Stainless Works 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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Estimated Ship Date: Monday 11/24/2025

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

Part Number: STW-HFBBCH250RSD

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Estimated Ship Date: Monday 11/24/2025

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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 11/24/2025

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

Part Number: STW-HFSBCSQ1875

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Estimated Ship Date: Monday 11/24/2025

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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

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Estimated Ship Date: Monday 11/24/2025

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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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Estimated Ship Date: Monday 11/24/2025

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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: Jan 13, 2026 if ordered today

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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

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Estimated Ship Date: Monday 11/24/2025

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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 )

Estimated Ship Date: Monday 11/24/2025

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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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Estimated Ship Date: Monday 11/24/2025

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

Part Number: STW-HFSBFAFR200

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Estimated Ship Date: Monday 11/24/2025

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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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Estimated Ship Date: Monday 11/24/2025

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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 11/24/2025

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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

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Estimated Ship Date: Monday 11/24/2025

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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

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Estimated Ship Date: Jan 14, 2026 if ordered today

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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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Estimated Ship Date: Jan 12, 2026 if ordered today

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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

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Estimated Ship Date: Jan 12, 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: Monday 11/24/2025

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

Part Number: STW-HFLT5

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Estimated Ship Date: Jan 12, 2026 if ordered today

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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: Jan 12, 2026 if ordered today

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

Part Number: STW-HFLT1-200

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Estimated Ship Date: Jan 12, 2026 if ordered today

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

Part Number: STW-HFSBF2188

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Estimated Ship Date: Jan 12, 2026 if ordered today

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EXHAUST FLANGES PAIR

Part Number: STW-HFLT1188

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Ford, 4.6L, 2V, Fits 1.625 in. Primaries, Pair

Part Number: STW-HF462V163

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Estimated Ship Date: Jan 13, 2026 if ordered today

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

Part Number: STW-HFSBC1625

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Estimated Ship Date: Jan 13, 2026 if ordered today

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