Which heads to run on 340

I would like to run mid to upper 11's. Drive on the street sometimes not alot tho. Tunnel isnt just for looks i also feel you can get more performance out of them (i know thats a huge debate of its own lol) would prefer pump gas but if i have to run race gas its fine with me. I have a tunnel ram currently a TR-5 with twin 450 vac secondaries and also have a set of 600 vac secondaries if needed.