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Doug's Headers D3337 - Doug's Headers for GM Passenger Cars

Doug's Headers D3337 - Doug's Headers for GM Passenger Cars

Doug's Headers#776-D3337

Metallic Ceramic Coated Headers
  • 1967-74 GM LS1/LS6
  • 1-3/4'' Tube Diameter
  • 3'' Collector
  • SAP Port Shape

    Doug's Headers D3337 - Doug's Headers for GM Passenger Cars Details

    GM LS1/LS6 - 1-3/4'' Tube Diameter

    Fits:

    • 1967-69 Camaro, Firebird, Trans Am
    • 1968-74 Chevy II, Nova

    Notes:

    • Requires LS1 adapter plate kit 776-SK100.
    • Includes 3'' to 2-1/2'' reducers with O2 fittings.
    • O2 senosors provided work with LS1 & LS7 applications only.

    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.
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    A/CP/BP/SColumnFloorColumnFloor
    Y Y Y Y Y Y Y

    Doug's Headers D3337 - Doug's Headers for GM Passenger Cars

    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%!

    Features:
  • 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

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