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 3885069 as shown. The casting date on the underside is 11/14/67 which obviously can not be seen when installed. This is a very hard to find production dated 3885069 intake. This intake is in very good condition as shown. It is in bare aluminum finish with no paints or coating. The intake appears to wear its original finish, not blasted, so I decided to leave it as is for those after originality. The part number, firing order, and all important Winter's Foundry casting…

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 3885069 as shown. The casting date on the underside is 10/29/65 which obviously can not be seen when installed. This is a very hard to find production dated 3885069 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 breaks…