALLENGE チャレンジ 5W40 is fortified with ASUKI®’s signature NANO Technology with the addition of the most advanced low ash additive package, which provides stability of protective characteristics of oil under high loads and extreme operating temperatures. ASUKI® CHALLENGE チャレンジ 5W40 has excellent high speed and high shear stability, which, in combination with outstanding anti-wear additives guarantees reliable protection of engine parts in operations under boundary friction. Due to the enhanced detergent characteristics, ASUKI® CHALLENGE チャレンジ 5W40 maintains cleanliness of engine and provides maximized durability.
