I wonder what diameter crank pulley? 7"-7 1/4" range is common for OE.

In general, Bouchillon has been helpful for me with pulleys, knows MOPARs and sells a bunch. I would give them a call.

FWIW My BB runs a ~5" fan/WP pulley from Bouchillon. It is a "with AC" setup.

https://www.bouchillonperformance.com/