Found my spare spigot bearings, but I've looked the GM part number up in my HC parts book and it doesn't match, so take this with a pinch of salt.

GM: 90105743
Stamped on the end: A GERMANY F 86827 INA

Steve, isn't the HC spigot bearing a roller bearing? I'm sure mine are though I forgot to look.

Real name: Mike Edwards. Web site: www.firenza.net