Motul Rbf660 Racing Brake Fluid Features For use on all types of hydraulic brake and clutch actuators requiring non-silicone synthetic fluid Very high dry boiling point of 622F (328C) and a wet boiling point of 399F (204C) Specially designed to resist to extreme temperatures generated by racing carbon and ceramic brakes Widely exceeds DOT 3, DOT 4 and DOT 5.1 standards (except for DOT 5.1 viscosity at - 40C) 500 ml