Radi-Cal R4 boasts the highest dry boiling point of any racing brake fluid currently available (340 deg C) and offers outstanding resistance to vapour lock / pedal fade under the most arduous of conditions. A higher vapour lock point means a firmer brake pedal at the extremes of brake temperature.Radi-Cal brake fluid has enhanced lubricity which increases the life of metal moving parts within the brake system and increases efficiency.500ml
"AP Racing Radi-Cal R4 Brake Fluid is ideal for high-performance vehicles that require excellent heat tolerance and additives to ensure reliable brake performance."