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

Part Number: KOK-7046AS

Not Yet Reviewed

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, 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, 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, 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
• Special Order

Header Flange, 304 Stainless Steel, 3/8 in. Thick, for use on Honda® Civic Si, K24, Each

Part Number: VPE-14224

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Exhaust Manifold Flange, Stainless Steel, 0.375 in. Thickness, Each

Part Number: VPE-14336

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Header Flanges, Outer Flange, No Stubs, Stainless, 0.375 in. Thick, 1.750 in. Port, Gaskets, Bolts, Each

Part Number: KOK-7011CS

Not Yet Reviewed

Estimated Ship Date: Sep 5, 2025 if ordered today

• Drop Ship
• Special Order

Header Flanges, No Stubs, Stainless, 0.375 in. Thick, 2.000 in. Port, Each

Part Number: KOK-7046-S2

Not Yet Reviewed

Estimated Ship Date: Sep 5, 2025 if ordered today

• Drop Ship
• Special Order

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

Part Number: KOK-7046S

Not Yet Reviewed

Estimated Ship Date: Aug 25, 2025 if ordered today

• Special Order

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

Part Number: KOK-7046BS

Not Yet Reviewed

Estimated Ship Date: Aug 22, 2025 if ordered today

• Special Order