I was gonna recommend to "de-mod" that braPersonally I think they are fugly, not to mention what they do to your paint. Ignore me if you're partial to it for sure.
But looks like your mod money is right there in your trunk. You have about everything to sell for a complete top swap. Or you might want to use those heads to have them ported as well as the lim and blower. What size pulley you have on now?