I've been meaning to share this info for months now since I spoke to one of the very helpful guys at Power Brakes SA.
https://www.powerbrakes.com.au/brake-component-restorers
Turns out they have the ability to completely rebuild the all alloy VH24 Bendix boosters used in early Holdens up to EH. The diaphragms have been almost unobtainable over the last few years so they have found a replacement that works and can rebuild the whole thing for a bit over $600 (plus freight both ways. Still much, much cheaper than the ebay based alternatives and all you need is a decent booster to send them - no exchange.
Worth sussing out if you are wanting to go all original under the bonnet.
They are very polite and really know their stuff.
Trust this helps someone.
Dave Mac
Hi Dave,
Thanks for the information, it is very much appreciated.
Cheers
John
Being an Adelaide boy I’ve dealt with these guys on several occasions and thoroughly endorse the good words above.
Cheers
Clay
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Hi John and Clay.
Glad this thread has been seen and hopefully many more will as it is much better value to get your own parts reco-ed directly rather than have middlemen rake you for no reason.
The fellow I spoke to was more than helpful and gave me plenty of time on the phone - I was impressed with his depth of knowledge!
I'll definitely be using them
Cheers all, and God Bless our ANZACS
Dave Mac