Availability
Header Flange, Stainless Steel, 3/8 in. Thick, for use on Honda®, K20 Engine with standard exhaust ports, Each
Part Number: SUM-670208-SS
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Header Flanges, Outer Flange, No Stubs, Stainless, 0.375 in. Thick, 2.000 in. Port, Gaskets, Bolts, Each
Part Number: KOK-7011S
Not Yet Reviewed
Estimated Ship Date: Aug 18, 2025 if ordered today
Estimated Ship Date: Aug 18, 2025 if ordered today
Header Flange, 3/8 in. Thick, Stainless, 1-7/8 in. Primary Tube, 23 Degree Chevy, Each
Part Number: KOK-7031-CS
Not Yet Reviewed
Estimated Ship Date: Aug 18, 2025 if ordered today
Estimated Ship Date: Aug 18, 2025 if ordered today
Header Flanges, No Stubs, Stainless, 0.375 in. Thick, 2.000 in. Port, Each
Part Number: KOK-7051BS
Not Yet Reviewed
Estimated Ship Date: Aug 18, 2025 if ordered today
Estimated Ship Date: Aug 18, 2025 if ordered today
Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Hemi 5.7L/6.1L/6.4L, Fits 1.75 in. Primaries, Pair
Part Number: STW-HFJP61175
Not Yet Reviewed
Estimated Ship Date: Aug 13, 2025 if ordered today
Estimated Ship Date: Aug 13, 2025 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: Aug 12, 2025 if ordered today
Estimated Ship Date: Aug 12, 2025 if ordered 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: Today
Estimated Ship Date: Today
Header Flanges, No Stubs, Stainless, 0.375 in. Thick, 2.250 in. Port, Each
Part Number: KOK-7041S
Estimated Ship Date: Aug 22, 2025 if ordered today
Estimated Ship Date: Aug 22, 2025 if ordered today
Header Flanges, 304 Stainless Steel, 3/8 in. Thick, 1.875 in. Diameter D-Port, Mopar Hemi Gen III, Pair
Part Number: SUM-270205ST
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Header Flange, 304 Stainless Steel, 3/8 in. Thick, for use on Honda®, F20C, Each
Part Number: VPE-1460F
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Exhaust Manifold Flange, Stainless Steel, 0.375 in. Thickness, Pair
Part Number: VPE-14302
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Exhaust Manifold Flange, Stainless Steel, 0.375 in. Thickness, D-series Each
Part Number: VPE-1460D
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: 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: Today
Estimated Ship Date: Today
Header Flanges, No Stubs, Stainless 0.375 in. Thick, 1.625 in. Port, Each
Part Number: KOK-7028S
Not Yet Reviewed
Estimated Ship Date: Aug 18, 2025 if ordered today
Estimated Ship Date: Aug 18, 2025 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: Aug 7, 2025 if ordered today
Estimated Ship Date: Aug 7, 2025 if ordered today
Exhaust Manifold Flange, Stainless Steel, 0.375 in. Thickness, Nissan RB25/26, Each
Part Number: VPE-1460R
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-7028-SA
Not Yet Reviewed
Estimated Ship Date: Aug 18, 2025 if ordered today
Estimated Ship Date: Aug 18, 2025 if ordered today
Header Flanges, No Stubs, Stainless, 0.375 in. Thick, 2.125 in. Port, Each
Part Number: KOK-7040S
Not Yet Reviewed
Estimated Ship Date: Aug 18, 2025 if ordered today
Estimated Ship Date: Aug 18, 2025 if ordered today
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: Aug 11, 2025 if ordered today
Estimated Ship Date: Aug 11, 2025 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: Aug 11, 2025 if ordered today
Estimated Ship Date: Aug 11, 2025 if ordered today
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: Today
Estimated Ship Date: Today
Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Ford, 5.0L/5.2L, Coyote, Voodoo, Fits 1.875 in. Primaries, Pair
Part Number: STW-HFFORD5-0188
Not Yet Reviewed
Estimated Ship Date: Aug 12, 2025 if ordered today
Estimated Ship Date: Aug 12, 2025 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: Aug 11, 2025 if ordered today
Estimated Ship Date: Aug 11, 2025 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: Aug 12, 2025 if ordered today
Estimated Ship Date: Aug 12, 2025 if ordered today
Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Ford, 4.6L, 2V, Fits 1.625 in. Primaries, Pair
Part Number: STW-HF462V163
Not Yet Reviewed
Estimated Ship Date: Aug 11, 2025 if ordered today
Estimated Ship Date: Aug 11, 2025 if ordered today
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