VP SEF 2-cycle blends use the highest quality, cleanest burning synthetic oil on the market. It's virtually smoke-free and substantially reduces carbon deposits in engines. VP SEF's lubricant package meets or exceeds JASO FD, ISO-EGD and API TC standards, as well as all manufacturers' specs, including: Stihl, Husqvarna, Echo, Maruyama, Shindaiwa and more. | Harvest King 50:1 Fuel-In-A-Can