If you go crate engine, Scroggins is hard to beat.
Even with shipping, I got my 5.7 for $1k less than dealer 5 miles away from my house.

$5200 for a 5.7, and probably add another $500 for shipping. They didn't charge tax either.

https://sdparts.com/i-24502316-mopar-68303088ac-5-7l-345ci-hemi-long-block-crate-engine.html