Doug's Headers Header Flange 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, D-Port, Pontiac, V8, Pair

Part Number: DOU-HG9342

5.0 out of 5 stars ( 1 )

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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, Round Port, Pontiac, V8, Pair

Part Number: DOU-HG9343

5.0 out of 5 stars ( 4 )

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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 )

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

Part Number: DOU-HG9106

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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

Part Number: DOU-HG9303

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Gaskets, Header Flange, Compressed Fiber Laminate, Rectangle Port, Ford, Mercury, Small Block/351W, Pair

Part Number: DOU-HG9248

5.0 out of 5 stars ( 3 )

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Gaskets, Header Flange, Compressed Fiber Laminate, Large Rectangular Port, Mopar Big Block, Pair

Part Number: DOU-HG9152

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Gaskets, Header Flange, Compressed Fiber Laminate, D-Port, Mopar, Hemi, Pair

Part Number: DOU-HG9692

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Gaskets, Header Flange, Compressed Fiber Laminate, Rectangle Port, Chevy, V8, 348-409, Pair

Part Number: DOU-HG9348

5.0 out of 5 stars ( 1 )

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Gaskets, Header Flange, Compressed Fiber Laminate, Oval Port, Ford, Lincoln, Mercury, 429, 460, Pair

Part Number: DOU-HG9211

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Gaskets, Header Flange, Compressed Fiber Laminate, Rectangle Port, Mopar, Big Block, Pair

Part Number: DOU-HG9151

5.0 out of 5 stars ( 2 )

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

Part Number: DOU-HG9351

4.0 out of 5 stars ( 1 )

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Exhaust Gaskets, Header Flange, Compressed Fiber Laminate, Chevy LS1, LS6, Pair

Part Number: DOU-HG9304

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Gaskets, Header Flange, Compressed Fiber Laminate, Ford FE, Pair

Part Number: DOU-HG9204

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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 23, 2026 if ordered today

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• Special Order

Gaskets, Header Flange, Compressed Fiber Laminate, Rectangle Port, Ford, Mercury, 390/427/428, Pair

Part Number: DOU-HG9203

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 23, 2026 if ordered today

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• Special Order

Gaskets, Header Flange, Compressed Fiber Laminate, 4-Barrel Port, Ford, Mercury, 351C, Pair

Part Number: DOU-HG9265

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Gaskets, Header Flange, Compressed Fiber Laminate, 2-Barrel Port, Ford, Lincoln, Mercury, 351C, 400M, Pair

Part Number: DOU-HG9215

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Gaskets, Header Flange, Compressed Fiber Laminate, Round Port, Pontiac V8, Pair

Part Number: DOU-HG9343LG

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Estimated Ship Date: Feb 23, 2026 if ordered today

• Drop Ship
• Special Order

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

Part Number: DOU-HG9322

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Gaskets, Header Flange, Compressed Fiber Laminate, Chevy LS7, Pair

Part Number: DOU-HG9306

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

• Drop Ship
• Special Order

Gaskets, Header Flange, Compressed Fiber Laminate, Rectangle Port, Ford, Mercury, 390/427/428, Pair

Part Number: DOU-HG9203LG

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Feb 23, 2026 if ordered today

• Drop Ship
• Special Order