Header Flanges

Header Adapter Plates, Billet Aluminum, .500 in. Thick, Chevy, Small Block, Kit

Part Number: STF-60120

5.0 out of 5 stars ( 3 )

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Header Flanges, Steel, 3/8 in. Thick, 1.84 in. x 1.54 in. Oval Port, Chevy, Small Block, Pair

Part Number: SUM-670200

4.86 out of 5 stars ( 7 )

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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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Header Flanges, 304 Stainless Steel, 304, 3/8 in. Thick, 1.75 in. Diameter Round Port, Chevy, LS, Pair

Part Number: SUM-670203-SS

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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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Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Chevy Small Block, Fits 1.75 in. Primaries, Pair

Part Number: STW-HFSBCSQ175

5.0 out of 5 stars ( 1 )

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Header Flange, 304 Stainless Steel, 3/8 in. Thick, Chevy LS, Pair

Part Number: VPE-14332

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

Part Number: STW-HFSBCSQ1875

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

Part Number: SCH-0145-5

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Header Flanges, 304 Stainless Steel, 3/8 in. Thick, 1.84 in. x 1.54 in. Oval Port, Chevy, Small Block, Pair

Part Number: SUM-670200-SS

5.0 out of 5 stars ( 2 )

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Header Flanges, Inner Flange, Aluminum, 0.250 in. Thick, 1.250 in. Port, Each

Part Number: SCH-0101

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

Part Number: SCH-01101

5.0 out of 5 stars ( 1 )

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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, 0.250 in. Thick, 1.875 in. Port, Each

Part Number: SCH-0112

5.0 out of 5 stars ( 1 )

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

Part Number: PTE-H7893

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Mar 4, 2026 if ordered today

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Header Flange, Mild Steel, 1/2 in. Thick, for use on Honda®, K-Series, Each

Part Number: VPE-14610K

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Header Flange, 304 Stainless Steel, 3/8 in. Thick, Subaru, EJ20, Pair

Part Number: VPE-14220S

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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 Flanges, Exhaust Manifold Flanges, Stainless, 0.375 in. Thick, Designed Specifically for Porsche 996/911 Engines, Porsche, 3.4L/3.6L/3.8L, Pair

Part Number: VPE-14296

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Estimated Ship Date: Mar 18, 2026 if ordered today

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Header Flange, Stainless Steel, 3/8 in. Thick, for use on Honda®, K20 Engine with standard exhaust ports, Each

Part Number: SUM-670208-SS

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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, 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: Mar 4, 2026 if ordered today

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Header Flange, Mild Steel, 1/2 in. Thick, for Nissan, SR20DE, Each

Part Number: VPE-14620N

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Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Chevy, LS1/LS6, Fits 1.75 in. Primaries, Pair

Part Number: STW-HFLS1175

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Estimated Ship Date: Apr 13, 2026 if ordered today

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