Doug's Headers D320

Doug's Headers D320

DOU-D320

4.5 out of 5 stars ( 16 )

Part Number: DOU-D320

Estimated Ship Date: Nov 10, 2026

$1,095.53

$1,217.26

(Save $121.73)

Results 1 - 19 of 19

Exhaust Gaskets, Header, Steel Core Laminate, Round Port, Chevy, Big Block, Set

Part Number: FEL-1411

4.83 out of 5 stars ( 30 )

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Estimated Ship Date: Monday 11/9/2026 if shipped by air

Exhaust Gaskets, Header, Steel Core Laminate, Square Port, Chevy, Big Block, Set

Part Number: FEL-1410

4.89 out of 5 stars ( 18 )

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Estimated Ship Date: Monday 11/9/2026 if shipped by air

Collector Gaskets, Copper, 3-Hole, 3.50 in. Inside Diameter, Pair

Part Number: SUM-620135

4.78 out of 5 stars ( 9 )

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Estimated Ship Date: Monday 11/9/2026 if shipped by air

Exhaust Gasket, Header, Steel Core Composite, Rectangular Stock Port, BBC, Chevy, V8, Pair

Part Number: HOK-10809HKR

4.59 out of 5 stars ( 17 )

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Estimated Ship Date: Monday 11/9/2026 if shipped by air

Exhaust Gaskets, Header, Steel Core Laminate, 1.90 in.x.1.90 in. Port, Chevy, LS1/LS6, Pair

Part Number: FEL-1440

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Estimated Ship Date: Monday 11/9/2026 if shipped by air

Collector Gaskets, Copper, 3-Hole, 3.50 in. Inside Diameter with Hardware, Kit

Part Number: SUM-610135

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Estimated Ship Date: Monday 11/9/2026 if shipped by air

Header Bolts, Wedge Locking, Hex Head, Steel, Black Oxide, 3/8-16 in. Thread, 1.000 in. UHL, Set of 16

Part Number: PRO-66756

4.55 out of 5 stars ( 11 )

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Estimated Ship Date: Monday 11/9/2026 if shipped by air

Exhaust Manifold and Header Gaskets, Steel Core Laminate, Square Port, Chevy, Big Block, BBC, Pair

Part Number: SUM-110452

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Estimated Ship Date: Monday 11/9/2026 if shipped by air

Collector Gaskets, CopperSeal, 3-Hole, 3.5 in. Inside Diameter, Pair

Part Number: MRG-7178C

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Estimated Ship Date: Monday 11/9/2026 if shipped by air

Header Bolts, Wedge Locking, Hex Head, Steel, Black Oxide, 3/8-16 in. Thread, 0.750 in. UHL, Chevy, Set of 16

Part Number: PRO-66752

4.75 out of 5 stars ( 12 )

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Estimated Ship Date: Monday 11/9/2026 if shipped by air

Exhaust Manifold and Header Gaskets, Steel Core Laminate, Round Port, Chevy, Big Block, BBC, Pair

Part Number: SUM-110456

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 14, 2026 if ordered today

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Estimated Ship Date: Dec 14, 2026 if ordered today

Exhaust Header Gaskets, Composite with Steel Core, 1.940 in. Round Port, Chevy, Big Block, Set

Part Number: EDL-7205

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Estimated Ship Date: Monday 11/9/2026 if shipped by air

Collector Gaskets, Copper, Embossed, 3-Hole, 3.50 in. Inside Diameter, Pair

Part Number: SCE-4350

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Estimated Ship Date: Monday 11/9/2026 if shipped by air

Exhaust Gaskets, AccuSeal Pro, Graphite/Steel, Chevy, Big Block, Pair

Part Number: SCE-213182

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Estimated Ship Date: Monday 11/9/2026 if shipped by air

Collector Gaskets, Copper, 3-Hole, 3.50 in. Inside Diameter, Pair

Part Number: SCE-4355

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2026 if ordered today

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Estimated Ship Date: Dec 22, 2026 if ordered today

Exhaust Gaskets, Header, Ultra-Seal, Square Port, Chevy, Big Block, Pair

Part Number: MRG-5910

4.71 out of 5 stars ( 7 )

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Estimated Ship Date: Monday 11/9/2026 if shipped by air

Exhaust Gaskets, Header, Ultra-Seal, Round Port, Chevy, Big Block, Pair

Part Number: MRG-5911

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Estimated Ship Date: Monday 11/9/2026 if shipped by air

Exhaust Gaskets, AccuSeal Pro, Graphite/Steel, Pair

Part Number: SCE-211186

Not Yet Reviewed

Estimated Ship Date: Dec 23, 2026 if ordered today

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Estimated Ship Date: Dec 23, 2026 if ordered today

Exhaust Gaskets, AccuSeal Pro, Graphite/Steel, Chevy, Big Block, Pair

Part Number: SCE-213180

Not Yet Reviewed

Estimated Ship Date: Dec 21, 2026 if ordered today

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Estimated Ship Date: Dec 21, 2026 if ordered today

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