I'm going to be installing a serpentine belt kit and they use a Type II pump. Before I planned on this route I was going to upgrade to an AGR unit, which would have been a Saginaw, IIRC.

How do the Type II pumps compare to the stock pump and to the AGR pump?

i don't know but u can call AGR tech line they should have the answers?
here's the # 817.626.9006

Ah! The dreaded "Call tech support" response. ;)
That's like saying "Read the directions."