$25 Off $250 / $50 Off $500, on Summit Racing Brand Products - Use Promo Code: BUILDIT

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Doug's Headers

Doug's Headers Header Flange Gaskets

4.93 out of 5 stars 29 Customer Reviews

Doug's premium header flange gaskets are made extra-thick from specially formulated gasket material. These gaskets are rated up to 1,100 degrees F and handle exhaust pressures of up to 3,700 psi. Each gasket is designed for an exact port match with Doug's headers.

Showing In Stock Items. Show All 7 Items.

Results 1 - 7 of 7

Doug's Headers Header Flange Gaskets HG9248

Doug's Headers Header Flange Gaskets HG9248

Doug's Headers Header Flange Gaskets HG9248

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 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Doug's Headers Header Flange Gaskets HG9351

Doug's Headers Header Flange Gaskets HG9351

Doug's Headers Header Flange Gaskets HG9351

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

Part Number: DOU-HG9351

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Doug's Headers Header Flange Gaskets HG9211

Doug's Headers Header Flange Gaskets HG9211

Doug's Headers Header Flange Gaskets HG9211

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: Jan 9, 2026 if ordered today

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Estimated Ship Date: Jan 9, 2026 if ordered today

Doug's Headers Header Flange Gaskets HG9203

Doug's Headers Header Flange Gaskets HG9203

Doug's Headers Header Flange Gaskets HG9203

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: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Doug's Headers Header Flange Gaskets HG9265

Doug's Headers Header Flange Gaskets HG9265

Doug's Headers Header Flange Gaskets HG9265

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

Part Number: DOU-HG9265

Not Yet Reviewed

Estimated Ship Date: Jan 9, 2026 if ordered today

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Estimated Ship Date: Jan 9, 2026 if ordered today

Doug's Headers Header Flange Gaskets HG9203LG

Doug's Headers Header Flange Gaskets HG9203LG

Doug's Headers Header Flange Gaskets HG9203LG

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: Jan 9, 2026 if ordered today

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Estimated Ship Date: Jan 9, 2026 if ordered today

Doug's Headers Header Flange Gaskets HG9215

Doug's Headers Header Flange Gaskets HG9215

Doug's Headers Header Flange Gaskets HG9215

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

Part Number: DOU-HG9215

Not Yet Reviewed

Estimated Ship Date: Jan 9, 2026 if ordered today

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Estimated Ship Date: Jan 9, 2026 if ordered today

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