hey there guys i did a search for a master cyclinder and there was a post that said the ITR/GSR master cylinder was the same isnt the ITR 1" and the GSR 15/16" guys please get back to me im lookin in to buyin a ITR master and booster thanks and one more thing what porpoing valve do i need for a 5 bolt 40/40 right what porping valve somes with a delsol si thanks again guys

 

Clutch or brake?

 

brake cylinder