sold out quick view Call for Availability Brake Fluid 1 Litre 1945-1980 Year Models (RR363) MSRP: $99.01 Castrol RR363 is a conventional synthetic brake fluid blended with castor oil for added lubricity. 1 Litre bottle of RR363 hydraulic brake fluid. This is the correct fluid for all post-War cars up to 1980 (prior to introduction of mineral... Call for Availability