Ah...ok...got it.

WCS: PM how much for the GSR MC. ...and the GSR rad too!

So:
Need a GSR/ITR Master Cyliner.(off a GSR/ITR right?)
Proportioning valve(of off a EX with rear discs, or a GSR/ITR?)
Rear brake lines...getting those with the 5 lug(Goodridge SS)