Honda FL 250 Water Cooled Head

#1
Is anyone familiar with these aftermarket heads? I ordered one and it has 8 holes in the head and the stock honda odyessy has seven will the last hole just be covered by the gasket or a I looking at getting it welded and machined? Any help is greatly appreiciated in advance
 
#2
I can't see your thumbnail image very well, but it appears to be a Rand head. You can use a 1976 CR250M copper gasket to match or cover the dowel hole with a stock FL250 gasket.

Stock FL250's did not come with two dowel holes from what I know. Some other jugs in that era did though.
 
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