Overview:
55-57 Chevy BBC Fenderwell Black Ctd
This fitment is tailored for popular aftermarket engine swap kits. Doug’s engine swap headers were developed to solve common fitment issues in tight spaces, making your swap process smoother. No more guesswork or modifications needed – just straightforward installations that save you time and frustration.
Features:
- 3/8″ thick 304 stainless machine flanges to prevent warping
- CNC 304 stainless mandrel bent tubes for an accurate fit and improved flow
- Precision formed long transition collectors and long tube design reduce backpressure and increase higher RPM horsepower
Specs:
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Brand: Doug’s Headers
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Collector Attachment: 3-Bolt Flange
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Collector Diameter: 3.5 IN
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Collector Port Diameter: 3.5 IN
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Color: Black
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Cylinder Head Port Shape: SAP
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Design: Fenderwell
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EGT Port: No
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Finish: Hi-Temp Black Coating
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Flange Thickness: 0.375 IN
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Gasket Or Seal Included: Yes
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Gaskets Included: Yes
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Grade Type: Performance
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Header Material: Steel
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Header Style: Fenderwell
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Material: Steel
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Mounting Hardware Included: Yes
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Oxygen Sensor Port: No
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Port Shape: Round
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Primary Tube Outside Diameter: 2.0 IN
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Primary Tubing Diameter: 2.0 IN
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Prop 65 (C, R or CR): CR
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Prop 65 Yes/No: Yes
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Sheen Level: Matte
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Title: Doug’s Fenderwell Header 55-57 Chevy 396-502 BBC Engine Swap 2″ Primary 3 1/2″ Collector Black Hi Temp Coated D352-B
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Tube Wall Thickness: 16 GU
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Part Number: D352-B
Emissions:
- This product is Legal for use on Pre-Pollution Controlled Vehicles. It is legal for use on all vehicles produced Before Emissions Control Regulations were imposed. These are considered Uncontrolled Vehicles and are defined as follows
- 1965 and Older US Manufactured California Certified Vehicles
- 1967 and Older US Manufactured Federally Certified Vehicles
- 1967 and Older Foreign Manufactured Vehicles
Fitment Notes:
- Fenderwell
- For use with 396-572 Chevrolet Big Block.
- May require smaller front tires to avoid contact.
- May require alteration of emergency brake rod.
- Check motor mount position before ordering.
