Originally Posted By Alaskan_TA
I dug out the two I had. One is from a car without AC & the other had AC.

The pulleys are different on mine.

The non AC version has curved spokes.

The AC version has flatter spokes.

Rough guess without measuring is close to a 1/2 offset difference between the two.

If needed I can put them in the parts washer for a cleanup & get photos.
The pulley on mine is sitting about a half inch to far forward, looks like I have an a/c pulley on the pump from your info. Thanks for checking.