318 Head Headache

I jumped into an old thread and it was suggested I would get better responses creating a new one with my car’s specific specs in mind. For context: my 71 demon is currently running a 318 that is .30 over with forged Keith Black Pistons. Eddy intake, Eddy AVS2 650 carb, Hughes whiplash cam (cam card below), hooker headers to 3” exhaust. Rear end is geared at 3.23. Trans has a small shift kit and stall in it (904 reverse manual valve body). My main question is heads. While the previous owner ported and gasket matched the stock iron heads and Eddy intake what would be the best option for heads for my setup. I’m not looking for a race car here… but the most performance I can get out of a drivable street muscle car. I’ve been looking at 340x heads, Eddy and truck flow heads on the aftermarket etc. unfortunately my knowledge isn’t as deep as it needs to be to make a sound decent decision here. Any help on best bang for the buck would be much appreciate. I can provide as much info as needed to make further suggestions etc.
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