440 build help

ok i got a 440 out of a newyorker thats going in my duster this winter. im trying to get info on what if all i should do to motor these are items already bought.. msd dist. eddy rpm manifold gasket kit. reverse manuel valve body (727) valve covers. mini starter... i dont know if i should go into motor and do pistons or what not. motor runs great in newyorker so shouldnt have issues with it breaking on me.. so should i go into motor and if so what cam torque converter headers should i be looking at and im not trying to spend awhole lot but you know how that goes when building a mopar... and if possible what would you say it would run if i didnt get into the motor (1/4) times.... i have 72 duster 4.56 gears spooled ford 9" rear ladder bar, CE 3 way front qa1 in back.. not sure on wieght im guessing 3k give or take full caged car.. any more info let me know. thanks