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Replacement Parts for DOU-D670S4

Doug's Headers D670S4

4.75 out of 5 stars ( 7 )

Part Number: DOU-D670S4

Estimated Ship Date from Texas: Monday 10/26/2026

$1,088.99

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Header Collector Gaskets, Graphite Composite, 3-Hole, 2.50 in. Diameter, Pair

Part Number: DOU-CG9005

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Estimated Ship Date: Monday 10/26/2026 if shipped by air

Gaskets, Header Flange, Compressed Fiber Laminate, 4-Barrel Port, Ford, Mercury, 351C, Pair

Part Number: DOU-HG9265

Not Yet Reviewed

Estimated Ship Date: Nov 13, 2026 if ordered today

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Estimated Ship Date: Nov 13, 2026 if ordered today

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