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Hedman 28150

Standard Duty Uncoated Full Length Headers 1970-79 Pontiac Firebird 326-455



Hedman 28150

Part Number: 500-28150

Standard Duty Uncoated Full Length Headers
  • 1970-79 Pontiac Firebird 326-455
  • Tube Size: 1-3/4"
  • Collector Size: 3"
  • $280.99

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    Hedman 28150 Standard Duty Uncoated Full Length Headers 1970-79 Pontiac Firebird 326-455 $280.99

    Hedman 28150 Details

    Pontiac Cars

  • Without smog injection or injection heads.
  • Except round ports.
  • Some heads require drilling and tapping of end holes.
  • Includes parts necessary to retain emission devices. (50 State)
  • Not legal for sale or use in California on pollution controlled motor vehicles.
  • Modification to stock exhaust required to retain catalytic converter.
  • For vehicles 1964 through 1974 without A.I.R. systems, considered as O.E.M. replacement parts when existing emission controls are not removed from vehicle.
  • 1975-1979 only, 50 state legal for these years only.
  • EO#D167-27

  • Specifications:

    Tube Size
    1.75
    Collector Tube Size (in.)
    3
    Application
    Automotive
    Tube Direction
    Down Swept
    Port Shape
    Rectangle
    Material
    Steel
    Engine Make/Size
    Pontiac 326-455
    Coating/Finish
    Painted
    Collector Diameter (in.)
    3
    Gaskets Included
    Yes
    Bolts/Studs Included
    Yes
    CARB EO Number
    D-167-27 (pdf)
    Catalytic Converter(s) Included
    No
    Collector Attachment
    Ball and socket flange
    Cross Over Pipe Included
    No
    Cylinder Head Port Shape
    D-port
    Header Finish
    Painted
    Header Material
    Steel
    Header Style
    Full-length
    Motor Mounts Included
    No
    Primary Tube Diameter (in.)
    1 3/4
    Primary Tube Gauge
    18-gauge
    Quantity
    Sold as a pair
    Reducers Included
    Yes
    Transmission Mount Included
    No
    Tuned
    No
    Weld-Up
    No
    Flange Style
    Standard
    Manufacturer's Part Number:
    28150

    With Hedman's guaranteed fit and lifetime warranty, how can you go wrong with these headers? Most are fabricated from 18-gauge steel with mandrel bent primary tubes and 1/4" flanges; some utilize thicker 14-gauge or 16-gauge tubing with 3/8" flanges. The black paint Hedman applies to uncoated headers is not high-temperature; it is pre-installation protection only. For the ultimate protection from the elements, click the following link to view Hedman's own HTC Hi-Tech Coated Headers. Made in the USA.

    JEGS Easy Kits are designed by JEGS Professionals to help you get all the performance parts you need.

    Does Hedman 28150 fit your vehicle?

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    Aspiration

    1971 PONTIAC FIREBIRD

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Some Heads Require Drilling And Tapping Of End Holes~Without Smog Injection Or Injection Heads~Not For Ram Air III Or IV Styled Heads
    • EngineType: V8
    • SubModel: ESPRIT

    1970 PONTIAC FIREBIRD

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Some Heads Require Drilling And Tapping Of End Holes~Without Smog Injection Or Injection Heads~Not For Ram Air III Or IV Styled Heads
    • Liter: 5.7
    • SubModel: TRANS AM
    • EngineType: V8

    1970-1971 PONTIAC FIREBIRD

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Some Heads Require Drilling And Tapping Of End Holes~Without Smog Injection Or Injection Heads~Not For Ram Air III Or IV Styled Heads
    • Liter: 6.6
    • SubModel: FORMULA
    • EngineType: V8

    1977 PONTIAC FIREBIRD

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Some Heads Require Drilling And Tapping Of End Holes~Without Smog Injection Or Injection Heads~Not For Ram Air III Or IV Styled Heads
    • Liter: 5.7
    • Aspiration: N
    • SubModel: FORMULA
    • Engine Vin: P
    • CUI: 350
    • EngineType: V8

    1977 PONTIAC FIREBIRD

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Some Heads Require Drilling And Tapping Of End Holes~Without Smog Injection Or Injection Heads~Not For Ram Air III Or IV Styled Heads
    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: P
    • CUI: 350
    • EngineType: V8

    1972-1974 PONTIAC FIREBIRD

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Some Heads Require Drilling And Tapping Of End Holes~Without Smog Injection Or Injection Heads~Not For Ram Air III Or IV Styled Heads
    • Liter: 6.6
    • SubModel: ESPRIT
    • EngineType: V8

    1976 PONTIAC FIREBIRD

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Some Heads Require Drilling And Tapping Of End Holes~Without Smog Injection Or Injection Heads~Not For Ram Air III Or IV Styled Heads
    • EngineType: V8
    • SubModel: BASE

    1971 PONTIAC FIREBIRD

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Some Heads Require Drilling And Tapping Of End Holes~Without Smog Injection Or Injection Heads~Not For Ram Air III Or IV Styled Heads
    • Liter: 7.5
    • SubModel: FORMULA
    • EngineType: V8

    1970 PONTIAC FIREBIRD

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Some Heads Require Drilling And Tapping Of End Holes~Without Smog Injection Or Injection Heads~Not For Ram Air III Or IV Styled Heads
    • Liter: 5.7
    • SubModel: ESPRIT
    • EngineType: V8

    1970-1974 PONTIAC FIREBIRD

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Some Heads Require Drilling And Tapping Of End Holes~Without Smog Injection Or Injection Heads~Not For Ram Air III Or IV Styled Heads
    • Liter: 5.7
    • SubModel: BASE
    • EngineType: V8

    1977-1979 PONTIAC FIREBIRD

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Some Heads Require Drilling And Tapping Of End Holes~Without Smog Injection Or Injection Heads~Not For Ram Air III Or IV Styled Heads
    • Liter: 6.6
    • SubModel: FORMULA
    • CUI: 400
    • EngineType: V8

    1970 PONTIAC FIREBIRD

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Some Heads Require Drilling And Tapping Of End Holes~Without Smog Injection Or Injection Heads~Not For Ram Air III Or IV Styled Heads
    • Liter: 6.6
    • SubModel: BASE
    • EngineType: V8

    1976 PONTIAC FIREBIRD

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Some Heads Require Drilling And Tapping Of End Holes~Without Smog Injection Or Injection Heads~Not For Ram Air III Or IV Styled Heads
    • EngineType: V8
    • SubModel: ESPRIT

    1971 PONTIAC FIREBIRD

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Some Heads Require Drilling And Tapping Of End Holes~Without Smog Injection Or Injection Heads~Not For Ram Air III Or IV Styled Heads
    • Liter: 7.5
    • SubModel: TRANS AM
    • EngineType: V8

    1976 PONTIAC FIREBIRD

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Some Heads Require Drilling And Tapping Of End Holes~Without Smog Injection Or Injection Heads~Not For Ram Air III Or IV Styled Heads
    • EngineType: ALL
    • SubModel: FORMULA

    1975 PONTIAC FIREBIRD

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Some Heads Require Drilling And Tapping Of End Holes~Without Smog Injection Or Injection Heads~Not For Ram Air III Or IV Styled Heads
    • Liter: 6.6
    • SubModel: FORMULA
    • EngineType: V8

    1975 PONTIAC FIREBIRD

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Some Heads Require Drilling And Tapping Of End Holes~Without Smog Injection Or Injection Heads~Not For Ram Air III Or IV Styled Heads
    • EngineType: V8
    • SubModel: BASE

    1972-1974 PONTIAC FIREBIRD

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Some Heads Require Drilling And Tapping Of End Holes~Without Smog Injection Or Injection Heads~Not For Ram Air III Or IV Styled Heads
    • EngineType: ALL
    • SubModel: FORMULA

    1975 PONTIAC FIREBIRD

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Some Heads Require Drilling And Tapping Of End Holes~Without Smog Injection Or Injection Heads~Not For Ram Air III Or IV Styled Heads
    • EngineType: V8
    • SubModel: ESPRIT

    1974 PONTIAC FIREBIRD

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Some Heads Require Drilling And Tapping Of End Holes~Without Smog Injection Or Injection Heads~Not For Ram Air III Or IV Styled Heads
    • Liter: 6.6
    • SubModel: BASE
    • EngineType: V8

    1970 PONTIAC FIREBIRD

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Some Heads Require Drilling And Tapping Of End Holes~Without Smog Injection Or Injection Heads~Not For Ram Air III Or IV Styled Heads
    • Liter: 6.6
    • SubModel: TRANS AM
    • EngineType: V8

    1972-1975 PONTIAC FIREBIRD

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Some Heads Require Drilling And Tapping Of End Holes~Without Smog Injection Or Injection Heads~Not For Ram Air III Or IV Styled Heads
    • EngineType: ALL
    • SubModel: TRANS AM

    1977 PONTIAC FIREBIRD

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Some Heads Require Drilling And Tapping Of End Holes~Without Smog Injection Or Injection Heads~Not For Ram Air III Or IV Styled Heads
    • Liter: 5.7
    • Aspiration: N
    • SubModel: ESPRIT
    • Engine Vin: P
    • CUI: 350
    • EngineType: V8

    1977 PONTIAC FIREBIRD

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Some Heads Require Drilling And Tapping Of End Holes~Without Smog Injection Or Injection Heads~Not For Ram Air III Or IV Styled Heads
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8

    1976 PONTIAC FIREBIRD

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Some Heads Require Drilling And Tapping Of End Holes~Without Smog Injection Or Injection Heads~Not For Ram Air III Or IV Styled Heads
    • EngineType: ALL
    • SubModel: TRANS AM

    1974 PONTIAC FIREBIRD TRANS AM

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Some Heads Require Drilling And Tapping Of End Holes~Without Smog Injection Or Injection Heads~Not For Ram Air III Or IV Styled Heads
    • Liter: 6.6
    • SubModel: BASE
    • EngineType: V8

    1977-1979 PONTIAC FIREBIRD

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Some Heads Require Drilling And Tapping Of End Holes~Without Smog Injection Or Injection Heads~Not For Ram Air III Or IV Styled Heads
    • Liter: 6.6
    • SubModel: TRANS AM
    • CUI: 400
    • EngineType: V8

    1972-1974 PONTIAC FIREBIRD

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Some Heads Require Drilling And Tapping Of End Holes~Without Smog Injection Or Injection Heads~Not For Ram Air III Or IV Styled Heads
    • Liter: 5.7
    • SubModel: ESPRIT
    • EngineType: V8

    1970 PONTIAC FIREBIRD

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Some Heads Require Drilling And Tapping Of End Holes~Without Smog Injection Or Injection Heads~Not For Ram Air III Or IV Styled Heads
    • Liter: 6.6
    • SubModel: ESPRIT
    • EngineType: V8
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