CVF has them. You have to call them. IIRC to do it one is actually a big block pulley. I’ve asked them to put a part number on it but they told me no one ever asked for them but me.
I've called and spoke to a couple different guys there. Everyone I spoke to said they do not carry a single v-groove set that'll overdrive the w/p for a small block Chrysler. I think they sell a serpentine belt setup that does though.
