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Doug's Headers D581 - Doug's Headers for GM Passenger Cars

Doug's Headers D581 - Doug's Headers for GM Passenger Cars

JEGS Part Number: 776-D581

Metallic Ceramic Coated Headers
  • 1970-81 Pontiac 326-455
  • 1-7/8'' Tube Diameter
  • 3-1/2'' Collector
  • Round Port Shape
  • $814.02
    Ships 07/05/16
    if Ordered Today
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    Doug's Headers D581 - Doug's Headers for GM Passenger Cars Details

    Pontiac - 1-7/8'' Tube Diameter


    • 1970-81 Firebire, Trans Am


    • Requires removal or modification of locking steering columns if equipped.
    • Fits Edelbrock Performer, RAM-Air, Super Duty and H.O. heads only.
    • Header fits with Milodon oil pans 697-30355, 697-31660 and 697-31665.

    Emission Code:

    • The product accompanying this document is legal only for off-highway use (except in California or states that have adopted California emission standards), racing use or for use on pre-emission-controlled motor vehicles/motor vehicle engines (pre-1974 domestic vehicles certified to California standards, pre-1974 domestic vehicles certified to federal standards and all pre-1974 foreign vehicles), per the manufacturer's application guide.
    Y Y Y N Y N Y


    Manufacturer's Part Number:

    Every Doug's Header is Tuned with the Proper Tube Size & Length to Efficiently Remove Exhaust Gasses from Each Cylinder

    Headers feature 3/8'' flanges and 16-gauge tubing on passenger car applications. They include all necessary mounting hardware, collector reducers or connection pipes, premium gaskets and detailed instructions. Headers are available in either a Metallic Ceramic Thermal Barrier Coating or a uncoated raw finish. The Metallic Ceramic Thermal Barrier Coating will withstand up to 1400 degree temperatures! This coating is polished which increases corrosion resistance over 60%!

  • Thick Flanges Prevent Warping
  • Stitch Welded Ports for Added Strength
  • Machined Sealing Bead Eliminates Leaks
  • Heavy Gauge Tubing for Longer Life
  • Precision-Formed Collectors Reduce Back Pressure
  • CNC Mandrel-Bent Tubing Provides Accurate Fit & Better Flow

    See More Info for Applications Listing