I'm also doing this ( have the headers) but no cylinder head to fit them on. I've read the link and am a bit curious why there should be any clearance issues on the bell housing. I should be able to tell you in a few Weeks. Or you could tell me sooner!
Top is apexi to suit na 8, NB maxim works, na8 stock.
I was going to avoid cutting them for resale purposes.
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