408 stroker vs. 500 stroker Challenge fun!!

for big block go to 440 source i think they make 572 kit for big block i have the 500 cube kit for 5 years know no problems go to a solid roller engin way better throttle response air gap intake qf carb 850 and up size wise i just bilt a small block for 12 grand 426 though is awsome but you will buld a big bolck cheaper and go with eddey heads but i think your price is a little off your looking at aleast 3500-4500 engin alone there is a tranny company going to get you the name later tranny cost me 1800 for it but life time warrnanty what gear you got and what power band you looking for 2500-6500 or higher,it all going to need to be a combo ????????