Headers

Header Bolts; Hex Head; 0.375 in.-16 x 0.75 in.; 100 pc.

Part Number: MRG-915A

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Estimated Ship Date: Tomorrow if ordered today

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GM PROTO HEAD

Part Number: KOK-70LSXDR213SS

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Flange Big Block Chevrolet

Part Number: KOK-7039S-200

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Header Bolt Kit for LS Engines. (12) M8-1.25 x 25mm Grade 18-8 SS Header Bolts. 10mm head.

Part Number: KOK-BK110

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Estimated Ship Date: Nov 28, 2025 if ordered today

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Header bolt kit for early Coyote engines. (16) M10-1.50 x 25mm (Coarse Thread) Grade 18-8 SS header bolts. 10mm head.

Part Number: KOK-BK112

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Header Flanges, No Stubs, Stainless, 0.375 in. Thick, 2.375 in. Port, Each

Part Number: KOK-7042S

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Estimated Ship Date: Dec 5, 2025 if ordered today

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FLANGE SBS 2 STAHL W/STUBS

Part Number: SCH-0145-5WS

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Header Flanges, Steel, 0.250 in. Thick, 2.000 in. Port, Each

Part Number: SCH-0436WS

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Header Flanges, Steel, 0.250 in. Thick, 2.000 in. Port, Each

Part Number: SCH-0512WS

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Header Flanges, Steel. 0.250 in. Thick, 2.000 in. Port, Each

Part Number: SCH-0612WS

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Header Flanges, Steel. 0.250 in. Thick, 2.125 in. Port, Each

Part Number: SCH-0613CWS

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 20, 2025 if ordered today

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Header Flanges, Steel. 0.250 in. Thick, 2.125 in. Port, Each

Part Number: SCH-0613WS

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Header Flanges, Steel, 0.250 in. Thick, 1.625 in. Port, Each

Part Number: SCH-FF24WS

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Estimated Ship Date: Oct 20, 2025 if ordered today

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COLL, COLL S/O(2"X4"4TUBE)-3

Part Number: SCH-SO04043

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Estimated Ship Date: Oct 20, 2025 if ordered today

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COLL, COLL S/O (1 1/2"X2 1/2"X4 TUBE

Part Number: SCH-SO52541

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Header Collector, 4 Into 1, Slip-on, 60 Degree, 1.5 in. Primaries, 3 in. Collector, Steel, Black Painted, Each

Part Number: SCH-SO53046

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Header Collector, 4 Into 1, Slip-on, 90 Degree Inside, 1.5 in. Primaries, 3 in. Collector, Steel, Black Painted, Each

Part Number: SCH-SO53048

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Header Collector, 4 Into 1, Slip-on, 90 Degree Outside, 1.5 in. Primaries, 3 in. Collector, Steel, Black Painted, Each

Part Number: SCH-SO53049

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Header Collector, 4 Into 1, Slip-on, 90 Degree, 1.5 in. Primaries, 3 in. Collector, Steel, Black Painted, Harris Chassis, Each

Part Number: SCH-SO53049H

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Header Collector, 4 Into 1, Slip-on, 1.5 in. Primaries, 3.5 in. Collector, Steel, Black Painted, Each

Part Number: SCH-SO53541

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Header Collector, 4 Into 1, Slip-on, 60 Degree, 1.75 in. Primaries, 3.5 in. Collector, Steel, Black Painted, Each

Part Number: SCH-SO73546

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Oct 20, 2025 if ordered today

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Header Collector, 4 Into 1, Slip-on, 90 Degree Inside, 1.75 in. Primaries, 3.5 in. Collector, Steel, Black Painted, Each

Part Number: SCH-SO73548

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Header Collector, 4 Into 1, Slip-on, 90 Degree Outside, 1.75 in. Primaries, 3.5 in. Collector, Steel, Black Painted, Each

Part Number: SCH-SO73549

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Header Collector, 4 Into 1, Slip-on, 90 Degree, 1.75 in. Primaries, 3.5 in. Collector, Steel, Black Painted, Harris Chassis, Each

Part Number: SCH-SO73549H

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Header Collector, 4 Into 1, Slip-on, 30 Degree, 1.875 in. Primaries, 3.5 in. Collector, Steel, Black Painted, Each

Part Number: SCH-SO83543

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Estimated Ship Date: Oct 20, 2025 if ordered today

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