Availability
CHEVROLET Header Flanges
Header Flanges, No Stubs, Stainless, 0.375 in. Thick, 1.875 in. Port, Each
Part Number: KOK-7046BS
Not Yet Reviewed
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
Header Flanges, Steel, 0.250 in. Thick, 1.625 in. Port, No Stubs, Each
Part Number: SCH-01032
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Header Flange, Mild Steel, 1/2 in. Thick, GM Ecotec, Each
Part Number: VPE-14630
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Header Flanges, Steel, 0.313 in. Thick, 1.625 in. Port, No Stubs, Each
Part Number: SCH-01101-5
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Header Flanges, Steel, 0.250 in. Thick, 1.750 in. Port, No Stubs, Each
Part Number: SCH-0119-5
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Header Flanges, No Stubs, Steel, 0.250 in. Thick, 2.000 in. Port, Each
Part Number: SCH-0136
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Header Flanges, Steel, 0.313 in. Thick, 2.000 in. Port, Each
Part Number: SCH-0117-5WS
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Header Flanges, No Stubs, Stainless, 0.375 in. Thick, 1.750 in. Port, Each
Part Number: KOK-7031-FB-S
Not Yet Reviewed
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
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: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
Header Flanges, No Stubs, Steel, 0.375 in. Thick, 2.125 in. Port, Gaskets, Bolts, Chevy, Big Block, Pair
Part Number: PTE-H7898
Not Yet Reviewed
Estimated Ship Date: Mar 20, 2026 if ordered today
Estimated Ship Date: Mar 20, 2026 if ordered today
Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Chevy, LS7, Fits 1.875 in. Primaries, Pair
Part Number: STW-HFLS7188
Not Yet Reviewed
Estimated Ship Date: Apr 29, 2026 if ordered today
Estimated Ship Date: Apr 29, 2026 if ordered today
Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Chevy, LS1/LS6, Fits 1.625 in. Primaries, Pair
Part Number: STW-HFLS1163
Not Yet Reviewed
Estimated Ship Date: Apr 28, 2026 if ordered today
Estimated Ship Date: Apr 28, 2026 if ordered today
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: Apr 28, 2026 if ordered today
Estimated Ship Date: Apr 28, 2026 if ordered today
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: Apr 30, 2026 if ordered today
Estimated Ship Date: Apr 30, 2026 if ordered today
Header Flanges, Mild Steel, .375 in. Thick, Chevy, Small Block, LS1/LS2/LS6/LS7, Each
Part Number: NAL-12480130
Not Yet Reviewed
Estimated Ship Date: Jun 24, 2026 if ordered today
Estimated Ship Date: Jun 24, 2026 if ordered today
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