Oil Pump?

Well...I found something...maybe. It's a high-dollar variable pitch sheave wheel from browning that has been discontinued...

I got it fo' next to nothing because it has been replaced by new version.

It's O.D. is 6.5 inches...should fit nicely and certainly looks the part... and maybe it combined with the other bits and pieces will work? (doesn't hurt to try I reckon.) It'll be here Tuesday.