Header Flanges - Stock Header Bolt Pattern - 3/8 in. Header Flange Thickness (in.) - Free Shipping on Orders Over $109 at Summit Racing

Stainless Works Header Flanges HFBBC225

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

Part Number: STW-HFBBC225

Not Yet Reviewed

Estimated Ship Date: Monday 5/5/2025

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Estimated Ship Date: Monday 5/5/2025

Summit Racing™ Header Flanges SUM-670202-SS

Header Flanges, 304 Stainless Steel, 3/8 in. Thick, 2.00 in. Diameter Round Port, Chevy, LS, Pair

Part Number: SUM-670202-SS

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 5/5/2025

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Estimated Ship Date: Monday 5/5/2025

Summit Racing™ Header Flanges SUM-670200

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 )

Estimated Ship Date: Monday 5/5/2025

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Estimated Ship Date: Monday 5/5/2025

Summit Racing™ Header Flanges SUM-670203-SS

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

Part Number: SUM-670203-SS

Not Yet Reviewed

Estimated Ship Date: Monday 5/5/2025

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Estimated Ship Date: Monday 5/5/2025

Summit Racing™ Header Flanges SUM-670203

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 )

Estimated Ship Date: Monday 5/5/2025

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Estimated Ship Date: Monday 5/5/2025

Summit Racing™ Header Flanges SUM-670201

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: Monday 5/5/2025

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Estimated Ship Date: Monday 5/5/2025

Summit Racing™ Header Flanges SUM-670201-SS

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

Part Number: SUM-670201-SS

Not Yet Reviewed

Estimated Ship Date: Monday 5/5/2025

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Estimated Ship Date: Monday 5/5/2025

Stainless Works Header Flanges HFSBFBTADAPT

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

Part Number: STW-HFSBFBTADAPT

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 5/5/2025

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Estimated Ship Date: Monday 5/5/2025

Stainless Works Header Flanges HFFORD5.0175

Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Ford, 5.0L/5.2L, Coyote, Voodoo, Fits 1.75 in. Primaries, Pair

Part Number: STW-HFFORD5-0175

Not Yet Reviewed

Estimated Ship Date: Monday 5/5/2025

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Estimated Ship Date: Monday 5/5/2025

Kooks Headers Header Flanges 7046-AS

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

Part Number: KOK-7046AS

Not Yet Reviewed

Estimated Ship Date: Monday 5/5/2025

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Estimated Ship Date: Monday 5/5/2025

Summit Racing™ Header Flanges SUM-670200-SS

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 )

Estimated Ship Date: Monday 5/5/2025

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Estimated Ship Date: Monday 5/5/2025

Stainless Works Header Flanges HFBBC212

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

Part Number: STW-HFBBC212

Not Yet Reviewed

Estimated Ship Date: Monday 5/5/2025

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Estimated Ship Date: Monday 5/5/2025

Summit Racing™ Header Flanges SUM-670204SS

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

Not Yet Reviewed

Estimated Ship Date: Monday 5/5/2025

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Estimated Ship Date: Monday 5/5/2025

Summit Racing™ Header Flanges SUM-670202

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: Monday 5/5/2025

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Estimated Ship Date: Monday 5/5/2025

Vibrant Performance Exhaust Manifold Flanges 14331D

MANIFOLD FLANGES

Part Number: VPE-14331D

Not Yet Reviewed

Estimated Ship Date: Monday 5/5/2025

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Estimated Ship Date: Monday 5/5/2025

Summit Racing™ Header Flanges SUM-670204

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

Part Number: SUM-670204

Not Yet Reviewed

Estimated Ship Date: Monday 5/5/2025

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Estimated Ship Date: Monday 5/5/2025

Summit Racing™ Header Flanges SUM-270205ST

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

Part Number: SUM-270205ST

Not Yet Reviewed

Estimated Ship Date: Monday 5/5/2025

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Estimated Ship Date: Monday 5/5/2025

Stainless Works Header Flanges HFBBF1225

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

Part Number: STW-HFBBF1225

Not Yet Reviewed

Estimated Ship Date: Monday 5/5/2025

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Estimated Ship Date: Monday 5/5/2025

Patriot Header Flange Kits H7899

Header Flanges, No Stubs, Steel, 0.375 in. Thick, 2.000 in. Port, Gaskets, Bolts, Pair

Part Number: PTE-H7899

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 5/5/2025

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Estimated Ship Date: Monday 5/5/2025

Vibrant Performance Exhaust Manifold Flanges 14332

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

Part Number: VPE-14332

Not Yet Reviewed

Estimated Ship Date: Monday 5/5/2025

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Estimated Ship Date: Monday 5/5/2025

Stainless Works Header Flanges HFSBCSQ1875

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

Part Number: STW-HFSBCSQ1875

Not Yet Reviewed

Estimated Ship Date: Monday 5/5/2025

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Estimated Ship Date: Monday 5/5/2025

Summit Racing™ Header Flanges SUM-670207-SS

Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Chevy, LT1/LT4, Fits 2 in. Primaries, Pair

Part Number: SUM-670207-SS

Not Yet Reviewed

Estimated Ship Date: Monday 5/5/2025

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Estimated Ship Date: Monday 5/5/2025

Stainless Works Header Flanges HFSBF1

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

Part Number: STW-HFSBF1

Not Yet Reviewed

Estimated Ship Date: Jun 3, 2025 if ordered today

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Estimated Ship Date: Jun 3, 2025 if ordered today

Stainless Works Header Flanges HFSBCSQ175

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 )

Estimated Ship Date: Monday 5/5/2025

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Estimated Ship Date: Monday 5/5/2025

Stainless Works Header Flanges HFJP61188

Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Hemi 5.7L/6.1L/6.4L, Fits 1.875 in. Primaries, Pair

Part Number: STW-HFJP61188

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 5/5/2025

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Estimated Ship Date: Monday 5/5/2025