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No product photograph is currently available. Click Full Details for 360 View. Photo of header reducers, gaskets and hardware included with Hedman Hedders Some factory Pontiac heads require front & rear manifold bolt holes be drilled. This Product is MADE IN THE USA! Photo of Hedman's Black-Maxx Satin Black Ceramic-metallic header finish.
Photo of Hedman's Black-Maxx Satin Black Ceramic-metallic header finish.

Black Long 4-Tube Headers for 1967-81 Pontiac Firebird with Pontiac V8

FIREBIRD 70-81- BLACK MAXX

Part#28153
$777.13
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Product Specifications

[PLEASE REVIEW THE FOLLOWING PRODUCT ATTRIBUTES & VEHICLE APPLICATION FOOTNOTES SPECIFIC TO YOUR VEHICLE, THOROUGHLY]

  • Tube Diameter 1-3/4 in.
  • Tube Style Long Tubes
  • Air Conditioning Yes
  • Automatic Transmission - Column No
  • Automatic Transmission - Floor Yes
  • Manual Transmission - Column Yes
  • Manual Transmission - Floor Yes
  • Collector Attachment 3 in.
  • Collector Diameter 3 in.
  • Collector Size 3 in.
  • Collector Style BALL and SOCKET Style (Gasketless)
  • Reducer Outlet Size 2-1/2 in.
  • Exhaust System Dia 2-1/2 in.
  • Contents headers, gaskets (when applicable), 3-bolt exhaust adapters, hardware
  • E.O. # No
  • Emissions Notes Not currently legal for sale or use in California. Please call for status update
  • Finish BLACK MAXX Satin Black Ceramic-Metallic
  • Finish Type BLACK MAXX- Black Ceramic-Metallic Coating
  • Flange Style Standard
  • Flange Thickness 0.3125 in.
  • Header Style Long Tube
  • Notes 70-81 Trans-Am 326-455
  • Power Steering Yes
  • Material Mild Steel
  • Tube Design Standard
  • Tube Length Long Tubes
  • Tube Material Thickness 16g
  • Tube Size 1-3/4 in.
  • Variations 28150
  • with A.I.R. System No
  • with EGR No
  • Weld-Up No
  • Tuned No
  • Bolts/Studs Included Yes
  • Catalytic Converter(s) Included No
  • Crossover Pipe Included No
  • Gasket Or Seal Included Yes
  • Header Fasteners Included Yes
  • Installation Hardware Included Yes
  • Motor Mounts Included No
  • Mounting Hardware Included Yes
  • Reducers Included Yes
  • Y-Pipe Included No
  • Quantity Sold as a pair.
  • Primary Tube Gauge 16g
  • Primary Tube Diameter (in) 1.75 in.
  • Package Contents Headers, ball and socket reducers (exhaust adapters), gaskets, mounting hardware
  • Header Material Mild Steel
  • Header Finish BLACK MAXX Satin Black Ceramic-Metallic
  • Cylinder Head Port Shape Oval
  • Cylinder Head Stock Profile Heads
  • Header Construction MILD STEEL- Standard-Duty
  • Replacement Gasket 27600
  • Replacement Head Flange Gasket 27600
  • California Proposition 65 WARNING: Cancer & Reproductive Harm. For more info visit www.P65Warnings.ca.gov

Vehicle Applications

      Year C.I.D. Liter Block Type Cylinders Fuel Type Drive Type
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnYes
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (23) Some heads require drilling and tapping of end holes.
      Not For Ram Air III or IV style heads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnYes
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (23) Some heads require drilling and tapping of end holes.
      Not For Ram Air III or IV style heads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnYes
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (23) Some heads require drilling and tapping of end holes.
      Not For Ram Air III or IV style heads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnYes
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (23) Some heads require drilling and tapping of end holes.
      Not For Ram Air III or IV style heads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnYes
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (23) Some heads require drilling and tapping of end holes.
      Not For Ram Air III or IV style heads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnYes
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (23) Some heads require drilling and tapping of end holes.
      Not For Ram Air III or IV style heads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnYes
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (23) Some heads require drilling and tapping of end holes.
      Not For Ram Air III or IV style heads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnYes
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (23) Some heads require drilling and tapping of end holes.
      Not For Ram Air III or IV style heads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnYes
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (23) Some heads require drilling and tapping of end holes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Not For Ram Air III or IV style heads.
      Emissions NotesNOT LEGAL FOR STREET USE! Not currently applicable or intended for street or highway use. Call for up-to-date status.
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnYes
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (23) Some heads require drilling and tapping of end holes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Not For Ram Air III or IV style heads.
      Emissions NotesNOT LEGAL FOR STREET USE! Not currently applicable or intended for street or highway use. Call for up-to-date status.
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnYes
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (23) Some heads require drilling and tapping of end holes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Not For Ram Air III or IV style heads.
      Emissions NotesNOT LEGAL FOR STREET USE! Not currently applicable or intended for street or highway use. Call for up-to-date status.
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnYes
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (23) Some heads require drilling and tapping of end holes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Not For Ram Air III or IV style heads.
      Emissions NotesNOT LEGAL FOR STREET USE! Not currently applicable or intended for street or highway use. Call for up-to-date status.
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnYes
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (23) Some heads require drilling and tapping of end holes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Not For Ram Air III or IV style heads.
      Emissions NotesNOT LEGAL FOR STREET USE! Not currently applicable or intended for street or highway use. Call for up-to-date status.
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnYes
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (23) Some heads require drilling and tapping of end holes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Not For Ram Air III or IV style heads.
      Emissions NotesNOT LEGAL FOR STREET USE! Not currently applicable or intended for street or highway use. Call for up-to-date status.
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnYes
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (23) Some heads require drilling and tapping of end holes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Not For Ram Air III or IV style heads.
      Emissions NotesNOT LEGAL FOR STREET USE! Not currently applicable or intended for street or highway use. Call for up-to-date status.
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnYes
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (23) Some heads require drilling and tapping of end holes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Not For Ram Air III or IV style heads.
      Emissions NotesNOT LEGAL FOR STREET USE! Not currently applicable or intended for street or highway use. Call for up-to-date status.
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnYes
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (23) Some heads require drilling and tapping of end holes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Not For Ram Air III or IV style heads.
      Emissions NotesNOT LEGAL FOR STREET USE! Not currently applicable or intended for street or highway use. Call for up-to-date status.
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnYes
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (23) Some heads require drilling and tapping of end holes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Not For Ram Air III or IV style heads.
      Emissions NotesNOT LEGAL FOR STREET USE! Not currently applicable or intended for street or highway use. Call for up-to-date status.
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