Penn-Grade 1 SAE "Nitro" 70 Racing Oil is specifically formulated for gasoline, alcohol, and nitro-methane fueled racing engines that experience extreme load, torque, and high temperature conditions.  The initial high viscosity and exceptional film strength of the oil allows for excessive dumping of blow-by fuel into the engine oil while maintaining critical lubricating protection for expensive, high performance racing engines and their critical parts. 12 Quart Case.