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Hooker Headers 4901 - Hooker Headers Competition Headers Chevy/GM Car

Hooker Headers 4901 - Hooker Headers Competition Headers Chevy/GM Car

Hooker Headers#520-4901

Competition Headers
  • 350-455 Pontiac
  • 1970-79 Firebird/Trans Am
  • 1964-75 GTO, LeMans, Grand Am
  • 1.625'' x 28'' Primary Tubes
  • 3'' x 8'' Collector
  • Black Painted

    Hooker Headers 4901 - Hooker Headers Competition Headers Chevy/GM Car Details

    Pontiac 350-455

    Footnotes:
  • Some factory heads do not have bolt hole in end. Holes must be drilled andtapped to assure proper seal.

    Accessory Compatibility:
  • Power Steering - Yes
  • Power Brakes - Yes
  • Air Conditioning - Yes
  • Smog Pump - N/A

    Transmission Compatibility:
  • Manual Column Shifter - No
  • Manual Floor Shifter - Yes
  • Automatic Column Shifter - No
  • Automatic Floor Shifter - Yes

    Included Items Note: Bolts and Gaskets Included, Reducers required

    Port Shape:

    Emissions Compatibility:

  • Hooker Headers 4901 - Hooker Headers Competition Headers Chevy/GM Car

    All Budget Headers are NOT Created Equal!
    Hooker's Competition Series Headers come in your choice of finishes and are engineered to perform at a reasonable price! To let your engine really breathe, Hooker utilized 16 gauge (.049'' thick) steel tubing attached to long transition style collectors. Giving you a serious increase in flow over other brand headers without a loss in the backpressure most engines need to perform! After years of testing, Hooker has discovered that a machined 5/16'' header flange offers enough flex to hold the gasket tight to each exhaust port plus enough rigidity to keep everything properly tied together.

    Features
  • Mandrel-bent tuned-length tubing for smooth exhaust flow and power
  • Sturdy 16 gauge steel tubing
  • Perfect seal 5/16'' machined header flanges
  • Long transition collector for improved power over standard headers
  • Gaskets and bolts included (Reducers sold separately)
  • Available in five finishes to suit your needs (see listings below for product availability) -

    Black Painted (Part numbers do not have a suffix)

    Metallic Ceramic Coating (Part numbers have a -1 suffix)

    Stainless Steel (Part numbers have a -2 suffix)

    "Darksides" Black Ceramic Coating (Part numbers have a -3 suffix)

    Titanium Ceramic Coating (Part numbers have a -4 suffix)

  • Hooker Headers 520-4901

    Tube Size (in.)
    1.625
    Collector Tube Size (in.)
    3
    Application
    Automotive
    Coating/Finish
    Black
    Tube Direction
    Down Swept
    Engine Make/Size
    Pontiac 400-455
    Port Shape
    Same As Port/Can Be Matched
    Material
    Mild Steel
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