Cam degree wheels

Hi guys, sorry not sure whether sb or bb?? I'm open to learning lol. They are both 7" diameter. MP one has 7/8" hole, Mr Gasket is 3/4". No part numbers or packaging.
Thanks.
what diameter are they?

ill take it if its for a small block

Good evening, I will take the one written on please if still available , and if it for small block
:thankyou:

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