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This Product is MADE IN THE USA!

STREET/STRIP Headers; 70-81 FIREBIRD 400-455; 1-3/4 in.x1-7/8 in. Stepped

STREET and STRIP Race Headers; 70-81 FIREBIRD 400-455; 1-3/4 in. -1-7/8 in. Stepped Tubes; 3-1/2 in. Collector

Part#35146
$761.07

Product Specifications

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

  • Tube Diameter 1-3/4 in. x 1-7/8 in.
  • Tube Style Long Tubes
  • Air Conditioning No
  • Automatic Transmission - Column No
  • Automatic Transmission - Floor Yes
  • Manual Transmission - Column No
  • Manual Transmission - Floor No
  • Collector Attachment 3-1/2 in.
  • Collector Diameter 3-1/2 in.
  • Collector Size 3-1/2 in.
  • Reducer Outlet Size 2-1/2 in.
  • Contents Pair of Headers, Gaskets & Mounting Hardware
  • E.O. # No
  • Emissions Notes RACING HEDDER! Not legal for use on pollution controlled vehicles.
  • Engine Pontiac 400-455
  • Exhaust Exit Under Chassis Exit
  • Finish Uncoated
  • Finish Type Uncoated Mild steel
  • Flange Style Standard
  • Flange Thickness 0.375 in.
  • Header Port Shape Standard Port
  • Header Style Long Tube- Stepped
  • Notes 70-81 Firebird 400-455
  • Key Feature Standard Port
  • Power Steering No
  • Product Info 70-81 PONTIAC FIREBIRD- 13/4 in., 17/8 in., 31/2 in. - HUSLER STEPPED TUBE RACE HEDDERS
  • Material Mild Steel
  • Tube Design Standard
  • Tube Length Long Tubes
  • Tube Material Thickness 18g
  • Tube Size 1-3/4 in. x 1-7/8 in.
  • Installation Notes Flange may need to be cut between ports to install hedders. Do not cut between twin ports.
  • with A.I.R. System No
  • with EGR No
  • Weld-Up No
  • Tuned Yes
  • Bolts/Studs Included Yes
  • Catalytic Converter(s) Included No
  • Crossover Pipe Included No
  • Gasket Or Seal Included Yes
  • Motor Mounts Included No
  • Reducers Included Yes
  • Y-Pipe Included No
  • Quantity Sold as a set.
  • Primary Tube Gauge 18g
  • Primary Tube Diameter (in) 1.75 in. x 1.875 in.
  • Package Contents Set of Headers, mounting hardware and gaskets
  • Header Material Mild Steel
  • Header Finish Raw
  • Cylinder Head Port Shape D-port
  • Cylinder Head Factory
  • Vehicle Family Pontiac Firebird; 1970-81
  • Header Construction MILD STEEL- Standard-Duty
  • Replacement Gasket 18073
  • Replacement Head Flange Gasket 18073
  • California Proposition 65 WARNING: Cancer. 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 ConditioningNo
      Power SteeringNo
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringNo
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringNo
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringNo
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringNo
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringNo
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringNo
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringNo
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringNo
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringNo
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringNo
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringNo
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringNo
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringNo
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringNo
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringNo
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringNo
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringNo
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringNo
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringNo
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringNo
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringNo
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringNo
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringNo
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
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