AT Racing Castor oil is specifically formulated for racing and high-performance enthusiasts that insist on providing maximum power and protection for their engine. AT Racing Castor is specifically formulated to keep up with the demands of racing and high-performance engines. Blended with the most advanced extreme pressure additives, they enhance the natural lubrication of a degummed castor and extend engine life. AT Racing Castor Oil is suitable for use with Nitromethane, Methanol, E85 and petroleum fuels making it ideal for motor racing Nitro RC, motorcycle and Two-stroke Go-kart applications.