Castrol React SRF Racing Brake Fluid - 1L

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Castrol React SRF Racing Brake Fluid is a premium DOT 4, high-performance brake fluid engineered for racing, rally, and extreme track conditions. Formulated with a proprietary sili cone-ester base, SRF delivers industry-leading boiling points—around 320°C dry and 270°C wet—providing consistent brake performance even under the most punishing thermal loads. It offers outstanding resistance to vapor lock, brake fade, and fluid degradation, making it ideal for motorsport use and high-horsepower performance builds. Supplied in a large 1-liter bottle, perfect for full system flushes or multi-day track events. Show more