Header Flanges

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: Tomorrow

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: Tomorrow

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: Tomorrow

Header Flanges, Steel, 3/8 in. Thick, Ford, Small Block Windsor, with High Port® Heads, Pair

Part Number: TFS-51700801

3.6 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

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: Tomorrow

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: Tomorrow

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: Tomorrow

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: Tomorrow

Header Flanges, Stock Bolt Pattern, Steel, Rectangular Port, 0.375 in. Thick, Chrysler, Big Block, Pair

Part Number: PTE-H7828

Not Yet Reviewed

Estimated Ship Date: Aug 26, 2025 if ordered today

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Header Flange, 304 Stainless Steel, 3/8 in. Thick, Subaru, EJ20, Pair

Part Number: VPE-14220S

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Header Flanges, No Stubs, Steel, 0.375 in. Thick, 1.750 in. Port, Gaskets, Bolts, Pair

Part Number: PTE-H7832

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Header Flange, 304 Stainless Steel, 3/8 in. Thick, for use on Honda®, B-Series, Each

Part Number: VPE-1460

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Header Flanges, No Stubs, Steel, 0.375 in. Thick, 1.625 in. Oval Port, Gaskets, Bolts, Pair

Part Number: PTE-H7863

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Aug 26, 2025 if ordered today

• Drop Ship
• Special Order

Flange Big Block Chevrolet

Part Number: KOK-7041-250-S

Not Yet Reviewed

Estimated Ship Date: Sep 5, 2025 if ordered today

• Special Order

Header Flanges, No Stubs, Stainless, 0.375 in. Thick, 2.250 in. Port, Each

Part Number: KOK-7041S

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Sep 10, 2025 if ordered today

• Special Order

Header Flanges, Outer Flange, No Stubs, Stainless, 0.375 in. Thick, 2.000 in. Port, Gaskets, Bolts, Each

Part Number: KOK-7011S

Not Yet Reviewed

Estimated Ship Date: Sep 5, 2025 if ordered today

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Header Flange, 3/8 in. Thick, Stainless, 1-7/8 in. Primary Tube, 23 Degree Chevy, Each

Part Number: KOK-7031-CS

Not Yet Reviewed

Estimated Ship Date: Sep 5, 2025 if ordered today

• Special Order

Header Flange, 304 Stainless Steel, 3/8 in. Thick, for use on Honda®, F20C, Each

Part Number: VPE-1460F

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Exhaust Manifold Flange, Stainless Steel, 0.375 in. Thickness, D-series Each

Part Number: VPE-1460D

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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

Not Yet Reviewed

Estimated Ship Date: Tomorrow

• Free Shipping

Header Flanges, No Stubs, Stainless 0.375 in. Thick, 1.625 in. Port, Each

Part Number: KOK-7028S

Not Yet Reviewed

Estimated Ship Date: Sep 5, 2025 if ordered today

• Drop Ship
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Exhaust Manifold Flange, Stainless Steel, 0.375 in. Thickness, Nissan RB25/26, Each

Part Number: VPE-1460R

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Header Flanges, No Stubs, Stainless, 0.375 in. Thick, 1.750 in. Port, Each

Part Number: KOK-7028-SA

Not Yet Reviewed

Estimated Ship Date: Sep 5, 2025 if ordered today

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Header Flanges, No Stubs, Stainless, 0.375 in. Thick, 2.125 in. Port, Each

Part Number: KOK-7040S

Not Yet Reviewed

Estimated Ship Date: Sep 5, 2025 if ordered today

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• Special Order