Highest flowing sbm heads?

rmchrgr said
I have not read through this whole thing so I apologize if this is a re-hash but where do the Indy 360-1 or -2 heads fit in here?

Also, are the Bloomer heads readily available for purchase? As has been mentioned previously, there's no info out there on where you can get them, how much they cost, etc. Is he even still doing them? I have one of his 4" cranks in my 416", it's a nice piece.
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They were available to purchase, but last I heard there were only so many sets Cnc and there was a shortage of castings. Best bet would be to get in touch with rod. The price is variable because rod doesn’t have any preset spring options. He will pick, or you pick to suit your application. All said and done it’s about 3 ish k