Doug's Headers D311

Doug's Headers D311

DOU-D311

Not Yet Reviewed

Part Number: DOU-D311

Estimated Ship Date: Oct 30, 2026

$1,071.99

Results 1 - 12 of 12

Collector Gaskets, Copper, 3-Hole, 3.00 in. Inside Diameter, Pair

Part Number: SUM-620130

5.0 out of 5 stars ( 34 )

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

Part Number: FEL-1405

4.94 out of 5 stars ( 31 )

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Collector Gaskets, Copper, 3-Hole, 3.00 in. Inside Diameter with Hardware, Kit

Part Number: SUM-610130

4.79 out of 5 stars ( 34 )

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Exhaust Gaskets, Header, Ultra-Seal, Steel Core Laminate, Square Port, Chevy, Small Block, Pair

Part Number: MRG-5901

4.84 out of 5 stars ( 19 )

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Collector Gaskets, 3-bolt Flange, Copper, 0.062 in. Thick, 3.000 in. I.D., Pair

Part Number: SNH-COPPER3

4.64 out of 5 stars ( 14 )

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

Part Number: MRG-7177C

4.43 out of 5 stars ( 7 )

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Exhaust Manifold and Header Gaskets, Steel Core Laminate, Square Port, Chevy, GM, Small Block, SBC, Pair

Part Number: SUM-110451

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Exhaust Gaskets, Header, Fiber, Stock Port, Chevy, Small Block, Kit

Part Number: BIG-99161FLT

4.65 out of 5 stars ( 26 )

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Gasket, Manifold, Exhaust, Chevy, Small Block, Pair

Part Number: CGT-C5892-030

4.0 out of 5 stars ( 4 )

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Collector Gaskets, Copper, Embossed, 3-Hole, 3.00 in. Inside Diameter, Pair

Part Number: SCE-4300

5.0 out of 5 stars ( 10 )

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Exhaust Gaskets, Header, Ultra-Seal, Steel Core Laminate, Square Port, Chevy, Small Block, Pair

Part Number: MRG-5900

4.67 out of 5 stars ( 3 )

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Exhaust Gaskets, Header, AccuSeal Pro, Graphite/Steel, Chevy, Small Block, Pair

Part Number: SCE-211180

5.0 out of 5 stars ( 2 )

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