MERCURY COMET Doug's Headers Headers

Headers, Long Tube, Steel, Silver Ceramic Coated, SAP Port, Ford, Mercury, Small Block Windsor, Pair

Part Number: DOU-D623

3.91 out of 5 stars ( 11 )

Estimated Ship Date: Today

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Headers, Mid-Length, Steel, Ceramic Coated, Ford, Mercury, 351W, Pair

Part Number: DOU-D669Y

4.6 out of 5 stars ( 10 )

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Headers, Mid-Length, Stainless Steel, Natural, Ford, Mercury, 351W, Pair

Part Number: DOU-D669Y-SS

4.0 out of 5 stars ( 2 )

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Headers, Long Tube, Steel, Hi-Temp Black Coating, 3.0 in. Collector, D-port, Ford, 390, 427, 428, Pair

Part Number: DOU-D625-B

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Headers, Tri-Y, Steel, Ceramic Coated, Ford, 260, 289, 302, C-4 Automatic, Pair

Part Number: DOU-D660YA

4.4 out of 5 stars ( 10 )

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Headers, Tri-Y, Steel, Painted, 2.5 in. Collector, SAP Port, Ford, Mercury, 260, 289, Pair

Part Number: DOU-D660YA-B

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Feb 9, 2026 if ordered today

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Headers, Tri-Y, Stainless Steel, Natural, Coated, Ford, 260, 289, 302, Manual, Pair

Part Number: DOU-D660YS-SS

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Headers, Long Tube, Steel, Painted, 3.0 in. Collector, SAP Port, Ford, Mercury, Small Block Windsor, Pair

Part Number: DOU-D623-B

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Headers, Mid Length, Steel, Painted, Ford, Mercury, 351W, Pair

Part Number: DOU-D669Y-B

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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