CHEVROLET Doug's Headers Header and Exhaust Manifold Gaskets

Gaskets, Header Flange, Compressed Fiber Laminate, Rectangle Port, Chevy, Small Block, Pair

Part Number: DOU-HG9312

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

Gaskets, Header Flange, Compressed Fiber Laminate, Oval Port, Chevy, Small Block, Pair

Part Number: DOU-HG9301

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Gaskets, Header Flange, Compressed Fiber Laminate, Chevy, Round Port, Big Block, Pair

Part Number: DOU-HG9303LG

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Gaskets, Header Flange, Compressed Fiber Laminate, Large D-Port, Chevy, Big Block, Pair

Part Number: DOU-HG9313

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Gaskets, Header Flange, Compressed Fiber Laminate, Round Port, Chevy, Big Block, Pair

Part Number: DOU-HG9303

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Estimated Ship Date: Today

Gaskets, Header Flange, Compressed Fiber Laminate, Large Round Port, Chevy, Small Block, Pair

Part Number: DOU-HG9302

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Estimated Ship Date: Feb 20, 2026 if ordered today

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Gaskets, Header Flange, Compressed Fiber Laminate, Stock Port, Chevy, Small Block, Pair

Part Number: DOU-HG9322

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Estimated Ship Date: Feb 20, 2026 if ordered today

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Gaskets, Header Flange, Compressed Fiber Laminate, Round Port, Chevy, Small Block, Pair

Part Number: DOU-HG9300

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Estimated Ship Date: Feb 20, 2026 if ordered today

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• Special Order