Castrol

Castrol B373 designed for use in Limited Slip Diffs

Castrol Response DOT 4 brake fluid is specially formulated to meet the demanding requirements of modern high performance brake and clutch systems with the exception of vehicles with mineral oil systems. Castrol Response has a boiling point of 265 degrees celcius which enables the fluid to operate at a high level throughout its service life, offering system protection together with ultimate braking confidence. It is recommended that the brake fluid is to be changed every two years to optimise braking performance.

A direct replacement for the hugely popular SRF brake fluid, Castrol React SRF racing brake fluid is specially formulated to maximise braking performance in competition conditions. React SRF DOT 4 brake fluid has a very high boiling point of over 300 degrees celsius making this fluid ideal for even the most extreme conditions