PowerMaster 20% Air was developed by VP Racing Fuels for high performance and versatile solution for nitro sport flying. 20% Air is for use in two stroke and four stroke applications. 20% Air is formulated with a high-performance oil package containing an 80% multi-viscosity synthetic and 20% castor for incredible rpm and power gains without sacrificing reliability. PowerMasterÑ wants to make sure you have the very best fuel to give you the best chance to win, and that includes the packaging! The container the fuel is stored in is just as important to performance as the quality of the chemicals themselves. What good is it to put a high-performance fuel in a container that delivers anything less than the best standards possible? PowerMaster uses only DOT approved pressure-tested metal cans with an inner lining to prevent corrosion. Even the closure cap is tested to the highest of standards. What you get is the highest quality fuel packaged in a fully sealed can that offers the same performance months down the road as the day you purchased it.Features: For 2 and 4 stroke applications Ultra-clean burn Easy to tune No after-run necessary Extended runtimes Anti-corrosion and anti-foaming agents Multi-viscosity 18% Synthetic/Castor lubrication package blend (80/20) for the ultimate combination of rpm and protectionNOTE: Due to regulations from the federal governmentÄôs Environmental Protection Agency (EPA), our fuel shipper assesses a surcharge above and beyond the standard shipping charge for each 6-gallon case of fuel ordered. This charge will be included in the shipping charges for the fuel.