Maxima Racing DOT 4 Brake Fluid Made to be pushed to the limit. Synthetic racing brake fluid provides maximum stopping power under extreme temperature conditions and racing applications. Designed to provide unparalleled braking responsiveness by preventing water contamination and oxidation. Safe for use in DOT 3, DOT 4 and DOT 5.1 hydraulic systems. Features Designed to provide excellent responsiveness in high performance, extreme racing applications Resists water contamination, oxidation and maintains fluid properties under high heat Compatible with SBR and Epdm rubbers Dry boiling point: 622F Wet boiling point: 399F