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Moparts performance aluminum heads,



The heads are the MP 383/440 replacement heads, think a stage 6 but with a stock port location... flow 290ish at .600, I don't know if the ports cross section will support 600hp ...




Those heads are SMALL for 544 cubes, and I believe I'm the one that did the porting on them back before JohnRR bought 'em.



nice job!,t
your work was fantastik