CHEVROLET Kooks Headers Header Flanges

Header Flange, Stahl Pattern, 304 Stainless Steel, 0.375 in. Thick, 1.875 in. Primaries, Chevy Small Block, Each

Part Number: KOK-7034-S

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Estimated Ship Date: Today

Flange Big Block Chevrolet

Part Number: KOK-7041-250-S

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Estimated Ship Date: Jan 26, 2026 if ordered today

Header Flange, 3/8 in. Thick, Stainless, 1-7/8 in. Primary Tube, 23 Degree Chevy, Each

Part Number: KOK-7031-CS

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Estimated Ship Date: Jan 28, 2026 if ordered today

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Header Flanges, No Stubs, Stainless, 0.375 in. Thick, 2.125 in. Port, Each

Part Number: KOK-7040S

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Estimated Ship Date: Jan 28, 2026 if ordered today

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

Part Number: KOK-7046BS-2

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Estimated Ship Date: Jan 26, 2026 if ordered today

• Drop Ship
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Header Flanges, No Stubs, Stainless, 0.375 in. Thick, 2.375 in. Port, Each

Part Number: KOK-7042S

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Estimated Ship Date: Jan 28, 2026 if ordered today

• Special Order

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

Part Number: KOK-7031-FB-S

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Estimated Ship Date: Jan 28, 2026 if ordered today

• Drop Ship
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Header Flanges, No Stubs, Stainless, 0.375 in. Thick, 2.375 in. Port, Each

Part Number: KOK-7042AS

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Estimated Ship Date: Jan 26, 2026 if ordered today

• Special Order