I would like to know If I could get 450 hp out of my 1970 454 4 bolt engine on todays pump gas? I have a .30 454. and stock LS6 heads and the stock aluminum intake. If any one could give me a parts list of what pistons,cam crankshaft and carb I would need to get the engine back to stock 450 hp like it did in 1970 .

Built it to 454HO specs.

Yeah, it's pretty easy.

Thats easy to do. Do a search here for big block engine combos or something similar. There are hundreds of combo's that will work. Do lots of reading and choose what looks good to you.