I have a 1994 LT-1 that has what appears to be some kind of a "bleed" line attached to the back of each head. I would imagine this is ti insure that the heads don't have any air pockets, but not certain of this. What I am certain of is that the bolt(s) that hold the line onto the heads use 2 sealing washers that have a rubber center piece where the bolt passes through for sealing. Where can I find replacements? and what are they called? Hopefully my description is not too cryptic. Thank you.

 

 

you can find them here
https://www.pegasusautoracing.com/
I got them when I rebuilt my LT4, working great for 3 years now

 

Thank you very much. This is exactly what I’m looking for. These forums can be an amazing help. Thanks again.