1968 Barracuda Notch - Plano, TX

Biomedtechguy said

I'm guessing that's a little larger bore than the 4.50 with the same 4.25 stroke?
I'm calling it a 541 but it's a 540.7...

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440 Source
4.500” stroke x 4.380" bore
Use 2.2” journals and barely clears the cam. Needs plenty of block clearancing and an external oil pickup.