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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.

Results 1 - 2 of 2

Gaskets, Header Flange, Compressed Fiber Laminate, Rectangular Port, Buick V8, Pair

Part Number: DOU-HG9400

Not Yet Reviewed

Estimated Ship Date: Feb 26, 2026 if ordered today

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Estimated Ship Date: Feb 26, 2026 if ordered today

Gaskets, Header Flange, Compressed Fiber Laminate, Rectangular Port, Buick V8, Pair

Part Number: DOU-HG9401

Not Yet Reviewed

Estimated Ship Date: Feb 26, 2026 if ordered today

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Estimated Ship Date: Feb 26, 2026 if ordered today

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