Header Flanges

Header Flanges, Carbon Steel, 3/8 in. Thick, Ford Small Block, Fits 1.875 in. Primaries, Pair

Part Number: STW-HFSBFBTADAPT

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Header Flanges, Inner, Steel, 0.313 in. Thick, Gaskets, Bolts, Chevy, Small Block, Pair

Part Number: PTE-H7800

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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 )

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Header Flanges with Stubs, Mild Steel, 5/16 in. Thick, Square 1 3/4 in. Port, Chevy, Small Block, Kit

Part Number: HOK-11622HKR

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Nov 23, 2026 if ordered today

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Header Flanges, Header Flange Kits, Chevy Big Block Bolt Pattern, Steel, 0.375 in. Thick, 2.500 in. Port Size, Chevy, Big Block, Pair

Part Number: PTE-H7889

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Estimated Ship Date: Nov 27, 2026 if ordered today

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Header Flanges, Steel, 3/8 in. Thick, 2.000 in. Diameter D-Port, Mopar Hemi Gen III, Pair

Part Number: SUM-270209

5.0 out of 5 stars ( 1 )

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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: Nov 27, 2026 if ordered today

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Header Flanges, Steel, 3/8 in. Thick, 1.875 in. Diameter D-Port, Mopar Hemi Gen III, Pair

Part Number: SUM-270205

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Header Flanges, Header Flange Kits, Stock Bolt Pattern, Steel, 0.375 in. Thick, 2.000 in. Port Size, Ford Boss 302, 351, Pair

Part Number: PTE-H7845

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Estimated Ship Date: Nov 27, 2026 if ordered today

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Header Flanges, Header Flange Kits, Stock Bolt Pattern, Steel, 0.375 in. Thick, 1.875 in. Port Size, Chevy, LS7, Pair

Part Number: PTE-H7807

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Estimated Ship Date: Nov 27, 2026 if ordered today

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Header Flanges, No Stubs, Steel, 0.375 in. Thick, 1.75 in. Round Port, Gaskets, Bolts, Chevy, Small Block, Pair

Part Number: PTE-H7896

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Estimated Ship Date: Nov 27, 2026 if ordered today

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Header Flanges, No Stubs, Steel, 0.375 in. Thick, 2.125 in. Port, Gaskets, Bolts, Chevy, Big Block, Pair

Part Number: PTE-H7898

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Estimated Ship Date: Nov 27, 2026 if ordered today

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Header Flanges, Header Flange Kits, Stock Bolt Pattern, Steel, 0.375 in. Thick, 1.750 in. Port Size, Ford, FE, Pair

Part Number: PTE-H7847

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Estimated Ship Date: Nov 27, 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: Nov 27, 2026 if ordered today

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Header Flanges, Exhaust Manifold Flanges, Mild Steel, 0.500 in. Thick, Stock Flange Port Shape, Mitsubishi, 2.0L, 2.4L, Each

Part Number: VPE-14611

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VW/Audi 2.0FSI MS ManiFlang

Part Number: VPE-14620V

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HDR FLANGE CHEV OUTER SBC

Part Number: PTE-H7833

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Estimated Ship Date: Nov 27, 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: Nov 27, 2026 if ordered today

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Header Flanges, Header Flange Kits, Stock Bolt Pattern, Steel, 0.375 in. Thick, 1.750 in. Port Size, Ford, 351, 400M, 2BBL Heads, Pair

Part Number: PTE-H7844

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Estimated Ship Date: Nov 27, 2026 if ordered today

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Header Flanges, Header Flange Kits, Stock Bolt Pattern, Steel, 0.375 in. Thick, 1.750 in. Port Size, Ford, Big Block, Pair

Part Number: PTE-H7849

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Estimated Ship Date: Nov 27, 2026 if ordered today

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