Photo of long tube Hedman headers with EGR & A.I.R. for 1987-91 Chevy Corvettes Photo of header reducers, gaskets and hardware included with Hedman Hedders This Product is MADE IN THE USA! Photo of Hedman's Black-Maxx Satin Black Ceramic-metallic header finish.

Black Long-Tube Headers For '87-91 Corvette 283-400 with A.I.R.

87-91 SB CORVETTE W/A.I.R.-EGR- BLACK MAXX


Product Specifications

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

  • Tube Diameter 1-5/8 in.
  • Tube Style Long Tubes
  • Air Conditioning Yes
  • Automatic Transmission - Column No
  • Automatic Transmission - Floor Yes
  • Manual Transmission - Column No
  • 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 Header(s), new bolts, gasket(s) to head, reducer(s) and hardware, instructions
  • 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 Port Shape Round
  • Header Style Long Tube
  • Notes 87-91 Corvete 283-400
  • Key Feature 50 State (With EGR)
  • Port Shape Round
  • Power Steering Yes
  • Material Mild Steel
  • Tube Design Standard
  • Tube Length Long Tubes
  • Tube Material Thickness 16g
  • Tube Size 1-5/8 in.
  • Variations 68447, 68487
  • Installation Notes EGR Gasket Not Included! Must purchase AC Delco #219-590 or GM #19236589
  • with A.I.R. System Yes
  • with EGR No
  • Weld-Up No
  • Tuned No
  • Bolts/Studs Included Yes
  • Catalytic Converter(s) Included No
  • Collector Bolts Included Yes
  • 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) 1.625 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 Round
  • Cylinder Head Stock Profile Heads
  • Header Construction MILD STEEL- Standard-Duty
  • Replacement Gasket 27500
  • Replacement Head Flange Gasket 27500
  • 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 - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (204) With E.G.R.
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesNOT LEGAL FOR STREET USE! Not currently applicable or intended for street or highway use. Call for up-to-date status.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (204) With E.G.R.
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesNOT LEGAL FOR STREET USE! Not currently applicable or intended for street or highway use. Call for up-to-date status.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (204) With E.G.R.
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesNOT LEGAL FOR STREET USE! Not currently applicable or intended for street or highway use. Call for up-to-date status.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (204) With E.G.R.
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesNOT LEGAL FOR STREET USE! Not currently applicable or intended for street or highway use. Call for up-to-date status.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (204) With E.G.R.
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesNOT LEGAL FOR STREET USE! Not currently applicable or intended for street or highway use. Call for up-to-date status.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (204) With E.G.R.
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesNOT LEGAL FOR STREET USE! Not currently applicable or intended for street or highway use. Call for up-to-date status.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (204) With E.G.R.
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesNOT LEGAL FOR STREET USE! Not currently applicable or intended for street or highway use. Call for up-to-date status.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (204) With E.G.R.
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesNOT LEGAL FOR STREET USE! Not currently applicable or intended for street or highway use. Call for up-to-date status.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (204) With E.G.R.
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesNOT LEGAL FOR STREET USE! Not currently applicable or intended for street or highway use. Call for up-to-date status.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (204) With E.G.R.
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesNOT LEGAL FOR STREET USE! Not currently applicable or intended for street or highway use. Call for up-to-date status.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (204) With E.G.R.
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesNOT LEGAL FOR STREET USE! Not currently applicable or intended for street or highway use. Call for up-to-date status.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (204) With E.G.R.
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesNOT LEGAL FOR STREET USE! Not currently applicable or intended for street or highway use. Call for up-to-date status.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (204) With E.G.R.
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesNOT LEGAL FOR STREET USE! Not currently applicable or intended for street or highway use. Call for up-to-date status.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (204) With E.G.R.
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesNOT LEGAL FOR STREET USE! Not currently applicable or intended for street or highway use. Call for up-to-date status.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (204) With E.G.R.
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesNOT LEGAL FOR STREET USE! Not currently applicable or intended for street or highway use. Call for up-to-date status.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (204) With E.G.R.
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesNOT LEGAL FOR STREET USE! Not currently applicable or intended for street or highway use. Call for up-to-date status.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (204) With E.G.R.
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesNOT LEGAL FOR STREET USE! Not currently applicable or intended for street or highway use. Call for up-to-date status.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (204) With E.G.R.
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesNOT LEGAL FOR STREET USE! Not currently applicable or intended for street or highway use. Call for up-to-date status.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (204) With E.G.R.
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesNOT LEGAL FOR STREET USE! Not currently applicable or intended for street or highway use. Call for up-to-date status.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (204) With E.G.R.
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesNOT LEGAL FOR STREET USE! Not currently applicable or intended for street or highway use. Call for up-to-date status.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (204) With E.G.R.
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesNOT LEGAL FOR STREET USE! Not currently applicable or intended for street or highway use. Call for up-to-date status.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (204) With E.G.R.
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesNOT LEGAL FOR STREET USE! Not currently applicable or intended for street or highway use. Call for up-to-date status.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (204) With E.G.R.
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesNOT LEGAL FOR STREET USE! Not currently applicable or intended for street or highway use. Call for up-to-date status.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (204) With E.G.R.
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesNOT LEGAL FOR STREET USE! Not currently applicable or intended for street or highway use. Call for up-to-date status.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (204) With E.G.R.
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesNOT LEGAL FOR STREET USE! Not currently applicable or intended for street or highway use. Call for up-to-date status.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (204) With E.G.R.
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesNOT LEGAL FOR STREET USE! Not currently applicable or intended for street or highway use. Call for up-to-date status.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (204) With E.G.R.
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesNOT LEGAL FOR STREET USE! Not currently applicable or intended for street or highway use. Call for up-to-date status.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (204) With E.G.R.
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesNOT LEGAL FOR STREET USE! Not currently applicable or intended for street or highway use. Call for up-to-date status.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (204) With E.G.R.
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesNOT LEGAL FOR STREET USE! Not currently applicable or intended for street or highway use. Call for up-to-date status.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (204) With E.G.R.
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesNOT LEGAL FOR STREET USE! Not currently applicable or intended for street or highway use. Call for up-to-date status.
      Engine FamilySB Chevy 283-400 (Gen 1)
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