Originally Posted by Griff

I don't have those plugs either. The longer one looks like some type of drain.
I've never had any water in my Stelling boxes, but have heard of water getting into other peeps Imco boxes.

Originally Posted by Keith Atlanta

In your picture, there is a gold "hub". In my application, the hub is bolted to the flywheel and the u-joint 4 bolts bolt directly to it. So, yes, its direct to the flywheel. Metal to Metal. The key to these boxes is to get the carrier aligned with the driveshaft and keep it good and tight. Once its dialed in they last many years. There is a company that makes that gold coupler out of a polymer called Globe Products - but I never got around to installing one.

Originally Posted by tmmii

Getting ready to get mine on, how do I do the alignment?

Originally Posted by JaayTeee

There’s shims that go between the carrier and the box, if it’s currently assembled, check it with an alignment tool and see where it’s at..... it one of those things that should only have to be done during the initial assembly when it was new.