Built for high-performance engines operating under extreme conditions, AMSOIL 10W-50 Synthetic Motor Oil delivers the power, protection, and reliability serious riders and drivers demand. Whether you’re racing, riding trails, or navigating harsh environments, it maintains consistent performance where others may fall short. Recommended for Powersports and automotive applications requiring a 10W-50 synthetic oil, including select motorcycles, dirt bikes, ATVs, UTVs, and other high-performance engines.