Header Flanges - Steel Header Flange Material - Round Header Flange Port Shape - Free Shipping on Orders Over $109 at Summit Racing

Summit Racing™ Header Flanges SUM-670203

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 )

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Summit Racing™ Header Flanges SUM-670201

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 )

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Trick Flow® Header Flanges TFS-51700801

Trick Flow® Header Flanges TFS-51700801

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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Summit Racing™ Header Flanges SUM-670202

Header Flanges, Steel, 3/8 in. Thick, 2.00 in. Diameter Round Port, Chevy, LS, Pair

Part Number: SUM-670202

5.0 out of 5 stars ( 1 )

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Patriot Header Flange Kits H7864

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 )

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Patriot Header Flange Kits H7895

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

Part Number: PTE-H7895

Not Yet Reviewed

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Summit Racing™ Header Flanges SUM-670204

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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Patriot Header Flange Kits H7899

Header Flanges, No Stubs, Steel, 0.375 in. Thick, 2.000 in. Port, Gaskets, Bolts, Pair

Part Number: PTE-H7899

4.67 out of 5 stars ( 3 )

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Schoenfeld Header Flanges 0145-5

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

Part Number: SCH-0145-5

Not Yet Reviewed

Estimated Ship Date: May 21, 2025 if ordered today

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Estimated Ship Date: May 21, 2025 if ordered today

Patriot Header Flange Kits H7883

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 )

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Patriot Header Flange Kits H7833

HDR FLANGE CHEV OUTER SBC

Part Number: PTE-H7833

Not Yet Reviewed

Estimated Ship Date: May 9, 2025 if ordered today

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Estimated Ship Date: May 9, 2025 if ordered today

Schoenfeld Header Flanges 0177

Header Flanges, No Stubs, Steel, 0.250 in. Thick Flange, 1.625 in. Port, Each

Part Number: SCH-0177

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 16, 2025 if ordered today

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Estimated Ship Date: May 16, 2025 if ordered today

Patriot Header Flange Kits H7837

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

Part Number: PTE-H7837

Not Yet Reviewed

Estimated Ship Date: May 30, 2025 if ordered today

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Estimated Ship Date: May 30, 2025 if ordered today

Schoenfeld Header Flanges 0603-5

Header Flanges, No Stubs, Steel, 0.313 in. Thick, 1.875 in. Port, Each

Part Number: SCH-0603-5

Not Yet Reviewed

Estimated Ship Date: May 16, 2025 if ordered today

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Estimated Ship Date: May 16, 2025 if ordered today

Mast Motorsports Godzilla Header Flanges MN-FD2-302377

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

Part Number: MML-MNFD2302377

Not Yet Reviewed

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Schoenfeld Header Flange Adapters 0133

Header Flanges, Outer Flange, No Stubs, Steel, 0.250 in. Thick, 1.875 in. Port, Each

Part Number: SCH-0133

Not Yet Reviewed

Estimated Ship Date: May 16, 2025 if ordered today

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Estimated Ship Date: May 16, 2025 if ordered today

Schoenfeld Header Flanges 0146

Header Flanges, Outer Flange, No Stubs, Steel, 0.250 in. Thick, 2.125 in. Port, Each

Part Number: SCH-0146

Not Yet Reviewed

Estimated Ship Date: May 16, 2025 if ordered today

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Estimated Ship Date: May 16, 2025 if ordered today

Vibrant Performance Exhaust Manifold Flanges 14627

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

Part Number: VPE-14627

Not Yet Reviewed

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Vibrant Performance Exhaust Manifold Flanges 14625

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

Part Number: VPE-14625

Not Yet Reviewed

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Schoenfeld Header Flanges 0603WS

Header Flanges, Steel, 0.313 in. Thick, 1.875 in. Port, Each

Part Number: SCH-0603WS

Not Yet Reviewed

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Vibrant Performance Exhaust Manifold Flanges for 2010-2014 GENESIS COUPE, 2015-2019 SONATA - 14634

Header Flange, Mild Steel, 1/2 in. Thick, for Hyundai, Theta, Each

Part Number: VPE-14634

Not Yet Reviewed

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Schoenfeld Header Flanges 01091

Header Flanges, No Stubs, Steel, 0.250 in. Thick, 1.500 in. Port, Each

Part Number: SCH-01091

4.0 out of 5 stars ( 1 )

Estimated Ship Date: May 16, 2025 if ordered today

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Estimated Ship Date: May 16, 2025 if ordered today

Vibrant Performance Exhaust Manifold Flanges 14618

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

Part Number: VPE-14618

Not Yet Reviewed

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Patriot Header Flange Kits H7831

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

Part Number: PTE-H7831

Not Yet Reviewed

Estimated Ship Date: May 30, 2025 if ordered today

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Estimated Ship Date: May 30, 2025 if ordered today

Patriot Header Flange Kits H7853

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

Part Number: PTE-H7853

Not Yet Reviewed

Estimated Ship Date: May 30, 2025 if ordered today

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Estimated Ship Date: May 30, 2025 if ordered today