3933163 OEM GM Aluminum Intake 68 69 Big Block Chevy L78 396 L72 427 COPO Yenko
This is an original GM high performance aluminum intake manifolds for Big Block Chevy engines with rectangular port heads and a Holley carburetor. The casting number is 3933163 as shown. The casting date on the underside is 05019 which obviously can not be seen when installed. This is a very hard to find original GM 3933163 aluminum intake. This intake is in very good condition as shown. It is in bare aluminum finish with no paints or coatings and looks more like a piece of jewelry than a mechanical part. The part number, firing order, and all important Winter's Foundry casting mark are all intact and undisturbed. I see no…
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