Nor'Easters need help, Hurricane straight, six flat head, jeep engine

[technicallyanOldguy]

Hi guys sorry if this is not allowed on the forum but I have a older friend that has been looking for a replacement Hurricane straight, six flat head, jeep engine. We are not this tech savy on the forums for sure can anyone help us find a replacement engine for this old girl. See pics. Many thanks in advance.
Jessadiah

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[americonium]

https://providence.craigslist.org/pts/d/kingston-willys-jeep-hurricane-engine/7626176181.html

Scam? I dunno. Good luck