Availability
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: Tomorrow
Estimated Ship Date: Tomorrow
Headers, Upright, 1 1/2 in. Primary, 2.5 in. Collector, Stainless Steel, Natural, GM, 2.8L, 3.1L, 3.4L, Pair
Part Number: BIG-11585FLT
Not Yet Reviewed
Estimated Ship Date: Nov 3, 2025 if ordered today
Estimated Ship Date: Nov 3, 2025 if ordered 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: Nov 11, 2025 if ordered today
Estimated Ship Date: Nov 11, 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: Dec 4, 2025 if ordered today
Estimated Ship Date: Dec 4, 2025 if ordered today
Header Flanges, No Stubs, Steel, 0.375 in. Thick, 1.750 in. Port, Gaskets, Bolts, Pair
Part Number: PTE-H7832
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Header Fasteners, Bolts, Locking, 12-point, Steel, Nickel Plated, Chevy, Set of 32
Part Number: STG-8908
Not Yet Reviewed
Estimated Ship Date: Oct 29, 2025 if ordered today
Estimated Ship Date: Oct 29, 2025 if ordered today
Headers, Competition, Long Tube, Steel, Painted, Chevy, Small Block, Pair
Part Number: HOK-2458HKR
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Header Flange Kit, Small Block Chevy, 3/8" Thick, Includes 6 Plates
Part Number: MOR-67650
Not Yet Reviewed
Estimated Ship Date: Nov 14, 2025 if ordered today
Estimated Ship Date: Nov 14, 2025 if ordered today
Headers, Super Competition, Block Hugger, Steel, Painted, Chevy, Small Block, LS1, Pair
Part Number: HOK-2312HKR
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Header Studs, 12-Point Nuts, Chromoly, Black Oxide, 9/16 in. Wrench, Chevy, Small Block, Set of 12
Part Number: MIL-81500
Estimated Ship Date: Jan 14, 2026 if ordered today
Estimated Ship Date: Jan 14, 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: Dec 4, 2025 if ordered today
Estimated Ship Date: Dec 4, 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: Dec 5, 2025 if ordered today
Estimated Ship Date: Dec 5, 2025 if ordered today
Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Chevy, LT1/LT4, Fits 2 in. Primaries, Pair
Part Number: STW-HFLT1-200
Not Yet Reviewed
Estimated Ship Date: Dec 4, 2025 if ordered today
Estimated Ship Date: Dec 4, 2025 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Chevy, LS1/LS6, Fits 1.875 in. Primaries, Pair
Part Number: STW-HFLS1188
Not Yet Reviewed
Estimated Ship Date: Dec 3, 2025 if ordered today
Estimated Ship Date: Dec 3, 2025 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Chevy Small Block, Fits 1.625 in. Primaries, Pair
Part Number: STW-HFSBC1625
Not Yet Reviewed
Estimated Ship Date: Dec 3, 2025 if ordered today
Estimated Ship Date: Dec 3, 2025 if ordered today
HDR FLANGE CHEV OUTER SBC
Part Number: PTE-H7833
Not Yet Reviewed
Estimated Ship Date: Nov 6, 2025 if ordered today
Estimated Ship Date: Nov 6, 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: Nov 11, 2025 if ordered today
Estimated Ship Date: Nov 11, 2025 if ordered today
Headers, Upright, 1 1/2 in. Primary, 2.5 in. Collector, D-Port, Stainless Steel, Natural, GM, 2.8L, 3.1L, 3.4L, Pair
Part Number: BIG-11587FLT
Not Yet Reviewed
Estimated Ship Date: Nov 3, 2025 if ordered today
Estimated Ship Date: Nov 3, 2025 if ordered today
Headers, Street Rod, Steel Painted, Universal, 396-454, Chevy, Pair
Part Number: BIG-11030FLT
Estimated Ship Date: Nov 3, 2025 if ordered today
Estimated Ship Date: Nov 3, 2025 if ordered today
Headers, LS Turbo, Forward and Up, Stainless Steel, Silver Ceramic Coated, 3.00 in. Collector Diameter, Round Port, Chevrolet, Small Block LS, Pair
Part Number: BIG-31536FLT
Not Yet Reviewed
Estimated Ship Date: Nov 3, 2025 if ordered today
Estimated Ship Date: Nov 3, 2025 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: Dec 4, 2025 if ordered today
Estimated Ship Date: Dec 4, 2025 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: Dec 4, 2025 if ordered today
Estimated Ship Date: Dec 4, 2025 if ordered today
Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Chevy, LS7, Fits 2 in. Primaries, Pair
Part Number: STW-HFLS7200
Not Yet Reviewed
Estimated Ship Date: Dec 5, 2025 if ordered today
Estimated Ship Date: Dec 5, 2025 if ordered today
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: Dec 5, 2025 if ordered today
Estimated Ship Date: Dec 5, 2025 if ordered today
Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Chevy, LS1/LS6, Fits 2 in. Primaries, Pair
Part Number: STW-HFLS1200
Not Yet Reviewed
Estimated Ship Date: Dec 5, 2025 if ordered today
Estimated Ship Date: Dec 5, 2025 if ordered today
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