A518 46RH rebuild

There's a "cores" place by me, I needed a pump and front clutch drum for the 46re I'm doing, and they had them and were cheap. Cost me $40 for both and I didn't just get the drum, I got the input shaft and inner hub with it. Only 6-7 miles from home. Place called KB cores, I do believe they ship. But if you ask for a 46re they'll tell you they don't have.
Just like the trans parts places they still call them a "518". I called and asked about "46re" and was told over the phone they haven't had any of them in a while (some woman that I think works in another department maybe), I took a chance and stopped by on my way home from work they had a bunch