11-05-2022, 06:09 PM

ponchjoe

Ultimate Warrior

Join Date: May 2003

Location: South of the Indy 500

Posts: 2,663

Anybody know what this is?

I pulled some heads off of a previously rebuilt 68 YD 400 and found this In a cooling hole. I’ve never run across something like it. And I don’t want to hear about the 8vr pistons. Thanks

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