Crankshaft info and numbers?

I'm toying around and learning a little but I was on Bryant Crankshafts website and was seeing what all numbers it takes to custom order a crank. (Never done that nor do I personally know anyone that has custom ordered a crank) I have most numbers put in but the crankshaft counterweight count has me stumped and I feel stupid for having to ask but what's the factory counterweight count on a small block crank? 6 or 8? I would assume 8, one for each piston but like I said. Learning. So pitch in as much info and number that you can as well for this form.
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