This looks like it might fit as a crank pulley, it's off a '91 Toyota Seca power steer pump.

SC14 Toyota Supercharger

1. To get the ... ... 8. Belt width ... 9. Pulley... 10. On the... 11. This looks ... 12. 91 Seca idler 13. You can see... 14. Custom... ... 30. I will join...

Slideshow