S-FOUR

Perfect not only for replacing the originals but also for sports driving users!!


Realizing a high boiling point, it clears the BF5 regulation boiling point. Supposing a variety of scenarios on the street, we improved the feeling and working stability to create a high-performance brake fluid with superior cost performance for street users.

RF-650

We recommend the fluid with the highest specifications for hard braking in circuits and rallies.


This racing fluid cleared many F1 team lab tests over a long period of time, demonstrating its value in a race. It has been used in many battles for world championship titles where it has proven to have overwhelming performance and reliability. It has also been praised for its high performance by famous tuning shops and top teams in everything from track meets to Super Taikyu Races, SUPER GT, All Japan Rallies, etc.