rb25det parts

i have this burning question......could you use rb26 cams,conrods, pullys, etc basically what rb26 parts could i purchase to fit the rb25. i understand it runs a T3 flange and is the same block, i also understand that the heads are slightly different.. could i use rb26 pistons or conrods? some please let me know so i could hurry up price the parts for the motor i just purchase....