Availability
Header Flanges
Header Flanges, Carbon Steel, 3/8 in. Thick, Ford Small Block, Fits 1.875 in. Primaries, Pair
Part Number: STW-HFSBFBTADAPT
Estimated Ship Date: Today
Estimated Ship Date: 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: Today
Estimated Ship Date: Today
Header Flanges, No Stubs, Steel, 0.313 in. Thick, 1.750 in. Port, Gaskets, Bolts, Pair
Part Number: PTE-H7890
Estimated Ship Date: Today
Estimated Ship Date: Today
Header Flanges, No Stubs, Steel, 0.375 in. Thick, 2.125 in. Port, Gaskets, Bolts, Ford, 390-428 FE, Pair
Part Number: PTE-H7829
Not Yet Reviewed
Estimated Ship Date: Nov 27, 2026 if ordered today
Estimated Ship Date: Nov 27, 2026 if ordered today
Header Flanges, No Stubs, Steel, 0.313 in. Thick, 1.500 in. Port, Gaskets, Bolts, Pair
Part Number: PTE-H7842
Estimated Ship Date: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
Header Flanges, No Stubs, Steel, 0.313 in. Thick, 1.750 in. Port, Gaskets, Bolts, Pair
Part Number: PTE-H7894
Estimated Ship Date: Today
Estimated Ship Date: Today
Header Flanges, No Stubs, Steel, 0.250 in. Thick, 1.875 in. Port, Each
Part Number: SCH-0112
Estimated Ship Date: Today
Estimated Ship Date: Today
Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Ford Small Block, Fits 1.75 in. Primaries, Pair
Part Number: STW-HFSBF2
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2026 if ordered today
Estimated Ship Date: Dec 22, 2026 if ordered today
Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Ford Small Block, Fits 1.625 in. Primaries, Pair
Part Number: STW-HFSBF1
Not Yet Reviewed
Estimated Ship Date: Jan 6, 2027 if ordered today
Estimated Ship Date: Jan 6, 2027 if ordered today
Header Flanges, No Stubs, Steel, 0.313 in. Thick, 2.000 in. Port, Gaskets, Bolts, Pair
Part Number: PTE-H7897
Estimated Ship Date: Nov 27, 2026 if ordered today
Estimated Ship Date: Nov 27, 2026 if ordered today
Header Flanges, No Stubs, Steel, 0.375 in. Thick, 1.625 in. Port, Gaskets, Bolts, Pair
Part Number: PTE-H7841
Estimated Ship Date: Nov 27, 2026 if ordered today
Estimated Ship Date: Nov 27, 2026 if ordered today
Header Flanges, No Stubs, Steel, 0.313 in. Thick, 2.000 in. Port, Gaskets, Bolts, Pair
Part Number: PTE-H7881
Not Yet Reviewed
Estimated Ship Date: Nov 27, 2026 if ordered today
Estimated Ship Date: Nov 27, 2026 if ordered today
Header Flanges, Header Flange Kits, Stock Bolt Pattern, Steel, 0.375 in. Thick, 1.750 in. Port Size, Ford, FE, Pair
Part Number: PTE-H7847
Not Yet Reviewed
Estimated Ship Date: Nov 27, 2026 if ordered today
Estimated Ship Date: Nov 27, 2026 if ordered today
Header Flanges, Header Flange Kits, Stock Bolt Pattern, Steel, 0.375 in. Thick, 1.750 in. Port Size, Oldsmobile V8, 403-455, Pair
Part Number: PTE-H7852
Not Yet Reviewed
Estimated Ship Date: Nov 27, 2026 if ordered today
Estimated Ship Date: Nov 27, 2026 if ordered today
Header Flanges, No Stubs, Steel, 0.313 in. Thick, 1.750 in. Port, Gaskets, Bolts, Pair
Part Number: PTE-H7855
Estimated Ship Date: Nov 27, 2026 if ordered today
Estimated Ship Date: Nov 27, 2026 if ordered 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, 304 Stainless Steel, 3/8 in. Thick, Ford Small Block, Fits 1.875 in. Primaries, Pair
Part Number: STW-HFSBF2188
Not Yet Reviewed
Estimated Ship Date: Jan 6, 2027 if ordered today
Estimated Ship Date: Jan 6, 2027 if ordered today
Header Flanges, Header Flange Kits, Stock Bolt Pattern, Steel, 0.375 in. Thick, 1.750 in. Port Size, Ford, 351W, World Products Cylinder Heads, Pair
Part Number: PTE-H7846
Not Yet Reviewed
Estimated Ship Date: Nov 27, 2026 if ordered today
Estimated Ship Date: Nov 27, 2026 if ordered today
Header Flanges, No Stubs, Steel, 0.250 in. Thick, 1.875 in. Port, Each
Part Number: SCH-0161
Not Yet Reviewed
Estimated Ship Date: Nov 10, 2026 if ordered today
Estimated Ship Date: Nov 10, 2026 if ordered today
Header Flanges, No Stubs, Steel, 0.250 in. Thick Flange, 1.875 in. Port, Each
Part Number: SCH-01201
Not Yet Reviewed
Estimated Ship Date: Nov 6, 2026 if ordered today
Estimated Ship Date: Nov 6, 2026 if ordered today
Header Flanges, Steel, 0.313 in. Thick, 1.750 in. Port, Each
Part Number: SCH-0116-5WS
Not Yet Reviewed
Estimated Ship Date: Nov 6, 2026 if ordered today
Estimated Ship Date: Nov 6, 2026 if ordered today
Header Flanges, Steel, 0.250 in. Thick, 1.875 in. Port, Each
Part Number: SCH-0112WS
Not Yet Reviewed
Estimated Ship Date: Nov 9, 2026 if ordered today
Estimated Ship Date: Nov 9, 2026 if ordered today
Header Flanges, Steel, 0.313 in. Thick, 1.750 in. Port, Each
Part Number: SCH-0115-5WS
Not Yet Reviewed
Estimated Ship Date: Nov 9, 2026 if ordered today
Estimated Ship Date: Nov 9, 2026 if ordered today
Header Flanges, Steel, 0.313 in. Thick, 2.000 in. Port, No Stubs, Each
Part Number: SCH-0117-5
Not Yet Reviewed
Estimated Ship Date: Nov 9, 2026 if ordered today
Estimated Ship Date: Nov 9, 2026 if ordered today
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