Mine has 4 or 5 cracks, don't know how it stayed on! I just ordered a new one from Kim Weckerly:

https://www.precision-welding.com/

It is an owner produced part somehow. $200 plus shipping. I will have to install the nutplates, but that should be easy.



Topp Robertson N8366J '67 150G "Kermit"
Flat Bush Airpark, XA99, near Paradise TX