I have a 1991 marine 454 in my 26' boat. I am looking to do some performance mods as indicated in my other posts. If I change to some beter OEM type heads, which would be better heads to go with? Or is there a better marine head I should go with.

I need low end torque, but still would like to rev to around 5500 rpms or so. Stock marine 454 has 330 hp, and I would like to bump that up. I eventually want to do a 496 stroker kit also, so these new heads would have to work with that as well. I would probably run a 850 Holley double pumper

Thanks.