Designed of a borate ester polyalkyglycoalkylether formulation in order to provide the highest possible resistance to fluid boiling and degradation in high performance and racing conditions. Spectro DOT 4 Racing Brake Fluid 600 is your best defense against lost lever pressure caused by progressive heat buildup. Spectro DOT 4 surpasses DOT 4 specifications with a 312ºC dry boiling point and it solves virtually any fluid boiling problems hard riding can create. Excellent for on and off road applications.