Header Flanges

Header Flanges, Steel, 3/8 in. Thick, 1.75 in. Diameter Round Port, Chevy, LS, Pair

Part Number: SUM-670203

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

Header Flanges, Steel, 3/8 in. Thick, 2.0 in. Diameter Round Port, Chevy, Big Block, Pair

Part Number: SUM-670201

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Header Flanges, No Stubs, Steel, 0.375 in. Thick, 2 in. Port, Gaskets, Bolts, Chevy, Small Block, Pair

Part Number: PTE-H7895

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FLANGE, FLANGE SBC 2" STAHL, 5/16'' TH

Part Number: SCH-0145-5

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Header Flanges, Steel, 3/8 in. Thick, Ford, Small Block Windsor, with High Port® Heads, Pair

Part Number: TFS-51700801

3.6 out of 5 stars ( 5 )

Estimated Ship Date: Today

Header Flanges, Steel, 3/8 in. Thick, 2.00 in. Diameter Round Port, 7.3 Ford Godzilla 21'-up, Pair

Part Number: SUM-670204

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Header Flanges, No Stubs, Steel, 0.313 in. Thick, 1.625 in. Round Port, Gaskets, Bolts, Pair

Part Number: PTE-H7864

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Header Flanges, No Stubs, Steel, 0.375 in. Thick, 1.50 in. Port, Gaskets, Bolts, Chevy, 4.3L, Pair

Part Number: PTE-H7883

3.0 out of 5 stars ( 3 )

Estimated Ship Date: Mar 4, 2026 if ordered today

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Header Flanges, No Stubs, Steel, 0.375 in. Thick, 1.625 in. Port, Gaskets, Bolts, Pair

Part Number: PTE-H7831

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Estimated Ship Date: Mar 4, 2026 if ordered today

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Header Flange, Godzilla, Stock, Steel, 3/8 in. Thick, Round Port Shape, Ford, Pair

Part Number: MML-MNFD2302377

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HDR FLANGE CHEV OUTER SBC

Part Number: PTE-H7833

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Estimated Ship Date: Mar 4, 2026 if ordered today

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Header Flanges, No Stubs, Steel, 0.375 in. Thick, 1.875 in. Port, Gaskets, Bolts, Pair

Part Number: PTE-H7853

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Estimated Ship Date: Mar 4, 2026 if ordered today

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Header Flange, Mild Steel, 1/2 in. Thick, for Nissan, RB25, RB26, Each

Part Number: VPE-14625

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Header Flange, Mild Steel, 1/2 in. Thick, Audi, Volkswagen, 1.8T, Each

Part Number: VPE-14618

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Header Flange, Mild Steel, 1/2 in. Thick, Audi, 2.7T, 3.0L, Pair

Part Number: VPE-14627

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Header Flanges, No Stubs, Steel, 0.375 in. Thick, 2 in. Port, Gaskets, Bolts, Chrysler, Dodge, 354, 392, Pair

Part Number: PTE-H7837

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Estimated Ship Date: Mar 4, 2026 if ordered today

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Header Flanges, Mild Steel, .375 in. Thick, Chevy, Small Block, LS1/LS2/LS6/LS7, Each

Part Number: NAL-12480130

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Estimated Ship Date: Jun 8, 2026 if ordered today

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