Availability
Header Flanges
Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Chevy Big Block, Fits 2.25 in. Primaries, Pair
Part Number: STW-HFBBC225
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
BUILD IT WITH SUMMIT!
Header Flanges, Steel, 3/8 in. Thick, 1.84 in. x 1.54 in. Oval Port, Chevy, Small Block, Pair
Part Number: SUM-670200
Estimated Ship Date: Today
Estimated Ship Date: Today
Header Adapter Plates, Billet Aluminum, .500 in. Thick, Chevy, Small Block, Kit
Part Number: STF-60120
Estimated Ship Date: Today
Estimated Ship Date: Today
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, 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, 1.75 in. Diameter Round Port, Chevy, LS, Pair
Part Number: SUM-670203
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 Flange, 3/8 in. Thickness, 2.500 in. Round Port, Stainless Steel, Big Block Chevrolet Header Bolt Pattern, Chevrolet, Big Block, Each
Part Number: KOK-7041-250-S
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Header Flanges, 304 Stainless Steel, 3/8 in. Thick, 2.000 in. Diameter D-Port, Mopar Hemi Gen III, Pair
Part Number: SUM-270209ST
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Chevy, LT1/LT4, Fits 2 in. Primaries, Pair
Part Number: SUM-670207-SS
Not Yet Reviewed
Estimated Ship Date: Dec 30, 2026 if ordered today
Estimated Ship Date: Dec 30, 2026 if ordered 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, 304 Stainless Steel, 3/8 in. Thick, Ford Big Block, Fits 2.25 in. Primaries, Pair
Part Number: STW-HFBBF1225
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
FLANGE, FLANGE SBC 2" STAHL, 5/16'' TH
Part Number: SCH-0145-5
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Header Flanges, Inner Flange, Aluminum, 0.250 in. Thick, 1.250 in. Port, Each
Part Number: SCH-0101
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Header Flanges, No Stubs, Steel, 0.250 in. Thick, 1.625 in. Port, Each
Part Number: SCH-01101
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, 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: Today
Estimated Ship Date: Today
Header Flanges, No Stubs, Steel, 0.375 in. Thick, 2.000 in. Port, Gaskets, Bolts, Pair
Part Number: PTE-H7899
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
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: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Header Flanges, Header Flange Kits, Stock Bolt Pattern, Steel, 0.313 in. Thick, 2.000 in. Port Size, Ford, 429, 460, Pair
Part Number: PTE-H7871
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Header Flanges, No Stubs, Steel, 0.313 in. Thick, 1.75 in. Port, Gaskets, Bolts, Ford, 260, 289, 302, 351W
Part Number: PTE-H7870
Estimated Ship Date: Today
Estimated Ship Date: Today
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
This product may not be eligible for select promotional offers
Header Flanges, No Stubs, Steel, 0.250 in. Thick, 1.750 in. Port, Each
Part Number: SCH-0309
Estimated Ship Date: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster