Photo of Hedman headers for 1970-72 Cutlass Supreme, Hurst 260-403. 58196- headers for 70-72 Cutlass Supreme, Hurst 260-403 Photo of header reducers, gaskets and hardware included with Hedman Hedders This Product is MADE IN THE USA! 58196-70-72 Cutlass Supreme, Hurst 260-403 Photo of Hedman's HTC Polished SIlver Ceramic Finish
58196-70-72 Cutlass Supreme, Hurst 260-403

HTC Coated Headers; 1-3/4 in. Tube Dia; FULL LENGTH Design

HTC Coated Headers; 1-3/4 in. Tube Dia.; 3 in. Coll.; FULL LENGTH Design

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
  • Collector Style BALL and SOCKET Style (Gasketless)
  • Air Conditioning Yes
  • Automatic Transmission - Column Yes
  • Automatic Transmission - Floor Yes
  • Manual Transmission - Column No
  • Manual Transmission - Floor Yes
  • Collector Attachment 3 in.
  • Collector Diameter 3 in.
  • Collector Size 3 in.
  • 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 Legal For Street Use on '75-Later Model Years! Legal for off-road use only.
  • Finish HTC Polished Silver Ceramic-Metallic
  • Finish Type HTC SILVER (polished) Ceramic-metallic Coating
  • Flange Style Standard
  • Flange Thickness 0.3125 in.
  • Header Style Long Tube
  • Notes 70-72 Cutlass Supreme, Hurst 260-403
  • Power Steering Yes
  • Product Details Fits 1970-72 Olds Cutlass Supreme HURST and NOTCHBACK Models with a 260-403 OLDSMOBILE Engine ONLY! Hardtop (non-convertible) ONLY!
  • Material Mild Steel
  • Tube Design Standard
  • Tube Length Long Tubes
  • Tube Material Thickness 16g
  • Tube Size 1-3/4 in.
  • 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 HTC Polished Silver Ceramic-Metallic
  • Cylinder Head Port Shape Rectangle
  • Cylinder Head Stock Profile Heads
  • Header Construction MILD STEEL- Standard-Duty
  • Replacement Gasket 27800
  • Replacement Head Flange Gasket 27800
  • 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 - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (CS) Cutlass Supreme Only.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine TypeOldsmobile Engines Only.
      NotesFor Hardtop (non-convertible) only
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (CS) Cutlass Supreme Only.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine TypeOldsmobile Engines Only.
      NotesFor Hardtop (non-convertible) only
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (CS) Cutlass Supreme Only.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine TypeOldsmobile Engines Only.
      NotesFor Hardtop (non-convertible) only
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (CS) Cutlass Supreme Only.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine TypeOldsmobile Engines Only.
      NotesFor Hardtop (non-convertible) only
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (CS) Cutlass Supreme Only.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine TypeOldsmobile Engines Only.
      NotesFor Hardtop (non-convertible) only
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (CS) Cutlass Supreme Only.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine TypeOldsmobile Engines Only.
      NotesFor Hardtop (non-convertible) only
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (CS) Cutlass Supreme Only.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine TypeOldsmobile Engines Only.
      NotesFor Hardtop (non-convertible) only
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (CS) Cutlass Supreme Only.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine TypeOldsmobile Engines Only.
      NotesFor Hardtop (non-convertible) only
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (CS) Cutlass Supreme Only.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine TypeOldsmobile Engines Only.
      NotesFor Hardtop (non-convertible) only
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (CS) Cutlass Supreme Only.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine TypeOldsmobile Engines Only.
      NotesFor Hardtop (non-convertible) only
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (CS) Cutlass Supreme Only.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine TypeOldsmobile Engines Only.
      NotesFor Hardtop (non-convertible) only
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (CS) Cutlass Supreme Only.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine TypeOldsmobile Engines Only.
      NotesFor Hardtop (non-convertible) only
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