MERCURY COMET Headers

Headers, Long Tube, Stainless Steel, Natural, 3-Bolt Flange Small Block, Ford. Pair

Part Number: DOU-D623-SS

Not Yet Reviewed

Estimated Ship Date: Today

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• Mfr. Rebate

$100.00 Mail-In Rebate

Price after Manufacturer Rebate: $906.85

Rebate Expires: 9/30/2025

Get $100 back after rebate on this Dougs Header! For more information go to: https://pertronixbrands.com/blogs/rebates ...Read More

Get $100 back after rebate on qualifying Dougs Headers! Go to https://pertronixbrands.com/blogs/rebates for a complete list of products and to redeem offer. Valid on purchases made between 7/1/25 and 9/30/25. Rebate submission must be postmarked by 10/31/25. Limit one rebate per household. Allow 3-4 weeks for processing. Rebate for end consumer only. Valid in the USA, Canada and Puerto Rico. Show Less

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Headers, Long Tube, Steel, Ceramic Coated, 1.75 in Primary, 3 in Collector, Ford, Mercury, FE, V8, Automatic, Pair

Part Number: DOU-D625

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

• Free Shipping
• Mfr. Rebate

$100.00 Mail-In Rebate

Price after Manufacturer Rebate: $967.85

Rebate Expires: 9/30/2025

Get $100 back after rebate on this Dougs Header! For more information go to: https://pertronixbrands.com/blogs/rebates ...Read More

Get $100 back after rebate on qualifying Dougs Headers! Go to https://pertronixbrands.com/blogs/rebates for a complete list of products and to redeem offer. Valid on purchases made between 7/1/25 and 9/30/25. Rebate submission must be postmarked by 10/31/25. Limit one rebate per household. Allow 3-4 weeks for processing. Rebate for end consumer only. Valid in the USA, Canada and Puerto Rico. Show Less

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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

• Free Shipping
• Mfr. Rebate

$100.00 Mail-In Rebate

Price after Manufacturer Rebate: $874.50

Rebate Expires: 9/30/2025

Get $100 back after rebate on this Dougs Header! For more information go to: https://pertronixbrands.com/blogs/rebates ...Read More

Get $100 back after rebate on qualifying Dougs Headers! Go to https://pertronixbrands.com/blogs/rebates for a complete list of products and to redeem offer. Valid on purchases made between 7/1/25 and 9/30/25. Rebate submission must be postmarked by 10/31/25. Limit one rebate per household. Allow 3-4 weeks for processing. Rebate for end consumer only. Valid in the USA, Canada and Puerto Rico. Show Less

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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 )

Estimated Ship Date: Today

• Free Shipping
• Mfr. Rebate

$100.00 Mail-In Rebate

Price after Manufacturer Rebate: $782.70

Rebate Expires: 9/30/2025

Get $100 back after rebate on this Dougs Header! For more information go to: https://pertronixbrands.com/blogs/rebates ...Read More

Get $100 back after rebate on qualifying Dougs Headers! Go to https://pertronixbrands.com/blogs/rebates for a complete list of products and to redeem offer. Valid on purchases made between 7/1/25 and 9/30/25. Rebate submission must be postmarked by 10/31/25. Limit one rebate per household. Allow 3-4 weeks for processing. Rebate for end consumer only. Valid in the USA, Canada and Puerto Rico. Show Less

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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 )

Estimated Ship Date: Today

• Free Shipping
• Mfr. Rebate

$100.00 Mail-In Rebate

Price after Manufacturer Rebate: $874.50

Rebate Expires: 9/30/2025

Get $100 back after rebate on this Dougs Header! For more information go to: https://pertronixbrands.com/blogs/rebates ...Read More

Get $100 back after rebate on qualifying Dougs Headers! Go to https://pertronixbrands.com/blogs/rebates for a complete list of products and to redeem offer. Valid on purchases made between 7/1/25 and 9/30/25. Rebate submission must be postmarked by 10/31/25. Limit one rebate per household. Allow 3-4 weeks for processing. Rebate for end consumer only. Valid in the USA, Canada and Puerto Rico. Show Less

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Headers, Competition, Long Tube, Steel, Black Ceramic Coated, Ford, Mercury, 260, 289, 302, 351W, Pair

Part Number: HOK-6901-3HKR

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Headers, Super Competition, Long Tube, Steel, Painted, Ford, Mercury, 260, 285, 302, Pair

Part Number: HOK-6102HKR

2.4 out of 5 stars ( 5 )

Estimated Ship Date: Today

• Free Shipping

Headers, Tri-Y, Stainless Steel, Natural, Ford, 260, 289, 302, C-4 Automatic, Pair

Part Number: DOU-D660YA-SS

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping
• Mfr. Rebate

$100.00 Mail-In Rebate

Price after Manufacturer Rebate: $953.00

Rebate Expires: 9/30/2025

Get $100 back after rebate on this Dougs Header! For more information go to: https://pertronixbrands.com/blogs/rebates ...Read More

Get $100 back after rebate on qualifying Dougs Headers! Go to https://pertronixbrands.com/blogs/rebates for a complete list of products and to redeem offer. Valid on purchases made between 7/1/25 and 9/30/25. Rebate submission must be postmarked by 10/31/25. Limit one rebate per household. Allow 3-4 weeks for processing. Rebate for end consumer only. Valid in the USA, Canada and Puerto Rico. Show Less

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Headers, Super Competition, Long Tube, Ceramic Coated, Painted, Ford, Mercury, 351W, Pair

Part Number: HOK-6116-1HKR

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 3, 2025 if ordered today

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Headers, Tri-Y, Steel, Silver Ceramic Coated, 1 3/4 - 2 in. Primary Tube O.D., 3.00 in. Collector Diameter, SAP Port, Ford, Mercury, 351W, Pair

Part Number: DOU-D669Y-1

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Oct 9, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order
• Mfr. Rebate

$100.00 Mail-In Rebate

Price after Manufacturer Rebate: $923.30

Rebate Expires: 9/30/2025

Get $100 back after rebate on this Dougs Header! For more information go to: https://pertronixbrands.com/blogs/rebates ...Read More

Get $100 back after rebate on qualifying Dougs Headers! Go to https://pertronixbrands.com/blogs/rebates for a complete list of products and to redeem offer. Valid on purchases made between 7/1/25 and 9/30/25. Rebate submission must be postmarked by 10/31/25. Limit one rebate per household. Allow 3-4 weeks for processing. Rebate for end consumer only. Valid in the USA, Canada and Puerto Rico. Show Less

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Headers, Competition, Long Tube, Stainless Steel, Ford, Mercury, 260, 289, 302, 351W, Pair

Part Number: HOK-6901-2HKR

3.17 out of 5 stars ( 6 )

Estimated Ship Date: Today

• Free Shipping

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

• Free Shipping

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

Part Number: DOU-D669Y

4.6 out of 5 stars ( 10 )

Estimated Ship Date: Today

• Free Shipping
• Mfr. Rebate

$100.00 Mail-In Rebate

Price after Manufacturer Rebate: $893.60

Rebate Expires: 9/30/2025

Get $100 back after rebate on this Dougs Header! For more information go to: https://pertronixbrands.com/blogs/rebates ...Read More

Get $100 back after rebate on qualifying Dougs Headers! Go to https://pertronixbrands.com/blogs/rebates for a complete list of products and to redeem offer. Valid on purchases made between 7/1/25 and 9/30/25. Rebate submission must be postmarked by 10/31/25. Limit one rebate per household. Allow 3-4 weeks for processing. Rebate for end consumer only. Valid in the USA, Canada and Puerto Rico. Show Less

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Headers, Long Tube, Steel, Ceramic Coated, 1.75 in Primary, 3 in Collector, Ford, Mercury, FE, V8, Manual, Pair

Part Number: DOU-D625S

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping
• Mfr. Rebate

$100.00 Mail-In Rebate

Price after Manufacturer Rebate: $920.65

Rebate Expires: 9/30/2025

Get $100 back after rebate on this Dougs Header! For more information go to: https://pertronixbrands.com/blogs/rebates ...Read More

Get $100 back after rebate on qualifying Dougs Headers! Go to https://pertronixbrands.com/blogs/rebates for a complete list of products and to redeem offer. Valid on purchases made between 7/1/25 and 9/30/25. Rebate submission must be postmarked by 10/31/25. Limit one rebate per household. Allow 3-4 weeks for processing. Rebate for end consumer only. Valid in the USA, Canada and Puerto Rico. Show Less

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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: Oct 8, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Part Number: DOU-D669Y-B

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Headers, Long Tube, Steel, Ceramic Coated, Ford, Mercury, 289, 302, Pair

Part Number: DOU-D668

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping
• Mfr. Rebate

$100.00 Mail-In Rebate

Price after Manufacturer Rebate: $920.65

Rebate Expires: 9/30/2025

Get $100 back after rebate on this Dougs Header! For more information go to: https://pertronixbrands.com/blogs/rebates ...Read More

Get $100 back after rebate on qualifying Dougs Headers! Go to https://pertronixbrands.com/blogs/rebates for a complete list of products and to redeem offer. Valid on purchases made between 7/1/25 and 9/30/25. Rebate submission must be postmarked by 10/31/25. Limit one rebate per household. Allow 3-4 weeks for processing. Rebate for end consumer only. Valid in the USA, Canada and Puerto Rico. Show Less

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