so a friend of mine bought and installed the tick master cylinder and it works great. the only problem is that after about 2-3 days of driving, he says he has to readjust it because it moves position from where he has it set at. after the readjustment, it goes good for a few days and it happens again. my question is what can the problem be? thanks in advance for any and all help!

 

Did he lock down both lock nuts when he set the position?

 

As mentioned, make sure he tightens the nuts on either side of the adjustment rod when he's got it adjusted correctly. If he has any further problems, our tech support is here: http://tick-performance.com/tech/