Need water pump pulley for 72 318 w/pwr steering

My title said "318" as that's the figures I've used for parts for the Duster in general but it's actually a 360, could not get back to title to change the post, sorry.
Anybody have a water pump pulley. The center of the "V" groove has to set back from fan mounting face 2-3/8" and can't be any larger in diameter than 6 - 9/16". Any bigger than that and the crank and wp pulley will hit. The outside crank pulley will run the PS, I have a double pulley alt and are currently running it off the outside crank pulley. The inside pulley will run it just fine but I need the WP pulley to make it happen then I can set up the PS Thanks in advance guys. (and Gals) :banghead: