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Photo of Hedman headers for 1984-86 Chevrolet Corvette 283-400 61448- 84-86 Corvette 283-400 Photo of Hedman Hedders for 1984-86 Corvette 283-400 Photo of header reducers, gaskets and hardware included with Hedman Hedders This Product is MADE IN THE USA! Photo of Hedman's Matte-Silver ELITE header finish.
Photo of Hedman's Matte-Silver ELITE header finish.

HD Silver Long-Tube EO Headers For 84-86 Corvette 283-400 w/A.I.R

ELITE Hedders; 1-5/8 in. Tube Dia.; 3 in. Coll.; FULL LENGTH Design

Part#61448
$863.42
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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 headers, gaskets (when applicable), 3-bolt exhaust adapters, hardware
  • E.O. # Yes
  • Emissions Notes EO# D167-33 (click here for covered vehicles in document on ARB.CA.GOV website)
  • Finish Matte Silver Ceramic-Metallic
  • Finish Type MATTE SILVER Ceramic-metallic coated
  • Flange Style Standard
  • Flange Thickness 0.375 in.
  • Header Style Long Tube
  • Notes 84-86 Corvette 283-400
  • Key Feature 50 State (Non-EGR)
  • Power Steering Yes
  • Material Mild Steel
  • Tube Design Standard
  • Tube Length Long Tubes
  • Tube Material Thickness 14g
  • Tube Size 1-5/8 in.
  • Variations 66441, 61448
  • with A.I.R. System Yes
  • 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 14g
  • 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 Matte Silver Ceramic-Metallic
  • Cylinder Head Port Shape Oval
  • Cylinder Head Fits Factory GM Aluminum Angle Plug and Straight Plug Heads.
  • Header Construction MILD STEEL- ELITE Heavy-Duty
  • Replacement Gasket 27520
  • Replacement Head Flange Gasket 27520
  • 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.
      (203) Non-E.G.R. equipped
      (4) Includes parts necessary to retain emission devices. (50 State)
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      E.O. NumberD167-33
      Emissions Notes50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
      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.
      (203) Non-E.G.R. equipped
      (4) Includes parts necessary to retain emission devices. (50 State)
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      E.O. NumberD167-33
      Emissions Notes50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
      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.
      (203) Non-E.G.R. equipped
      (4) Includes parts necessary to retain emission devices. (50 State)
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      E.O. NumberD167-33
      Emissions Notes50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
      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.
      (203) Non-E.G.R. equipped
      (4) Includes parts necessary to retain emission devices. (50 State)
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      E.O. NumberD167-33
      Emissions Notes50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
      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.
      (203) Non-E.G.R. equipped
      (4) Includes parts necessary to retain emission devices. (50 State)
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      E.O. NumberD167-33
      Emissions Notes50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
      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.
      (203) Non-E.G.R. equipped
      (4) Includes parts necessary to retain emission devices. (50 State)
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      E.O. NumberD167-33
      Emissions Notes50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
      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.
      (203) Non-E.G.R. equipped
      (4) Includes parts necessary to retain emission devices. (50 State)
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      E.O. NumberD167-33
      Emissions Notes50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
      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.
      (203) Non-E.G.R. equipped
      (4) Includes parts necessary to retain emission devices. (50 State)
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      E.O. NumberD167-33
      Emissions Notes50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
      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.
      (203) Non-E.G.R. equipped
      (4) Includes parts necessary to retain emission devices. (50 State)
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      E.O. NumberD167-33
      Emissions Notes50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
      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.
      (203) Non-E.G.R. equipped
      (4) Includes parts necessary to retain emission devices. (50 State)
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      E.O. NumberD167-33
      Emissions Notes50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
      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.
      (203) Non-E.G.R. equipped
      (4) Includes parts necessary to retain emission devices. (50 State)
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      E.O. NumberD167-33
      Emissions Notes50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
      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.
      (203) Non-E.G.R. equipped
      (4) Includes parts necessary to retain emission devices. (50 State)
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      E.O. NumberD167-33
      Emissions Notes50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
      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.
      (203) Non-E.G.R. equipped
      (4) Includes parts necessary to retain emission devices. (50 State)
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      E.O. NumberD167-33
      Emissions Notes50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
      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.
      (203) Non-E.G.R. equipped
      (4) Includes parts necessary to retain emission devices. (50 State)
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      E.O. NumberD167-33
      Emissions Notes50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
      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.
      (203) Non-E.G.R. equipped
      (4) Includes parts necessary to retain emission devices. (50 State)
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      E.O. NumberD167-33
      Emissions Notes50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
      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.
      (203) Non-E.G.R. equipped
      (4) Includes parts necessary to retain emission devices. (50 State)
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      E.O. NumberD167-33
      Emissions Notes50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
      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.
      (203) Non-E.G.R. equipped
      (4) Includes parts necessary to retain emission devices. (50 State)
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      E.O. NumberD167-33
      Emissions Notes50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
      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.
      (203) Non-E.G.R. equipped
      (4) Includes parts necessary to retain emission devices. (50 State)
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      E.O. NumberD167-33
      Emissions Notes50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
      Engine FamilySB Chevy 283-400 (Gen 1)
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