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Doug's Headers D356 Full Length Header, 1-5/8 In, 55-57 SBC, CC
Doug's Headers D356 Full Length Header, 1-5/8 In, 55-57 SBC, CC

Doug's Headers D356 Full Length Header, 1-5/8 In, 55-57 SBC, CC

265 Chevy Small Block V8, 283 Chevy Small Block V8, Full-length Header Tube Type, Steel, Silver

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Doug's Headers D356 Full Length Header, 1-5/8 In, 55-57 SBC, CC
Doug's Headers D356 Full Length Header, 1-5/8 In, 55-57 SBC, CC
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We estimate this item will ship on or before November 30th.
Part # 447D356
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Important Messages:

  • This item ships directly from the manufacturer. It may take an additional 10 business days for Dougs Headers to ship this item.
  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
  • This item ships via Ground Shipping only. Expedited and Air shipping options are not available.


Header Tube Type:
Metallic Ceramic Coating
Flange Style:
Oval Port
Primary Tube Diameter:
Material Type:
MFG. Part #:
Collector Diameter:
2-1/2 Inch
Hardware Included:
Gasket(s) Included:
Sold in Quantity:
GTIN Code:


Doug's PASSENGER CAR HEADERS Mid Length Metallic Ceramic CoatedHeader development and design is complex and requires a substantial amount of time and resources to do the job right! Many manufacturers are unwilling to make the commitment and instead offer compromised headers at lower prices. Doug's will not compromise performance, quality or fit to compete with inferior designs at cheap prices. Every Doug's header is tuned with the proper tube size and length to efficiently remove all the exhaust from each cylinder, reducing pumping losses resulting in a dramatic increases in horsepower and torque. Doug's headers are carefully developed on the vehicles they are intended to fit and are re-checked numerous times during the design and manufacturing process.

  • 3/8" Thick machined flanges... no warping
  • CNC mandrel bent tubes... accurate fit & better flow
  • Mid length headers provide improved groungd clearance for popular muscle cars and street rods
  • Heavy 16 gauge tubing... longer life
  • Tubes are pre-polished to remove scratches and the header isfinished with a Metallic Ceramic Thermal Barrier Coating polished to a high luster appearance offering corrosion and heat resistance up to 1400 degrees

Installation Instructions (PDF)


1955-1956 Chevrolet Bel Air 4.3L/265 V8
1957 Chevrolet Bel Air 4.6L/283 V8
1955-1956 Chevrolet Corvette 4.3L/265 V8
1957 Chevrolet Corvette 4.6L/283 V8


  • Doug's Headers D356 1 5/8" 4-Tube Shorty Header Chevrolet Pass Small Block Chevrolet 55-57 Metallic Ceramic Coating
  • Shorty Design - Ceramic Coated
  • Collector: 2 1/2
  • Port: OVL
  • Primary: 1 5/8
  • exc. states w/Calif. emission stds
  • Fits D-Port heads
  • Use orig. style V8 pitman arm
  • Fits 605 steering
  • Will not fit if eng. is 3/4+ in. forward
  • Fits TCI mount kit 725-7005-80
  • Fits W/Danchuk mounts
  • with A/C
  • For Off-Road Use Only
  • with Column Shift
  • with Floor Shifter
Some parts are not legal for use in California or other states with similar laws/regulations

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Q & A

  • Maintaining your headers is an important part of any hot rod. Pat gives some tips and demonstrates how well Purple Metal Polish works for keeping your headers looking great.
  • Wouldn't it be nice to get the best of both worlds out of your headers? Speedway Motors has solved that problem with our exclusive heat resistant Armor Hot Coating. Now you can keep that great look with longer life.
  • Pat shows that exhaust can make a difference on even your daily driver. Check out this video of Pat with the Hooker Muffler installed on his '03 Suburban.
  • Our Tru-Ram Exhaust Manifolds are one of our most popular items. Tim provides more details about them and gives you a great look at them.

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