Front wheel brake cyl....C8....
 

If my dwindling vision and my fading memory is still correct ...you will find the unusual star shaped adjustment wheel -brake cylinders listed on EBay.

They are listed as repro...last set sold for $67 US for the pair...

From the pictures I have seen in the parts manual and MB book.
they look the same.....

For comparison I paid $75 CDN each for C15 brake cylinders Wagner... and in stock at Malmsberg in Ottawa... they also had the larger rear models in stock as well.....go figure!!!!

I am bidding on the master cylinder he has listed although I am not sure if the model is identical..... I have asked for part number and cyl. bore size comfirmation from the seller with no reply yet....

So far I have not been able to identify the brake master cyl. form the old publications at Malmberg and have not sourced a replacement. If nay one has info to share or lead on what to look /ask for let me know...... other wise my master will go to John Stuart in Stoney Creek for SS sleeving.......

Bob C.