Blue Flame E99 Ethanol 5 US Gal

E99 is an unleaded racing fuel containing 99% volume E99 ethanol. The product has been denatured with Valve Seat Recession additives to prevent deposit build-up on intake valves and corrosion inhibitors.

Specific Gravity = 0.792
RON = 112
MON = 106
(R+M)/2 = 109
Stoichiometric A/F Ratio = 9.1