i am new to the sight,  so thankyou to anyone who cares!  I have been all over the net reading bout air cooled cylinder heads.  i am trying to figure out what size cylinders i need for the heads i bought.  it has been so long since i bought these heads i cant remember what i got.  i assumed 85.5mm.  so i measured inside combustion chamber on head and measured 94mm.  So i was wondering if anyone could give me some advice on what exactly i am measuring.  Thanks for Reading this!!

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