rear master cylinder

[jerry]

Hello
I have a 79 Honda cb750f and the rear master cylinder need to be rebuilt I finally got it apart and the inside of it is scored does anybody know where I might be able to get another cylinder body there is nothing on ebay or will the cylinder from another bike work and fit on this bike
thank you

[Re-run]

Well if you are talking masters, then as long as you can rig up a way to mount it and actuate it, then any master will do. It must be scored really bad to be unusable. Generally a rebuild kit works well enough.

Otherwise, a master from any 79-82 f should fit I would think.