Q8 Brake Fluid DOT 4+ is an exceptional hydraulic fluid for brake and clutch systems. It has a high boiling point of min. 260°C that widely exceeds the requirements for DOT 4 brake fluids. Q8 Brake Fluid DOT 4+ offers superior lubricity, extreme protection against corrosion and is miscible with DOT 3 and DOT 5.1 brake fluids. It reduces friction and provides exceptional wear protection.