Higher Octane Booster - 1 U.S. gal.Caracteristicas: Concentrated tetraethyl lead substitute formulated to increase the octane rating of gasoline up to 10 numbers or more Helps eliminate engine damaging detonation, spark knock, pre ignition and pinging from low octane gasoline Modifies the burn speed and flash point of gasoline to create a stable combustion chamber flame front, maximizing performance and power Stabilizes oxygenated gasoline to prevent lean out conditions Provides needed