I have had to deal with brake slaves and master (and clutch cylinders
too on other cars) over the past 40 years or so.  Back in the 1970s,
there was a crowd who bored out the cylinders and inserted a brass
sleeve.  This brought the specs back to new.

These days, the process is done with stainless steel.  My experience
here in Australia is that this has been cheaper than buying new
cylinders (unless it is a Brazilian rear brake cylinder!!).  The
returned unit is like brand new, but the bore should never corrode.
The only "down" side to this is that I have found that if some years
later I have to buy a "rebuild kit" (boots, seals etc) it can be more
expensive than buying a whole new unit!!  Crazy.

On the other hand, if I can find someone who has the individual boots,
seals etc,and I can identify what they are, the cost is only a few
dollars.

FWIW

Dave,
downunder

2008/12/8 Trooz <trooz@roadrunner.com>:
> Are these rebuildable on the vanagons?
>
> Any list vendors have rebuild kits available?
>
> Bob Trousdale
> '90 Westy
>
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