ASUKI® CHALLENGE チャレンジ 10W30 is a high quality semi-synthetic engine oil for modern engines of passenger and commercial vehicles, manufactured according to current environmental standards for fuel efficiency. The ASUKI® CHALLENGE チャレンジ 5W40 is fortified with ASUKI®’s signature NANO Technology and possesses excellent high temperature high shear stability, which ensures reliable protection of engine parts operating under boundary friction and extreme conditions. Due to its enhanced detergency characteristics, ASUKI® CHALLENGE チャレンジ 5W40 maintains cleanliness of engine parts and provides maximized durability. Decreased HTHS levels contributes to increased fuel efficiency and decreased maintenance costs.
