One Ethanol "S" is high performance E85 fuel built for racers with powerful engines requiring precise and consistent ethanol content. S is intended to be used in forced induction, nitrous, and NA engines that typically use race fuels with an octane rating of 100 to 112.
One Ethanol "R" is a specially formulated ethanol blend intended for ultra high performance racing engines. R was designed to be used in forced induction, nitrous, and NA engines requiring race fuels with an octane rating of 116 or higher.
Fuel is available in five gallon pails or 54 gallon drums. We will not ship; local pickup only.