Impulse Performance

Castrol React SRF Racing Brake Fluid

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  • $86.99
  • Regular price $99.95

Product SKU: CAS 12512

Castrol SRF is the ultimate racing brake fluid. Its unique silicon ester technology absorbs less water than conventional glycol ether fluids and prevents the fluid's high-temperature performance from deteriorating. It's high boiling point, ability to withstand extreme temperatures and superior resistance to the effects of absorbed water have established Castrol SRF Brake Fluid as the world's premier fluid for the hydraulic brakes used in all forms of motorsport and racing.

  • Typical dry boiling point: 608°F (320°C)
  • Typiical wet boiling point: 518°F (270°C)
  • Viscosity @ -40°C 1300 mm²/s
  • Viscosity @ 100°C 3.5 mm²/s

NOTE: In order to achieve the optimum benefits in such applications, advanced materials have been employed in a unique and patented Castrol formulation. The properties of this formulation are such that in order to derive maximum benefit the use of Castrol React SRF Racing should be restricted to not more than eighteen months before draining and refilling.

Castrol React SRF Racing is a high performance brake fluid of special value in competitive motor sport where extreme braking conditions are encountered. It is an exclusive Castrol product registered under patents in many countries. Castrol React SRF Racing 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.