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 )

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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

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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 )

Estimated Ship Date: Today

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Header Flanges, No Stubs, Stainless, 0.375 in. Thick, 1.875 in. Port, Each

Part Number: KOK-7046AS

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Header Flanges, No Stubs, Stainless 0.375 in. Thick, 1.625 in. Port, Each

Part Number: KOK-7028S

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Estimated Ship Date: Dec 30, 2025 if ordered today

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Header Flange, 304 Stainless Steel, 3/8 in. Thick, for use on Honda® Civic Si, K24, Each

Part Number: VPE-14224

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Header Flanges, No Stubs, Stainless, 0.375 in. Thick, 1.875 in. Port, Each

Part Number: KOK-7046BS

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Estimated Ship Date: Dec 30, 2025 if ordered today

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Header Flanges, No Stubs, Stainless, 0.375 in. Thick, 2.000 in. Port, Each

Part Number: KOK-7046-S2

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Estimated Ship Date: Dec 30, 2025 if ordered today

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Header Flanges, No Stubs, Stainless, 0.375 in. Thick, 1.750 in. Port, Each

Part Number: KOK-7046S

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Estimated Ship Date: Dec 30, 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: Dec 30, 2025 if ordered today

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