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Castrol SRF Brake Fluid - 1 litre
The Model 3 braking system is filled with DOT3 fluid at the factory. If your brakes reach a high temperature, which they will on track, DOT3 may boil resulting in loss of performance and a 'long pedal'. For track use, we recommend using racing brake fluid and Castrol SRF is widely acknowledged to be the best.
The Model 3 Performance requires approx. 1.5 litres of new brake fluid to replace the existing fluid completely. We recommend draining the system and flushing with a small amount of new fluid before refilling and bleeding, so you will need to order 2 x 1 litre bottles.
Castrol React SRF Racing brake fluid 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 exceeds US Federal Standards FMVSS 116 DOT 3 and DOT 4, ISO 4925, JIS K2233 and current SAE J 1703 specifications.
Castrol React SRF has been especially formulated to maximise braking performance under arduous competitive conditions. In order to achieve the optimum benefits in such applications, advanced materials have been employed in a unique and patented Castrol formulation. The use of Castrol React SRF should be restricted to not more than eighteen months before draining and refilling for maximum efficiency. Prolonged use in excess of the recommended period may give rise to a deterioration in performance at very low temperatures. Castrol SRF is suitable for all disc and drum brake systems with the exception of those for which mineral oil is prescribed.