SYNAVEX 0W-40 full synthetic engine oil is formulated with low friction additives to help improve fuel economy where SAE 0W-40 is recommended and to provide outstanding engine protection. SYNAVEX meets or exceeds the latest American Petroleum Institute (API) SN Plus. SYNAVEX engine oils are designed especially for turbo-charged and high RPM engines which experience high heat and they provide quick flow to critical parts at start up to reduce wear. SYNAVEX eliminates LSPi events and is the engine oil of choice for passenger cars, light trucks, powerboats, motorcycles and other stationary and mobile equipment when engine life and performance is important. SYNAVEX also meets all previous service classifications: API SN, SM, SL, SJ, SH, SG, SF.