Availability
Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Chevy, LS1/LS6, Fits 1.75 in. Primaries, Pair
Part Number: STW-HFLS1175
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
Header Flanges, Stock Bolt Pattern, Steel, Oval Port, 0.313 in. Thick, Chevy, Small Block, Pair
Part Number: PTE-H7825
Not Yet Reviewed
Estimated Ship Date: Jan 16, 2026 if ordered today
Estimated Ship Date: Jan 16, 2026 if ordered today
Header Flanges, Exhaust Manifold Flanges, Stainless, 0.375 in. Thick, Designed Specifically for Porsche 996/911 Engines, Porsche, 3.4L/3.6L/3.8L, Pair
Part Number: VPE-14296
Not Yet Reviewed
Estimated Ship Date: Monday 12/29/2025
Estimated Ship Date: Monday 12/29/2025
MANIFOLD FLANGE Exhaust Manifold Flange for Audi 2.7T, 3/8" Thick - Sold in Pairs
Part Number: VPE-14227
Not Yet Reviewed
Estimated Ship Date: Monday 12/29/2025
Estimated Ship Date: Monday 12/29/2025
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: Feb 24, 2026 if ordered today
Estimated Ship Date: Feb 24, 2026 if ordered today
Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Chevy Big Block, Fits 1.75 in. Primaries, Pair
Part Number: STW-HFBBC175
Not Yet Reviewed
Estimated Ship Date: Feb 24, 2026 if ordered today
Estimated Ship Date: Feb 24, 2026 if ordered 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: Feb 24, 2026 if ordered today
Estimated Ship Date: Feb 24, 2026 if ordered today
Header Flanges, No Stubs, Steel, 0.375 in. Thick, 2.000 in. Port, Gaskets, Bolts, Pair
Part Number: PTE-H7850
Not Yet Reviewed
Estimated Ship Date: Jan 16, 2026 if ordered today
Estimated Ship Date: Jan 16, 2026 if ordered today
Header Flanges, No Stubs, Steel, 0.375 in. Thick, 1.875 in. Port, Gaskets, Bolts, Pair
Part Number: PTE-H7853
Not Yet Reviewed
Estimated Ship Date: Jan 16, 2026 if ordered today
Estimated Ship Date: Jan 16, 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: Jan 16, 2026 if ordered today
Estimated Ship Date: Jan 16, 2026 if ordered today
BMW E36/46 MSManiFlang
Part Number: VPE-14636
Not Yet Reviewed
Estimated Ship Date: Monday 12/29/2025
Estimated Ship Date: Monday 12/29/2025
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: Jan 16, 2026 if ordered today
Estimated Ship Date: Jan 16, 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: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Header Flanges, No Stubs, Steel, 0.313 in. Thick, 1.750 in. Port, Gaskets, Bolts, Pair
Part Number: PTE-H7892
Estimated Ship Date: Jan 16, 2026 if ordered today
Estimated Ship Date: Jan 16, 2026 if ordered today
Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Ford Small Block, Edelbrock Victor Sr. Heads, Fits 2 in. Primaries, Pair
Part Number: STW-HFSBFVICT200
Not Yet Reviewed
Estimated Ship Date: Monday 12/29/2025
Estimated Ship Date: Monday 12/29/2025
Header Flange, Mild Steel, 1/2 in. Thick, Audi, 2.7T, 3.0L, Pair
Part Number: VPE-14627
Not Yet Reviewed
Estimated Ship Date: Monday 12/29/2025
Estimated Ship Date: Monday 12/29/2025
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: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Ford, 5.0L/5.2L, Coyote, Voodoo, Fits 2 in. Primaries, Pair
Part Number: STW-HFFORD5-0200
Not Yet Reviewed
Estimated Ship Date: Feb 24, 2026 if ordered today
Estimated Ship Date: Feb 24, 2026 if ordered today
Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Hemi 5.7L/6.1L/6.4L, Fits 2 in. Primaries, Pair
Part Number: STW-HFJP61200
Not Yet Reviewed
Estimated Ship Date: Feb 24, 2026 if ordered today
Estimated Ship Date: Feb 24, 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: Feb 24, 2026 if ordered today
Estimated Ship Date: Feb 24, 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: Feb 24, 2026 if ordered today
Estimated Ship Date: Feb 24, 2026 if ordered today
Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Ford, 4.6L, 4V Cobra, Fits 1.75 in. Primaries, Pair
Part Number: STW-HF4-6
Not Yet Reviewed
Estimated Ship Date: Feb 24, 2026 if ordered today
Estimated Ship Date: Feb 24, 2026 if ordered today
Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Ford, 4.6L, 3V, Fits 1.625 in. Primaries, Pair
Part Number: STW-HF463V163
Not Yet Reviewed
Estimated Ship Date: Feb 24, 2026 if ordered today
Estimated Ship Date: Feb 24, 2026 if ordered today
Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Hemi 5.7L, Fits 1.625 in. Primaries, Pair
Part Number: STW-HF57H163
Not Yet Reviewed
Estimated Ship Date: Feb 24, 2026 if ordered today
Estimated Ship Date: Feb 24, 2026 if ordered today
Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Hemi 5.7L, Fits 1.75 in. Primaries, Pair
Part Number: STW-HF57H175
Not Yet Reviewed
Estimated Ship Date: Feb 24, 2026 if ordered today
Estimated Ship Date: Feb 24, 2026 if ordered today
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