Brake repair kit for p38A Range Rovers, includes 2 new stainless steel washers and needed o-rings to rebuild your Brake Modulator. Early p38A's used plastic locating washers which have begun to fail catistrophically, resulting in a complete loss of hydraulic brakes (hand brake is un-affected). This is a detailed repair, if you have ANY doubts as to your ability to correctly perform this repair please take your Range Rover to a certified mechanic for repairs. For details of the development process and customer feedback please see this thread: