This is one quart Sidewinder 30% Off-Road Nitro Race Car Fuel. This fuel is recommended for 1/8 off-road racing. For over 35 years Sidewinder's quality and performance have been proven again and again. In countless competitions and endless hours, it exceeds the demands of the most demanding users. Continued improvement in synthetic formulation is what gives its advantage. It combines high-temperature performance and protection for the unique conditions of model engines. Sidewinder is the confirmed Global Benchmark for Synthetic Model Fuels.