Just in-case someone is looking NOT MINE!

[Blind Squirrel]

Mopar 71 six pack

 

[brian6pac]

340 440 ?
Never heard of a number's matching crate motor ?

 

[Blind Squirrel]

I have no unearthly idea (not mine as stated). Maybe it matches a sales receipt. Best bet would maybe be contact the listing party and report back?

 

[MoparMike1974]

Sounds like a replacement engine....which would probably not have any numbers stamped in it.

 

[H22A4]

That’s quite a potential price range he’s asking.... a running pre ‘70 muscle car..... ford, chev or Chrysler. $5k to $250k!