World Products Merlin cylinder heads for big Chevys combine large intake runners with open combustion chambers to produce good torque and low-end power. The heads are available assembled or bare; rectangular or oval; with or without intake/exhaust valves; and other options. Order the model that best suits your application.

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Trick Flow Cylinder Head, PowerPort 175, CNC Street Ported, Bare, 70cc CNC Chambers, For Ford 390, 406, 427, 428, Each

Trick Flow Cylinder Head, PowerPort 175, CNC Street Ported, Bare, 70cc CNC Chambers, For Ford 390, 406, 427, 428, Each

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