Availability
Header Flanges
Showing In Stock Items. Show All 61 Items.
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: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
BUILD IT WITH SUMMIT!
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: Today
Estimated Ship Date: Today
Header Flanges, Steel, 3/8 in. Thick, 1.75 in. Diameter Round Port, Chevy, LS, Pair
Part Number: SUM-670203
Estimated Ship Date: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
Header Flanges, Steel, 3/8 in. Thick, 2.00 in. Diameter Round Port, Chevy, LS, Pair
Part Number: SUM-670202
Estimated Ship Date: Today
Estimated Ship Date: Today
Header Flanges, Steel, 3/8 in. Thick, 2.0 in. Diameter Round Port, Chevy, Big Block, Pair
Part Number: SUM-670201
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 1.75 in. Primaries, Pair
Part Number: STW-HFFORD5-0175
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Header Flange, 304 Stainless Steel, 3/8 in. Thick, Chevy LS, Pair
Part Number: VPE-14332
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Chevy Big Block, Fits 2.125 in. Primaries, Pair
Part Number: STW-HFBBC212
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
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: Today
Estimated Ship Date: Today
Turbo Header Flanges, 304 Stainless Steel, 1/2 in. Thick, Chevy GM LS, LSX,, Fits 1.750 in. Primaries, Pair
Part Number: SUM-670300-175
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Header Flanges, No Stubs, Steel, 0.313 in. Thick, 1.625 in. Round Port, Gaskets, Bolts, Pair
Part Number: PTE-H7864
Estimated Ship Date: Today
Estimated Ship Date: Today
Turbo Header Flanges, 304 Stainless Steel, 1/2 in. Thick, Chevy GM LS, LSX,, Fits 2.00 in. Primaries, Pair
Part Number: SUM-670300-200
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: 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: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
This product may not be eligible for select promotional offers
Header Flanges, No Stubs, Steel, 0.375 in. Thick, 1.50 in. Port, Gaskets, Bolts, Chevy, 4.3L, Pair
Part Number: PTE-H7883
Estimated Ship Date: Mar 4, 2026 if ordered today
Estimated Ship Date: Mar 4, 2026 if ordered today
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: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
This product may not be eligible for select promotional offers
Header Flanges, No Stubs, Stainless, 0.375 in. Thick, 2.125 in. Port, Each
Part Number: KOK-7040S
Not Yet Reviewed
Estimated Ship Date: Apr 7, 2026 if ordered today
Estimated Ship Date: Apr 7, 2026 if ordered today
Header Flange, 304 Stainless Steel, 3/8 in. Thick, Subaru, EJ20, Pair
Part Number: VPE-14220S
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Header Flanges, No Stubs, Steel, 0.375 in. Thick, 1.625 in. Port, Gaskets, Bolts, Pair
Part Number: PTE-H7831
Not Yet Reviewed
Estimated Ship Date: Mar 4, 2026 if ordered today
Estimated Ship Date: Mar 4, 2026 if ordered today
Header Flanges, 304 Stainless Steel, 3/8 in. Thick, 2.00 in. Diameter Round Port, 7.3 Ford Godzilla 21'-up, Pair
Part Number: SUM-670204SS
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: 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: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
This product may not be eligible for select promotional offers
Header Flange, Godzilla, Stock, Steel, 3/8 in. Thick, Round Port Shape, Ford, Pair
Part Number: MML-MNFD2302377
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
HDR FLANGE CHEV OUTER SBC
Part Number: PTE-H7833
Not Yet Reviewed
Estimated Ship Date: Mar 4, 2026 if ordered today
Estimated Ship Date: Mar 4, 2026 if ordered today
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster