Availability
Headers, Circle Track, Street Stock, 4-1 One-Piece, 1 1/2 - 1 5/8 in. Primaries, 3 in. Collector, Manual, Chevy, Pair
Part Number: SCH-184VM
Not Yet Reviewed
Estimated Ship Date: Sep 15, 2025 if ordered today
Estimated Ship Date: Sep 15, 2025 if ordered today
Header Flange, No Stubs, Steel, 0.250 in. Thick, 1.750 in. Port, Each
Part Number: SCH-01111
Estimated Ship Date: Sep 15, 2025 if ordered today
Estimated Ship Date: Sep 15, 2025 if ordered today
Header Flanges, No Stubs, Stainless, 0.375 in. Thick, 2.125 in. Port, Each
Part Number: KOK-7040S
Not Yet Reviewed
Estimated Ship Date: Oct 31, 2025 if ordered today
Estimated Ship Date: Oct 31, 2025 if ordered today
Headers, Circle Track, 4-1 One-Piece, Steel, 1 3/4 in. Primaries, 3 in. Collector, Chevy, Pair
Part Number: SCH-152E-3
Not Yet Reviewed
Estimated Ship Date: Sep 17, 2025 if ordered today
Estimated Ship Date: Sep 17, 2025 if ordered today
Headers, Circle Track, 4-1 One-Piece, Steel, 1 5/8 in. Primaries, 3 in. Collector, 602 Crate Engine, Chevy, Pair
Part Number: SCH-151ECM2
Not Yet Reviewed
Estimated Ship Date: Sep 17, 2025 if ordered today
Estimated Ship Date: Sep 17, 2025 if ordered today
Headers, Circle Track, Street Stock, 4-1 One-Piece, 1 3/4 in. Primaries, 3.5 in. Collector, 604 Crate Engine, Automatic, Chevy, Pair
Part Number: SCH-186CM
Not Yet Reviewed
Estimated Ship Date: Tomorrow if ordered today
Estimated Ship Date: Tomorrow if ordered today
Headers, Circle Track, Street Stock, 4-1 One-Piece, 1 3/4 in. Primaries, 3 in. Collector, Manual, Chevy, Pair
Part Number: SCH-186M-3
Not Yet Reviewed
Estimated Ship Date: Tomorrow if ordered today
Estimated Ship Date: Tomorrow if ordered today
Header Flanges, No Stubs, Stainless, 0.375 in. Thick, 2.250 in. Port, Each
Part Number: KOK-7041S
Estimated Ship Date: Nov 3, 2025 if ordered today
Estimated Ship Date: Nov 3, 2025 if ordered today
Header Flanges, No Stubs, Steel, 0.313 in. Thick Flange, 1.875 in. Port, Each
Part Number: SCH-0164-5
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Header Flanges, No Stubs, Steel, 0.313 in. Thick Flange, 1.875 in. Port, Each
Part Number: SCH-0120-5
Not Yet Reviewed
Estimated Ship Date: Tomorrow if ordered today
Estimated Ship Date: Tomorrow if ordered today
Header bolt kit for GM GEN V LT Engines. (10) M8-1.25 x 25mm Grade 18-8 SS header bolts. 10mm head.
Part Number: KOK-BK113
Not Yet Reviewed
Estimated Ship Date: Oct 31, 2025 if ordered today
Estimated Ship Date: Oct 31, 2025 if ordered today
Exhaust Block-Off Plates, Chevy, Small Block, Pair
Part Number: CTR-84-100
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Port Block-Off Kits, Exhaust Port Covers, Chevrolet, Small Block, LS, Kit
Part Number: NBX-COV-LS-FLAT
Not Yet Reviewed
Estimated Ship Date: Sep 23, 2025 if ordered today
Estimated Ship Date: Sep 23, 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 20, 2025 if ordered today
Estimated Ship Date: Oct 20, 2025 if ordered today
This product may not be eligible for select promotional offers
Header Flanges, Outer Flange, No Stubs, Steel, 0.250 in. Thick, 1.875 in. Port, Each
Part Number: SCH-0133
Not Yet Reviewed
Estimated Ship Date: Tomorrow if ordered today
Estimated Ship Date: Tomorrow 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: Oct 20, 2025 if ordered today
Estimated Ship Date: Oct 20, 2025 if ordered today
This product may not be eligible for select promotional offers
Need It Sooner? We recommend these similar substitute parts:
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 13, 2025 if ordered today
Estimated Ship Date: Oct 13, 2025 if ordered today
This product may not be eligible for select promotional offers
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 13, 2025 if ordered today
Estimated Ship Date: Oct 13, 2025 if ordered today
This product may not be eligible for select promotional offers
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 13, 2025 if ordered today
Estimated Ship Date: Oct 13, 2025 if ordered today
This product may not be eligible for select promotional offers
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 20, 2025 if ordered today
Estimated Ship Date: Oct 20, 2025 if ordered today
This product may not be eligible for select promotional offers
Need It Sooner? We recommend these similar substitute parts:
HDR FLANGE CHEV OUTER SBC
Part Number: PTE-H7833
Not Yet Reviewed
Estimated Ship Date: Sep 26, 2025 if ordered today
Estimated Ship Date: Sep 26, 2025 if ordered today
Header Fasteners, Bolts, Locking, 12-point, Steel, Nickel Plated, Chevy, 5.7L, Set of 12
Part Number: STG-8907
Estimated Ship Date: Sep 17, 2025 if ordered today
Estimated Ship Date: Sep 17, 2025 if ordered today
Header Fasteners, Bolts, Locking, Double Hex Head, Steel, Nickel Plated, Chevy, 3.8L, Set of 12
Part Number: STG-6912
Estimated Ship Date: Sep 17, 2025 if ordered today
Estimated Ship Date: Sep 17, 2025 if ordered today
Header Flange, Mild Steel, 1/2 in. Thick, GM Ecotec, Each
Part Number: VPE-14630
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Header Flanges, No Stubs, Stainless, 0.375 in. Thick, 2.000 in. Port, Each
Part Number: KOK-7046BS-2
Not Yet Reviewed
Estimated Ship Date: Sep 29, 2025 if ordered today
Estimated Ship Date: Sep 29, 2025 if ordered today
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