Doug's Headers D303Y

Doug's Headers D303Y

DOU-D303Y

4 out of 5 stars ( 4 )

Part Number: DOU-D303Y

Estimated Ship Date from Nevada: Today

$1,088.77

Results 1 - 16 of 16

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: Today

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

Part Number: FEL-1410

4.89 out of 5 stars ( 18 )

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Collector Gaskets, Copper, 3-Hole, 2.50 in. Inside Diameter with Hardware, Kit

Part Number: SUM-610125

4.64 out of 5 stars ( 22 )

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

Part Number: HOK-10809HKR

4.59 out of 5 stars ( 17 )

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Collector Gaskets, 3-bolt Flange, Copper, 0.062 in. Thick, 2.500 in. I.D., Pair

Part Number: SNH-COPPER25

4.47 out of 5 stars ( 15 )

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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: Today

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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: Today

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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 )

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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: Today

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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: Nov 9, 2026 if ordered today

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Estimated Ship Date: Nov 9, 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: Today

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

Part Number: SCE-213182

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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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: Today

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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: Today

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

Part Number: SCE-213180

Not Yet Reviewed

Estimated Ship Date: Dec 11, 2026 if ordered today

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Estimated Ship Date: Dec 11, 2026 if ordered today

Exhaust Gaskets, AccuSeal Pro, Graphite/Steel, Pair

Part Number: SCE-211186

Not Yet Reviewed

Estimated Ship Date: Dec 8, 2026 if ordered today

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Estimated Ship Date: Dec 8, 2026 if ordered today

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