Header Flanges

Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Chevy Big Block, Fits 1.875 in. Primaries, Pair

Part Number: STW-HFBBC188

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Estimated Ship Date: Sep 8, 2025 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: Aug 18, 2025 if ordered today

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Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Chevy, LS1/LS6, Fits 1.625 in. Primaries, Pair

Part Number: STW-HFLS1163

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Estimated Ship Date: Sep 9, 2025 if ordered today

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Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Chevy, LS1/LS6, Fits 2 in. Primaries, Pair

Part Number: STW-HFLS1200

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Estimated Ship Date: Sep 9, 2025 if ordered today

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Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Chevy, LS7, Fits 1.875 in. Primaries, Pair

Part Number: STW-HFLS7188

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Estimated Ship Date: Sep 9, 2025 if ordered today

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Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Ford Small Block, Fits 1.875 in. Primaries, Pair

Part Number: STW-HFSBF2188

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Estimated Ship Date: Sep 9, 2025 if ordered today

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Header Flanges, Outer Flange, No Stubs, Stainless, 0.375 in. Thick, 1.750 in. Port, Gaskets, Bolts, Each

Part Number: KOK-7011CS

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Estimated Ship Date: Sep 3, 2025 if ordered today

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Header Flanges, Outer Flange, No Stubs, Stainless, 0.375 in. Thick, 1.875 in. Port, Gaskets, Bolts, Each

Part Number: KOK-7011DS

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Estimated Ship Date: Sep 3, 2025 if ordered today

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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: Tomorrow if ordered today

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Header Flanges, No Stubs, Steel, 0.313 in. Thick, 1.750 in. Port, Gaskets, Bolts, Pair

Part Number: PTE-H7892

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Aug 1, 2025 if ordered today

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

Part Number: SCH-01032

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Header Flanges, Steel, 0.313 in. Thick, 1.625 in. Port, No Stubs, Each

Part Number: SCH-01101-5

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Estimated Ship Date: Jul 31, 2025 if ordered today

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Header Flanges, No Stubs, Steel, 0.250 in. Thick, 1.750 in. Port, Each

Part Number: SCH-0106

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Estimated Ship Date: Jul 28, 2025 if ordered today

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

Part Number: SCH-0107

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Estimated Ship Date: Jul 28, 2025 if ordered today

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Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Ford V6, 3.5L, Fits 1.625 in. Primaries, Pair

Part Number: STW-HFMOP35V6163

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Estimated Ship Date: Aug 11, 2025 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: Sep 29, 2025 if ordered today

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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: Tomorrow if ordered today

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Header Flanges, 304 Stainless Steel, 3/8 in. Thick, 1.875 in. Diameter Round Port, Ford, Coyote, 5.0L, Pair

Part Number: SUM-670206-SS

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Aug 15, 2025 if ordered today

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Header Flanges, Steel, 3/8 in. Thick, 2.19 in.x 1.89 in. Port, Ford, 351C, Boss 302, Pair

Part Number: SUM-670194

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Estimated Ship Date: Aug 29, 2025 if ordered today

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Header Flanges, Steel, 3/8 in. Thick, 1.780 in. Oval Port, Ford, Small Block, 351W, Pair

Part Number: SUM-670195

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Aug 29, 2025 if ordered today

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Header Flanges, No Stubs, Steel, 0.250 in. Thick, 1.750 in. Port, Each

Part Number: SCH-0434

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Header Flanges, Steel, 0.250 in. Thick, 1.750 in. Port, Each

Part Number: SCH-0434WS

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

Part Number: SCH-0435

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Header Flanges, No Stubs, Steel, 0.250 in. Thick, 2.000 in. Port, Each

Part Number: SCH-0436

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Header Flanges, Steel, 0.250 in. Thick, 2.000 in. Port, Each

Part Number: SCH-0436WS

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