Quote:

Only Dodge hemi (241, 270, 315, 325) heads fit Dodge poly (241, 259, 315, 325) blocks.
Only Chrysler hemi (331, 354, 392) heads fit Chrysler poly (301, 331, 354) blocks.
No original hemi head, of any brand, fits Plymouth etc. poly A (277, 301, 303, 313, 318, 326) or LA (273, 318, 340, 360) blocks.
DeSoto hemi (276, 291, 330, 341, 345) heads don't fit any poly blocks.



QFT.

Bore spacing is different. I checked on 'em all, because I was thinking of doing a swap onto a later lower end if possible (less weight and less $$$).

-bill


Seduce the attractive, and charm the rest. ****** 489 C.I.D., roller cam, aftermarket heads, tunnel ram, stock '54 Dodge rear axle assembly: which of these doesn't belong?