Availability
Showing In Stock Items. Show All 34 Items.
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: Friday 12/26/2025
Estimated Ship Date: Friday 12/26/2025
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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: Friday 12/26/2025
Estimated Ship Date: Friday 12/26/2025
Header Flanges, No Stubs, Stainless, 0.375 in. Thick, 1.875 in. Port, Each
Part Number: KOK-7046AS
Not Yet Reviewed
Estimated Ship Date: Friday 12/26/2025
Estimated Ship Date: Friday 12/26/2025
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: Friday 12/26/2025
Estimated Ship Date: Friday 12/26/2025
Header Flange, 304 Stainless Steel, 3/8 in. Thick, Chevy LS, Pair
Part Number: VPE-14332
Not Yet Reviewed
Estimated Ship Date: Friday 12/26/2025
Estimated Ship Date: Friday 12/26/2025
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: Friday 12/26/2025
Estimated Ship Date: Friday 12/26/2025
Turbo Header Flanges, 304 Stainless Steel, 1/2 in. Thick, Chevy GM LS, LSX,, Fits 1.875 in. Primaries, Pair
Part Number: SUM-670300-1875
Not Yet Reviewed
Estimated Ship Date: Friday 12/26/2025
Estimated Ship Date: Friday 12/26/2025
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: Friday 12/26/2025
Estimated Ship Date: Friday 12/26/2025
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: Friday 12/26/2025
Estimated Ship Date: Friday 12/26/2025
Header Flange, 304 Stainless Steel, 3/8 in. Thick, Subaru, EJ20, Pair
Part Number: VPE-14220S
Not Yet Reviewed
Estimated Ship Date: Friday 12/26/2025
Estimated Ship Date: Friday 12/26/2025
Exhaust Manifold Flange, Stainless Steel, 0.375 in. Thickness, 1.8T, Each
Part Number: VPE-1460V
Not Yet Reviewed
Estimated Ship Date: Friday 12/26/2025
Estimated Ship Date: Friday 12/26/2025
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, 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: Friday 12/26/2025
Estimated Ship Date: Friday 12/26/2025
Header Flanges, Exhaust Manifold Flanges, Stainless Steel, Stock Flange Port Shape, Designed Specifically for Porsche 911 and 930 Engines, Set of 6
Part Number: VPE-14930
Not Yet Reviewed
Estimated Ship Date: Friday 12/26/2025
Estimated Ship Date: Friday 12/26/2025
Header Flanges, No Stubs, Stainless 0.375 in. Thick, 1.625 in. Port, Each
Part Number: KOK-7028S
Not Yet Reviewed
Estimated Ship Date: Feb 19, 2026 if ordered today
Estimated Ship Date: Feb 19, 2026 if ordered today
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: Friday 12/26/2025
Estimated Ship Date: Friday 12/26/2025
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: Friday 12/26/2025
Estimated Ship Date: Friday 12/26/2025
Exhaust Manifold Flange, Stainless Steel, 0.375 in. Thickness, D-series Each
Part Number: VPE-1460D
Not Yet Reviewed
Estimated Ship Date: Friday 12/26/2025
Estimated Ship Date: Friday 12/26/2025
Exhaust Manifold Flange, Stainless Steel, 0.375 in. Thickness, 2AZFE, Each
Part Number: VPE-1460T
Not Yet Reviewed
Estimated Ship Date: Friday 12/26/2025
Estimated Ship Date: Friday 12/26/2025
MANIFLANGE SS ManiFlange for Nissan KA24
Part Number: VPE-1460A
Not Yet Reviewed
Estimated Ship Date: Friday 12/26/2025
Estimated Ship Date: Friday 12/26/2025
Exhaust Manifold Flange, Stainless Steel, 0.375 in. Thickness, 4G63, Each
Part Number: VPE-1460M
Not Yet Reviewed
Estimated Ship Date: Friday 12/26/2025
Estimated Ship Date: Friday 12/26/2025
Exhaust Manifold Flange, Stainless Steel, 0.375 in. Thickness, Each
Part Number: VPE-14336
Not Yet Reviewed
Estimated Ship Date: Friday 12/26/2025
Estimated Ship Date: Friday 12/26/2025
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, Ford, 4.6L, 2V, Fits 1.625 in. Primaries, Pair
Part Number: STW-HF462V163
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered 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: Feb 19, 2026 if ordered today
Estimated Ship Date: Feb 19, 2026 if ordered today
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Summit Racing™ Header Flanges SUM-670203-SS
