HTC Coated Hedders; 1-3/4" Tube Dia; 3" Coll; FULL LENGTH Design

HTC Coated Hedders; 1-3/4" Tube Dia.; 3" Coll.; FULL LENGTH Design

Product Specifications

  • Tube Diameter 1-3/4"
  • 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"
  • Collector Size 3"
  • Contents One pair of headers, head flange gaskets, collector flange gaskets (when applicable), 3-bolt exhaust adapters, mounting hardware
  • E.O. # No
  • Emissions Notes NOT LEGAL FOR STREET USE ON '76-LATER MODEL YEARS! Legal for off-road use only.
  • Exhaust System Dia 2-1/2"
  • Finish HTC Polished Silver Ceramic-Metallic
  • Flange Style Standard
  • FLANGE Thickness 0.3125"
  • Head Flange Gasket 27800
  • 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 LONG TUBES
  • Tube Length Long Tubes
  • Tube Material Thickness 16g
  • Tube Size 1-3/4"
  • with A.I.R. System No
  • with EGR No
  • Weld-Up No
  • Reducer Outlet Size 2-1/2"
  • Tuned No
  • Reducers Included Yes
  • Gasket Or Seal Included Yes
  • Bolts/Studs Included Yes
  • Installation Hardware Included Yes
  • Transmission Mount Included No
  • Motor Mounts Included No
  • Mounting Hardware Included Yes
  • Crossover Pipe Included No
  • Y-Pipe Included No
  • Catalytic Converter(s) Included No
  • Quantity Sold as a pair.
  • Primary Tube Gauge 16G
  • Primary Tube Diameter (in) 1.75"
  • Package Contents One pair of headers, head flange gaskets, collector flange gaskets (when applicable), 3-bolt exhaust adapters, mounting hardware
  • Header Material Mild Steel
  • Header Finish HTC Polished Silver Ceramic-Metallic
  • Gasket # 27800
  • Cylinder Head Port Shape Rectangle
  • Cylinder Head Stock Profile Heads
  • Header Construction Standard-Duty

Vehicle Applications

      YearSubmodelC.I.D.LiterCylinders
      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 Notes1973 and earlier vehicles WITHOUT A.I.R.: These headers are legal for use on '73 & earlier vehicles without A.I.R..Considered OEM replacement part, and do not require EO#, when existing emission controls are not removed from vehicle. 1974 & later vehicles are NOT currently covered by any existing EO #, and are not applicable or intended for public street or highway use. Furthermore, they are not legal for sale or use in California.
      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 Notes1973 and earlier vehicles WITHOUT A.I.R.: These headers are legal for use on '73 & earlier vehicles without A.I.R..Considered OEM replacement part, and do not require EO#, when existing emission controls are not removed from vehicle. 1974 & later vehicles are NOT currently covered by any existing EO #, and are not applicable or intended for public street or highway use. Furthermore, they are not legal for sale or use in California.
      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 Notes1973 and earlier vehicles WITHOUT A.I.R.: These headers are legal for use on '73 & earlier vehicles without A.I.R..Considered OEM replacement part, and do not require EO#, when existing emission controls are not removed from vehicle. 1974 & later vehicles are NOT currently covered by any existing EO #, and are not applicable or intended for public street or highway use. Furthermore, they are not legal for sale or use in California.
      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 Notes1973 and earlier vehicles WITHOUT A.I.R.: These headers are legal for use on '73 & earlier vehicles without A.I.R..Considered OEM replacement part, and do not require EO#, when existing emission controls are not removed from vehicle. 1974 & later vehicles are NOT currently covered by any existing EO #, and are not applicable or intended for public street or highway use. Furthermore, they are not legal for sale or use in California.
      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 Notes1973 and earlier vehicles WITHOUT A.I.R.: These headers are legal for use on '73 & earlier vehicles without A.I.R..Considered OEM replacement part, and do not require EO#, when existing emission controls are not removed from vehicle. 1974 & later vehicles are NOT currently covered by any existing EO #, and are not applicable or intended for public street or highway use. Furthermore, they are not legal for sale or use in California.
      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 Notes1973 and earlier vehicles WITHOUT A.I.R.: These headers are legal for use on '73 & earlier vehicles without A.I.R..Considered OEM replacement part, and do not require EO#, when existing emission controls are not removed from vehicle. 1974 & later vehicles are NOT currently covered by any existing EO #, and are not applicable or intended for public street or highway use. Furthermore, they are not legal for sale or use in California.
      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 Notes1973 and earlier vehicles WITHOUT A.I.R.: These headers are legal for use on '73 & earlier vehicles without A.I.R..Considered OEM replacement part, and do not require EO#, when existing emission controls are not removed from vehicle. 1974 & later vehicles are NOT currently covered by any existing EO #, and are not applicable or intended for public street or highway use. Furthermore, they are not legal for sale or use in California.
      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 Notes1973 and earlier vehicles WITHOUT A.I.R.: These headers are legal for use on '73 & earlier vehicles without A.I.R..Considered OEM replacement part, and do not require EO#, when existing emission controls are not removed from vehicle. 1974 & later vehicles are NOT currently covered by any existing EO #, and are not applicable or intended for public street or highway use. Furthermore, they are not legal for sale or use in California.
      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 Notes1973 and earlier vehicles WITHOUT A.I.R.: These headers are legal for use on '73 & earlier vehicles without A.I.R..Considered OEM replacement part, and do not require EO#, when existing emission controls are not removed from vehicle. 1974 & later vehicles are NOT currently covered by any existing EO #, and are not applicable or intended for public street or highway use. Furthermore, they are not legal for sale or use in California.
      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 Notes1973 and earlier vehicles WITHOUT A.I.R.: These headers are legal for use on '73 & earlier vehicles without A.I.R..Considered OEM replacement part, and do not require EO#, when existing emission controls are not removed from vehicle. 1974 & later vehicles are NOT currently covered by any existing EO #, and are not applicable or intended for public street or highway use. Furthermore, they are not legal for sale or use in California.
      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 Notes1973 and earlier vehicles WITHOUT A.I.R.: These headers are legal for use on '73 & earlier vehicles without A.I.R..Considered OEM replacement part, and do not require EO#, when existing emission controls are not removed from vehicle. 1974 & later vehicles are NOT currently covered by any existing EO #, and are not applicable or intended for public street or highway use. Furthermore, they are not legal for sale or use in California.
      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 Notes1973 and earlier vehicles WITHOUT A.I.R.: These headers are legal for use on '73 & earlier vehicles without A.I.R..Considered OEM replacement part, and do not require EO#, when existing emission controls are not removed from vehicle. 1974 & later vehicles are NOT currently covered by any existing EO #, and are not applicable or intended for public street or highway use. Furthermore, they are not legal for sale or use in California.
      Engine TypeOldsmobile Engines Only.
      NotesFor Hardtop (non-convertible) only
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