Racing brake fluid for the ultimate performance!! High dry boiling point of 333℃ and the performance equivalent to the highest DOT5.1 specification. R35 GT-R(HKS 1300hp spec.) could withstand the conditions under full-braking at 330km/h. Appropriate brake feeling is provided for a vehicle without Mastervac. (For a vehicle with Mastervac, this product works with no problem.) Professional use racing brake fluid for racing purpose Use the fluid all at once. Replace the brake hose to a mesh hose. Drain the fluid when a vehicle is stored for a long term. Replace at regular interval.