Availability
Header Flanges
Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Chevy Big Block, Fits 2.25 in. Primaries, Pair
Part Number: STW-HFBBC225
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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Header Flanges, 304 Stainless Steel, 3/8 in. Thick, 2.00 in. Diameter Round Port, Chevy, LS, Pair
Part Number: SUM-670202-SS
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Header Flanges, Steel, 3/8 in. Thick, 1.75 in. Diameter Round Port, Chevy, LS, Pair
Part Number: SUM-670203
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Header Flanges, 304 Stainless Steel, 304, 3/8 in. Thick, 1.75 in. Diameter Round Port, Chevy, LS, Pair
Part Number: SUM-670203-SS
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Header Flanges, Steel, 3/8 in. Thick, 1.84 in. x 1.54 in. Oval Port, Chevy, Small Block, Pair
Part Number: SUM-670200
Estimated Ship Date: Tomorrow
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
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
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Header Flanges, 304 Stainless Steel, 3/8 in. Thick, 2.50 in. Diameter Round Raised Port, Chevrolet, BBC, Pair
Part Number: STW-HFBBCH250RSD
Not Yet Reviewed
Estimated Ship Date: Tomorrow
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
Estimated Ship Date: Tomorrow
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
Not Yet Reviewed
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
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
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Chevy Small Block, Fits 1.75 in. Primaries, Pair
Part Number: STW-HFSBCSQ175
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Header Flanges, Steel, 3/8 in. Thick, Ford, Small Block Windsor, with High Port® Heads, Pair
Part Number: TFS-51700801
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Header Flange, 304 Stainless Steel, 3/8 in. Thick, Chevy LS, Pair
Part Number: VPE-14332
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Header Flange, Stahl Pattern, 304 Stainless Steel, 0.375 in. Thick, 1.875 in. Primaries, Chevy Small Block, Each
Part Number: KOK-7034-S
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Header Flanges, Steel, 3/8 in. Thick, 2.00 in. Diameter Round Port, Chevy, LS, Pair
Part Number: SUM-670202
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Header Flanges, Steel, 3/8 in. Thick, 2.00 in. Diameter Round Port, 7.3 Ford Godzilla 21'-up, Pair
Part Number: SUM-670204
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Header Flanges, No Stubs, Steel, 0.375 in. Thick, 2.000 in. Port, Gaskets, Bolts, Pair
Part Number: PTE-H7899
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
Header Flanges, No Stubs, Stainless, 0.375 in. Thick, 1.875 in. Port, Each
Part Number: KOK-7051S
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Ford Small Block, AFR 225 Heads, Fits 2 in. Primaries, Pair
Part Number: STW-HFSBFAFR200
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Chevy Big Block, Fits 2 in. Primaries, Pair
Part Number: STW-HFBBC200
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
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: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
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