Try modern cylinder head. They don't have W2 listed as a CNC option but may well do it.
They don't have the eddies listed either, or W5, but know they do both of those

69 Dart GTS A4 Silver All steel, flat factory hood, 3360race weight
418 BPE factory replacement headed stroker, 565 lift solid cam
Best so far, low 10.30’s 1/4
1.41 best 60 foot
6.56 at 104.17