Header Flanges - Square Header Flange Port Shape - Free Shipping on Orders Over $109 at Summit Racing

Stef's Header Adapter Plates 60120

Header Adapter Plates, Billet Aluminum, .500 in. Thick, Chevy, Small Block, Kit

Part Number: STF-60120

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Summit Racing™ Header Adapter Plates SUM-695100

Header Adapter Plates, Billet Aluminum, .625 in. Thick, Chevy, Small Block to Stahl flange, Kit

Part Number: SUM-695100

4.0 out of 5 stars ( 1 )

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Patriot Header Flange Kits H7800

Header Flanges, Inner, Steel, 0.313 in. Thick, Gaskets, Bolts, Chevy, Small Block, Pair

Part Number: PTE-H7800

Not Yet Reviewed

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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 )

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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: Apr 15, 2026 if ordered today

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Estimated Ship Date: Apr 15, 2026 if ordered today

Schoenfeld Header Flanges 0164-5

Schoenfeld Header Flanges 0164-5

Header Flanges, No Stubs, Steel, 0.313 in. Thick Flange, 1.875 in. Port, Each

Part Number: SCH-0164-5

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Schoenfeld Header Flanges 01101

Header Flanges, No Stubs, Steel, 0.250 in. Thick, 1.625 in. Port, Each

Part Number: SCH-01101

5.0 out of 5 stars ( 1 )

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Hooker Header Flanges 11622HKR

Header Flanges with Stubs, Mild Steel, 5/16 in. Thick, Square 1 3/4 in. Port, Chevy, Small Block, Kit

Part Number: HOK-11622HKR

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Feb 26, 2026 if ordered today

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Estimated Ship Date: Feb 26, 2026 if ordered today

Vibrant Performance Exhaust Manifold Flanges 14624

Header Flange, Mild Steel, 1/2 in. Thick, for Nissan, KA24DE, Each

Part Number: VPE-14624

Not Yet Reviewed

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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

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Stainless Works Header Flanges HFFTR6.2188

Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Ford, 6.2L, Fits 1.875 in. Primaries, Pair

Part Number: STW-HFFTR6-2188

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Stainless Works Header Flanges HFSBFVICTOR188

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

Part Number: STW-S0002

Not Yet Reviewed

Estimated Ship Date: Apr 14, 2026 if ordered today

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Estimated Ship Date: Apr 14, 2026 if ordered today

Schoenfeld Header Flanges 0312

Header Flanges, No Stubs, Steel, 0.250 in. Thick, 1.750 in. Port, Each

Part Number: SCH-0312

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today