Maxima 20505 Super M 2-Stroke Premix Engine Oil - 5 Gallon Pail Super M is a blend of clean burning petroleum base oil, synthetic polyester, polybutene, anti-scuff and anti-wear compounds and a new additive that keeps rings, power valves and the exhaust tract "carbon free" Super M is a high performance racing 2-cycle lubricant incorporating the latest technology Another newly developed additive 2000 centistoke ester provides additional anti-scuff protection as well as enhanced rust and corrosion protection "smokeless" formula is in a class by itself Super M is ideally suited as a premix with pump or race gasoline in virtually all high performance and racing 2-cycle engines