STP Premium Small Engine 4-Cycle Oil SAE 10W-30 is specially formulated for use in outdoor power equipment. Its synthetic blend formula is scientifically engineered with antioxidants, anti-wear technology, a viscosity index improver, detergents and a corrosion inhibitor to help maintain maximum performance in 4-cycle small engines. Its synthetic blend formula helps extend the drain interval, reduce oil thickening and oxidation, and promotes easier starts all year. Can be used with push mowers, riding mowers, generators, snow blowers and other 4-cycle gasoline powered small engines (refer to owner's manual). Meets API category SJ specifications.