Stainless Works Header Flanges

4.0 out of 5 stars 3 Customer Reviews

Stainless Works offers replacement header flanges for a variety of vehicle, engine block, and cylinder head-style applications. Laser-cut from heavy-duty 304 stainless steel (to resist warping from high heat), these flanges hold the primary tubes to the exhaust ports on your cylinder heads. Whether building or updating your exhaust system, these components will facilitate a quality installation. Order the header flanges recommended for fitment with your setup.

Showing In Stock Items. Show All 45 Items.

Results 1 - 25 of 38

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 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

Stainless Works Header Flanges HFBBCH250RSD

Header Flanges, 304 Stainless Steel, 3/8 in. Thick, 2.50 in. Diameter Round Raised Port, Chevrolet, BBC, Pair

Part Number: STW-HFBBCH250RSD

Not Yet Reviewed

Estimated Ship Date: Monday 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

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 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

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 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

Stainless Works Header Flanges HFSBFAFR200

Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Ford Small Block, AFR 225 Heads, Fits 2 in. Primaries, Pair

Part Number: STW-HFSBFAFR200

Not Yet Reviewed

Estimated Ship Date: Monday 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

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: Monday 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

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 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

Stainless Works Header Flanges HFSBFTFHP188

Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Ford Small Block, Trick Flow® High Port Heads, Fits 1.875 in. Primaries, Pair

Part Number: STW-HFSBFTFHP188

Not Yet Reviewed

Estimated Ship Date: Monday 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

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 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

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 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

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 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

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 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

Stainless Works Header Flanges HFSBFAFR188

Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Ford Small Block, AFR 225 Heads, Fits 1.875 in. Primaries, Pair

Part Number: STW-HFSBFAFR188

Not Yet Reviewed

Estimated Ship Date: Monday 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

Stainless Works Header Flanges HFSBFTFHP200

Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Ford Small Block, Trick Flow® High Port Heads, Fits 2 in. Primaries, Pair

Part Number: STW-HFSBFTFHP200

Not Yet Reviewed

Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

Stainless Works Header Flanges HFSBF2

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

Part Number: STW-HFSBF2

Not Yet Reviewed

Estimated Ship Date: Monday 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

Stainless Works Header Flanges HFJP61175

Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Hemi 5.7L/6.1L/6.4L, Fits 1.75 in. Primaries, Pair

Part Number: STW-HFJP61175

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Stainless Works Header Flanges HFLS7200

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

Part Number: STW-HFLS7200

Not Yet Reviewed

Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

Stainless Works Header Flanges HFLS1175

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

Part Number: STW-HFLS1175

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Stainless Works Header Flanges HFSBF2188

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

Part Number: STW-HFSBF2188

Not Yet Reviewed

Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

Stainless Works Header Flanges HFLT5

Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Chevy, LT5, Fits 2 in. Primaries, Pair

Part Number: STW-HFLT5

Not Yet Reviewed

Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

Stainless Works Header Flanges HFBBC175

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

Part Number: STW-HFBBC175

Not Yet Reviewed

Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

Stainless Works Header Flanges HFLS1188

Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Chevy, LS1/LS6, Fits 1.875 in. Primaries, Pair

Part Number: STW-HFLS1188

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

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Kooks Headers Header Flanges 7046-AS

Not Yet Reviewed

Estimated Ship Date: Monday 1/12/2026

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Stainless Works Header Flanges HFSBFVICT200

Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Ford Small Block, Edelbrock Victor Sr. Heads, Fits 2 in. Primaries, Pair

Part Number: STW-HFSBFVICT200

Not Yet Reviewed

Estimated Ship Date: Monday 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

Stainless Works Header Flanges HFBBC188

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

Part Number: STW-HFBBC188

Not Yet Reviewed

Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

Stainless Works Header Flanges HFFORD5.0188

Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Ford, 5.0L/5.2L, Coyote, Voodoo, Fits 1.875 in. Primaries, Pair

Part Number: STW-HFFORD5-0188

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

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