Availability
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: Sep 29, 2025 if ordered today
Estimated Ship Date: Sep 29, 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 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: Tomorrow
Estimated Ship Date: Tomorrow
MANIFOLD FLANGES
Part Number: VPE-14331D
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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: Tomorrow
Estimated Ship Date: Tomorrow
Headers, Shorty, Steel, Painted, Chevy, GMC, S-Series, SUV, Pickup, Small Block V8, Pair
Part Number: BIG-11502FLT
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Header Flange, 304 Stainless Steel, 3/8 in. Thick, Chevy LS, Pair
Part Number: VPE-14332
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Header Flanges, Inner Flanges, No Stubs, Aluminum, 0.250 in. Thick, 1.250 in. Port, Gaskets, Bolts, Kit
Part Number: SCH-0101K
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Header Weld-Up Kit, Shorty Style, Steel, Natural, 1 3/4 in. Tubes, 3 in. Collectors, Chevy Small Block, Kit
Part Number: SUM-670189
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: Sep 29, 2025 if ordered today
Estimated Ship Date: Sep 29, 2025 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: 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: Oct 9, 2025 if ordered today
Estimated Ship Date: Oct 9, 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: Oct 7, 2025 if ordered today
Estimated Ship Date: Oct 7, 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 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: Oct 7, 2025 if ordered today
Estimated Ship Date: Oct 7, 2025 if ordered today
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: Dec 9, 2025 if ordered today
Estimated Ship Date: Dec 9, 2025 if ordered today
Header Flanges with Stubs, Mild Steel, 5/16 in. Thick, Square 1 3/4 in. Port, Chevy, Small Block, Kit
Part Number: HOK-11622HKR
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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: Oct 31, 2025 if ordered today
Estimated Ship Date: Oct 31, 2025 if ordered today
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: Oct 31, 2025 if ordered today
Estimated Ship Date: Oct 31, 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 1.75 in. Primaries, Pair
Part Number: STW-HFLS1175
Not Yet Reviewed
Estimated Ship Date: Oct 31, 2025 if ordered today
Estimated Ship Date: Oct 31, 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: Oct 29, 2025 if ordered today
Estimated Ship Date: Oct 29, 2025 if ordered today
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: Oct 29, 2025 if ordered today
Estimated Ship Date: Oct 29, 2025 if ordered today
HDR FLANGE CHEV OUTER SBC
Part Number: PTE-H7833
Not Yet Reviewed
Estimated Ship Date: Oct 7, 2025 if ordered today
Estimated Ship Date: Oct 7, 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: Tomorrow
Estimated Ship Date: Tomorrow
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: Oct 30, 2025 if ordered today
Estimated Ship Date: Oct 30, 2025 if ordered today
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