xs2 tank

Restoring an XS2, but have a problem. One of the tabs sticking back from the fuel filler neck broke. The pin that holds the cap's latch goes through one tab and into the other. Glued the piece with JB Weld, but it only held for a short time. Does anyone have a fix for this? It' looks like cast...

Hey gang-- It's my first post here, so sorry for doing it in the classifieds section, but first things first I guess... I am in dire need of a 1972 red and white gas tank. Doesn't have to be perfect, but no dents and serviceable on the inside is a strong desire. My current tank is beyond...