• Castrol SRF is a high performance motor oil brake fluid, which was specially developed for meet the extreme requirements of motor racing.

Castrol SRF is a high performance motor oil brake fluid, which was specially developed for meet the extreme requirements of motor racing. A unique and patent pending Castrol Formula and the use of advanced ingredients achieve maximum product use under ex-stream conditions. Castrol React SRF Racing exceeds US Federal Standards FMVSS 116 DOT 3 and DOT 4, ISO 4925, JIS K2233 and SAE J 1703. Specifications: FMVSS 116 DOT 3, FMVSS 116 DOT 4, ISO 4925 (Class 4), SAE J1703, JIS K2233, Replaces SRF Racing Brake Fluid Specification: React SRF Racing/bottle Colour: Transparent.