It is rectangle port and for standard deck heads. It’s in perfect shape with no porting, no cracks or welds and no stripped threads anywhere. It’s a real nice beefy thick manifold that will.
Dart Single Plane Dominator Flange Intake Manifold Big Block Chevy P/N 41124000
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Pair of B&M Mega Blower Single 4500 Dominator Carburetor Adapters
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