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Photo of header reducers, gaskets and hardware included with Hedman Hedders This Product is MADE IN THE USA! Photo of Hedman's HTC Polished SIlver Ceramic Finish

1-3/4 in. Silver Long-Tube Headers For 55-57 Chevy Tri-5 396-502

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

Part#68256
$782.82
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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
  • 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 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 Port Shape Round
  • Header Style Long Tube
  • IMPORTANT! Front Engine Mounts ONLY!
  • Notes 55-57 Chev. Pass. Car 396-502
  • Port Shape Round
  • Power Steering Yes
  • Material Mild Steel
  • Tube Design Standard
  • Tube Length Long Tubes
  • Tube Material Thickness 16g
  • Tube Size 1-3/4 in.
  • Variations 68250
  • with A.I.R. System No
  • 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) 1.75 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 Round
  • Cylinder Head Stock Profile Heads
  • Header Construction MILD STEEL- Standard-Duty
  • Replacement Gasket 27530
  • Replacement Head Flange Gasket 27530
  • 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(3) Front motor mounts only.
      Emissions Notes1955-57 VEHICLES- These vehicles have no factory emissions systems. These headers are 50 state legal for use on this vehicle as long as any existing emissions controls are not removed from vehicle.
      Engine FamilyBB Chevy 396-502 (MARK IV / GEN V)
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(3) Front motor mounts only.
      Emissions Notes1955-57 VEHICLES- These vehicles have no factory emissions systems. These headers are 50 state legal for use on this vehicle as long as any existing emissions controls are not removed from vehicle.
      Engine FamilyBB Chevy 396-502 (MARK IV / GEN V)
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(3) Front motor mounts only.
      Emissions Notes1955-57 VEHICLES- These vehicles have no factory emissions systems. These headers are 50 state legal for use on this vehicle as long as any existing emissions controls are not removed from vehicle.
      Engine FamilyBB Chevy 396-502 (MARK IV / GEN V)
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(3) Front motor mounts only.
      Emissions Notes1955-57 VEHICLES- These vehicles have no factory emissions systems. These headers are 50 state legal for use on this vehicle as long as any existing emissions controls are not removed from vehicle.
      Engine FamilyBB Chevy 396-502 (MARK IV / GEN V)
      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(3) Front motor mounts only.
      Emissions Notes1955-57 VEHICLES- These vehicles have no factory emissions systems. These headers are 50 state legal for use on this vehicle as long as any existing emissions controls are not removed from vehicle.
      Engine FamilyBB Chevy 396-502 (MARK IV / GEN V)
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(3) Front motor mounts only.
      Emissions Notes1955-57 VEHICLES- These vehicles have no factory emissions systems. These headers are 50 state legal for use on this vehicle as long as any existing emissions controls are not removed from vehicle.
      Engine FamilyBB Chevy 396-502 (MARK IV / GEN V)
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(3) Front motor mounts only.
      Emissions Notes1955-57 VEHICLES- These vehicles have no factory emissions systems. These headers are 50 state legal for use on this vehicle as long as any existing emissions controls are not removed from vehicle.
      Engine FamilyBB Chevy 396-502 (MARK IV / GEN V)
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(3) Front motor mounts only.
      Emissions Notes1955-57 VEHICLES- These vehicles have no factory emissions systems. These headers are 50 state legal for use on this vehicle as long as any existing emissions controls are not removed from vehicle.
      Engine FamilyBB Chevy 396-502 (MARK IV / GEN V)
      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(3) Front motor mounts only.
      Emissions Notes1955-57 VEHICLES- These vehicles have no factory emissions systems. These headers are 50 state legal for use on this vehicle as long as any existing emissions controls are not removed from vehicle.
      Engine FamilyBB Chevy 396-502 (MARK IV / GEN V)
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(3) Front motor mounts only.
      Emissions Notes1955-57 VEHICLES- These vehicles have no factory emissions systems. These headers are 50 state legal for use on this vehicle as long as any existing emissions controls are not removed from vehicle.
      Engine FamilyBB Chevy 396-502 (MARK IV / GEN V)
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(3) Front motor mounts only.
      Emissions Notes1955-57 VEHICLES- These vehicles have no factory emissions systems. These headers are 50 state legal for use on this vehicle as long as any existing emissions controls are not removed from vehicle.
      Engine FamilyBB Chevy 396-502 (MARK IV / GEN V)
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(3) Front motor mounts only.
      Emissions Notes1955-57 VEHICLES- These vehicles have no factory emissions systems. These headers are 50 state legal for use on this vehicle as long as any existing emissions controls are not removed from vehicle.
      Engine FamilyBB Chevy 396-502 (MARK IV / GEN V)
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(3) Front motor mounts only.
      Emissions Notes1955-57 VEHICLES- These vehicles have no factory emissions systems. These headers are 50 state legal for use on this vehicle as long as any existing emissions controls are not removed from vehicle.
      Engine FamilyBB Chevy 396-502 (MARK IV / GEN V)
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(3) Front motor mounts only.
      Emissions Notes1955-57 VEHICLES- These vehicles have no factory emissions systems. These headers are 50 state legal for use on this vehicle as long as any existing emissions controls are not removed from vehicle.
      Engine FamilyBB Chevy 396-502 (MARK IV / GEN V)
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(3) Front motor mounts only.
      Emissions Notes1955-57 VEHICLES- These vehicles have no factory emissions systems. These headers are 50 state legal for use on this vehicle as long as any existing emissions controls are not removed from vehicle.
      Engine FamilyBB Chevy 396-502 (MARK IV / GEN V)
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(3) Front motor mounts only.
      Emissions Notes1955-57 VEHICLES- These vehicles have no factory emissions systems. These headers are 50 state legal for use on this vehicle as long as any existing emissions controls are not removed from vehicle.
      Engine FamilyBB Chevy 396-502 (MARK IV / GEN V)
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(3) Front motor mounts only.
      Emissions Notes1955-57 VEHICLES- These vehicles have no factory emissions systems. These headers are 50 state legal for use on this vehicle as long as any existing emissions controls are not removed from vehicle.
      Engine FamilyBB Chevy 396-502 (MARK IV / GEN V)
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(3) Front motor mounts only.
      Emissions Notes1955-57 VEHICLES- These vehicles have no factory emissions systems. These headers are 50 state legal for use on this vehicle as long as any existing emissions controls are not removed from vehicle.
      Engine FamilyBB Chevy 396-502 (MARK IV / GEN V)
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(3) Front motor mounts only.
      Emissions Notes1955-57 VEHICLES- These vehicles have no factory emissions systems. These headers are 50 state legal for use on this vehicle as long as any existing emissions controls are not removed from vehicle.
      Engine FamilyBB Chevy 396-502 (MARK IV / GEN V)
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(3) Front motor mounts only.
      Emissions Notes1955-57 VEHICLES- These vehicles have no factory emissions systems. These headers are 50 state legal for use on this vehicle as long as any existing emissions controls are not removed from vehicle.
      Engine FamilyBB Chevy 396-502 (MARK IV / GEN V)
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