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Long Tube Header for 1967-1974 GM F & X-Body Small Block Chevy [Silver Ceramic Coated]
InfoVehicle Info Needed
DOUG'S HEADERSPART NUMBER: 776-D368

Long Tube Header for 1967-1974 GM F & X-Body Small Block Chevy [Silver Ceramic Coated]

$76537$850.41You Save$85.04
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Small Block Chevy - 1-3/4'' Tube Diameter
Long Tube Header
  • 1967-1974 GM F & X-Body Small Block Chevy
  • 302-327 Small Block Chevy V8
  • 1.75 in. Primary Tubes with 3.0 in. Collector
  • 16-gauge Steel Construction
  • Gaskets Included
  • Silver Ceramic Coated Finish

    This long tube header is engineered to reduce backpressure and improve exhaust flow for enthusiasts, delivering measurable gains over a factory exhaust manifold.

    Header Specifications:

    • 1967-1974 GM F & X-Body Small Block Chevy
    • 302-327 Small Block Chevy V8
    • 1.75 in. Primary Tubes with 3.0 in. Collector
    • 16-gauge Steel Construction
    • Gaskets Included
    • Silver Ceramic Coated Finish

    • 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%!

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    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

    Part TypeHeader
    Product LineDoug's Headers for GM Passenger Cars
    BrandDOUG'S HEADERS
    Package Height11.0
    Package Width20.25
    Package Length39.0
    Weight39.0 PG
    Part CategoryPerformance Parts
    PositionN/A
    Header FinishSilver ceramic coated
    QuantitySold as a pair
    Bolts/Studs IncludedYes
    Cylinder Head Port ShapeSAP
    Transmission Mount IncludedNo
    Header MaterialSteel
    Gaskets IncludedYes
    Weld-UpNo
    Brake SystemPower
    Collector Attachment3-bolt flange
    Flange StyleStandard
    TunedNo
    Collector Diameter3.0 in.
    Motor Mounts IncludedNo
    Part FitmentSemi Universal
    Reducers IncludedYes
    Primary Tube Outside Diameter1.75 in.
    Primary Tube Gauge16-gauge
    Header StyleFull-length
    Cross Over Pipe IncludedNo
    Catalytic Converter(S) IncludedNo
    Primary Tube Diameter1.75 in (44.5 mm)
    Vendor Part NumberD368
    Package Qty1
    Package TypeEA
    No Questions
    No Reviews
    Please click here to download the instructions PDF file

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