DOT 4 brake fluid formulated with a precise mixture of Borate Esters and Glycol Ethers, plus moisture and corrosion inhibitors Utilizing quality raw materials yields a superior fluid resistant to absorption and retention of moisture while providing the best protection against extreme temperatures Blendable with DOT 3, DOT 4 and DOT 5.1...

RF-650 is becoming recognized as the highest-spec brake fluid around the world. Thanks to the even viscosity in our fluid the response in the brake system is very fast and precise regardless of the temperature.  The low freezing point (-40 ºC) also makes RF-650 perfect for snow rallys.