SPEC: API SF 4T Viscosity: SAE 10W-30, 15W-40, 20W-50 l Generally for engines sedans or light trucks which use gasoline with the lubricant level of API-SF. l Dispersing and cleaning agent to prevent deposition of sediments and endure Max output of engine. l Good oxidation resistant stability; prevent concentration of oil and make sure unimpeded oil pipe and fuel filter.