440 Source Head Opinions?

318willrun said

Price has jumped about 200 bucks! Jegs has them
ProMaxx Performance 9440: 440 MAXX Aluminum Cylinder Heads Big Block Chrysler (B/RB) - JEGS High Performance

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Jegs shows them to ship in roughly two weeks "pending manufacturer availability". I'd call Promaxx and ask if they have castings in stock. I'd be surprised if they do..