Missing cover behind flywheel

[kristio]

Change my clutch and took off my flywheel. Found a hole and wondering what is the part number for the cover?
Behind my flywheel

Video with it(Chrisfixit)

 

[96blak54]

Thats a good question. Ive never looked for a replacement, but you got me curious what the part is called and if a replacement is available

 

[96blak54]

Is this it? F65Z-6C070-AB

https://lmr.com/item/LRS-6C070/mustang-converter-inspection-plug-96-14

 

[kristio]

I believe it might be the converter inspection plug