Castrol React SRF Racing is the ultimate brake fluid used in the most demanding motorsports worldwide with a very high dry boiling point of 325 ° C. High dry boiling point is the most important measure when it comes to the quality of your brake fluid under harsh braking conditions and that SRF Racing maintains a high dry boiling point even after long-term use, however, it is recommended that the replacement intervals on the fluid is a maximum of 18 months in the vehicle.
SRF Racing is an ideal brake fluid for rally and racing and an exclusive Castrol product registered under patent worldwide.
Meets US federal standards FMVSS 116 DOT 3 and DOT 4, ISO 4925 Class 4, JASO JIS, K2233 Class 4 and current SAE J1703 specifications.
FMVSS 116 DOT 3
FMVSS 116 DOT 4
ISO 4925 Class 4
JASO JIS K2233 Class 4
SRF Racing is suitable for all disc and drum brake systems with the exception of those systems that use mineral-based oil.
It is possible to mix with ordinary DOT3 / 4 liquid but is not recommended, drain and flush the system completely before changing or refilling is recommended!