Depending on your budget, is what head to use. I'd get the best head I could afford. Are we still talking about a low 9sec. NA car? You best be looking at some serious heads. Look at what most NMRA HS guys run, or the few SB guys. I know what you are after, as this is what I did. You need to find a company, and work with them. This way, you don't get a mismatch set of parts. If you try to listen to everyone on the internet, you will have one AFR225, one Yates head, a Dominator with fuel injection, and who knows what else...... LOL!
XSRcylinderheads built nitrous 445".......5.32 @ 136 w/1.30 60ft (best 60 to date is 1.252)
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