I went through this topic to try and get the combo info all in one place. This is what was posted, so far:

514 CID
Mopar block with 4.440 bore and 4.150 stroke.
Indy MW EZ heads CNC ported by Modern Cyl Head, about 360 cfm.
Jesel rocker arms, 1.85 I and 1.70 E.
Solid roller cam with 266/272 duration.
Flat top pistons, gas ported
Compression around 12.4
Dry sump oil system

1150 cfm Holley Ultra Dominator
440-3X intake (will swap several)

Headers: ?? dia x ?? length x ?? collector dia