Quality control??

[junkyardhero]

 

[Newbomb Turk]

Guessing this plug is a leak filler in this 906 head that I've had since the 70's but I'm not gonna' remove it to find out.....
View attachment 1716493719

Yup. It’s not leaking so I wouldn’t even look at it knowing my luck.

It would think I was side eyeing it and it would start leaking just to irritate me.

I’m not poking that bear.