tahoe214

So as the title says im looking for an aluminum driveshaft for my 99 obs tahoe. Im planning on swapping in a 9.5 sf instead of turning my 10 bolt into a full time posi. (Sorry for the ones who were looking at the post i made about that see the post i made about mpg and different options for it in the modification section.) So is there a factory aluminum driveshaft that i could get from the junkyard that will bolt up in my tahoe with the 9
5 save the exception of the conversion u joint i will need