niblik wrote:As jason aka classiccruiserspares has said, pretty sure it's a proportioning valve.churchill wrote:There must be a way to get it apart, never pulled one apart myself but will have to soon as I'm doing a disc conversion and they need to come out for that.
I've done a rear disc conversion. mine is running the stock proportioning valve and it all works a treat.
Did you remove the residual pressure valve when you did the conversion?