Building W2 heads -need help

i just got a new pair of W2- 59 degree heads 70 cc open chamber
part #P4529446 these are bare heads i will be running these on a 408 stroker I am not sure exactly what i need to make them complete and am not sure if any machining needs to be done on these heads.I know you mopar race guys know what your doing i always get great advice from this forum i was also thinking self polishing these if possible :salute: