Header Flanges

Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Chevy Big Block, Fits 2.25 in. Primaries, Pair

Part Number: STW-HFBBC225

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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, 304 Stainless Steel, 3/8 in. Thick, 2.0 in. Diameter Round Port, Chevy, Big Block, Pair

Part Number: SUM-670201-SS

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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, 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, 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 Flanges, 304 Stainless Steel, 3/8 in. Thick, Chevy Big Block, Fits 2.125 in. Primaries, Pair

Part Number: STW-HFBBC212

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Header Flanges, 304 Stainless Steel, 3/8 in. Thick, 1.875 in. Diameter D-Port, Mopar Hemi Gen III, Pair

Part Number: SUM-270205ST

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

Part Number: STW-HFBBC175

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Estimated Ship Date: Apr 23, 2026 if ordered today

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

Part Number: STW-HFBBC200

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Estimated Ship Date: Apr 21, 2026 if ordered today

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Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Ford Big Block, Fits 2.25 in. Primaries, Pair

Part Number: STW-HFBBF1225

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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: Apr 21, 2026 if ordered today

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Exhaust Manifold Flange, Stainless Steel, 0.375 in. Thickness, Each

Part Number: VPE-14336

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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 30, 2026 if ordered today

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

Part Number: STW-HFSBF2

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Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Ford Small Block, Fits 1.625 in. Primaries, Pair

Part Number: STW-HFSBF1

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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, 304 Stainless Steel, 3/8 in. Thick, 2.000 in. Diameter D-Port, Mopar Hemi Gen III, Pair

Part Number: SUM-270209ST

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Header Flanges, 304 Stainless Steel, 3/8 in. Thick, 2.00 in. Diameter Round Port, 7.3 Ford Godzilla 21'-up, Pair

Part Number: SUM-670204SS

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Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Chevy, LS7, Fits 2 in. Primaries, Pair

Part Number: STW-HFLS7200

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Estimated Ship Date: Apr 23, 2026 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 Flange, 304 Stainless Steel, 3/8 in. Thick, for use on Honda®, B-Series, Each

Part Number: VPE-1460

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Header Flanges, Exhaust Manifold Flanges, Stainless Steel, Stock Flange Port Shape, Designed Specifically for Porsche 911 and 930 Engines, Set of 6

Part Number: VPE-14930

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MANIFOLD FLANGE Exhaust Manifold Flange for Audi 2.7T, 3/8" Thick - Sold in Pairs

Part Number: VPE-14227

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