98 Octane Unleaded with Ethanol

This 98 Octane Unleaded Racing fuel with 15% ethanol is the gasoline that NASCAR uses. It is designed to give your engine unmatched performance and power. This fuel contains 15 percent ethanol which creates higher levels of oxygenates than are found in most racing fuels. Because it contains more oxygen than most fuels, fuel system changes may be needed to extract peak performance.