440 hardware

hi folks i'm in the process of building a 440 from scratch. what i am looking for is the bolts and studs nuts and washers for one of these motors, i know i can get the main items from arp in one of there kits but i will still need for example oil pump,oil pan,distributor,valve cover ,timing cover,etc.
anyone have this stuff or any idea's? trying to find a 440 in a junk yard is impossible.
thanks
terry