Wilwood EXP Super Hi-Temp 600 Plus Racing Brake Fluid has been specially formulated for racing applications where brake systems consistently operate at very high temperatures. In addition to guarding against vapor lock, EXP Super Hi-Temp 600 Plus Racing Brake Fluid maintains its viscosity and lubricity under extreme temperatures for maintaining brake system reliability and performance. EXP Super Hi-Temp 600 Plus Racing Brake Fluid conforms to, and exceeds U.S. specification FMVSS No. 116 DOT 4. Typical dry boiling point: 594° F (312° C). Typical wet boiling point: 399° F (204 °C).