BB crank pulley on a SB?

I believe so, except for some years had the "odd hole" and you can only get 5 bolts to fit. I once had an aftermarket AC on a 440, cast iron add-on pulley for the AC stacked in front of everything else. Bolted right on to the 340 when I swapped that in!!!

Now as to whether what you have will "line up" with whatever else you want to use..........don't know