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
Photo of dimensions for Hedman Chevrolet Block Hugger Headers

Silver 1-5/8 in. Block Hugger Headers For 283-400 SB Chevy Engine

SB CHEVY STREET ROD BLOCK HUGGERS 1-5/8 in.- HTC COATED


Product Specifications

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

  • Tube Diameter 1-5/8 in.
  • Tube Style Block Huggers
  • Automatic Transmission - Column Yes
  • Automatic Transmission - Floor Yes
  • Manual Transmission - Column Yes
  • Manual Transmission - Floor Yes
  • Collector Attachment 3 in.
  • Collector Diameter 3 in.
  • Collector Size 3 in.
  • Collector Style 3-Bolt Gasket Style Flange
  • Reducer Outlet Size 2-1/2 in.
  • Exhaust System Dia 2-1/2 in.
  • Contents Headers, gasket style reducers (exhaust adapters), gaskets, mounting 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
  • COATED HEADERS DURING ENGINE BREAK-IN PERIOD
    CLICK FOR IMPORTANT INFO REGARDING HEADER COATINGS DURING ENGINE BREAK-IN!
  • Flange Style Standard
  • Flange Thickness 0.375 in.
  • Header Port Shape Round Port
  • Header Style Block Huggers- Street Rod
  • Port Shape Round
  • Material Mild Steel
  • Transmission Notes Modification to shifter linkage may be required.
  • Tube Design Standard
  • Tube Length Short Tubes
  • Tube Material Thickness 16g
  • Tube Size 1-5/8 in.
  • Variations 68563
  • 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) 1.625 in.
  • Package Contents Headers, gasket style 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 27470
  • 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
      Engine FamilySB Chevy 283-400 (Gen 1)
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Vehicle Specific Information
      Engine FamilySB Chevy 283-400 (Gen 1)
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Vehicle Specific Information
      Engine FamilySB Chevy 283-400 (Gen 1)
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Vehicle Specific Information
      Engine FamilySB Chevy 283-400 (Gen 1)
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Vehicle Specific Information
      Engine FamilySB Chevy 283-400 (Gen 1)
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Vehicle Specific Information
      Engine FamilySB Chevy 283-400 (Gen 1)
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Vehicle Specific Information
      Engine FamilySB Chevy 283-400 (Gen 1)
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Vehicle Specific Information
      Engine FamilySB Chevy 283-400 (Gen 1)
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Vehicle Specific Information
      Engine FamilySB Chevy 283-400 (Gen 1)
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Vehicle Specific Information
      Engine FamilySB Chevy 283-400 (Gen 1)
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Vehicle Specific Information
      Engine FamilySB Chevy 283-400 (Gen 1)
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Vehicle Specific Information
      Engine FamilySB Chevy 283-400 (Gen 1)
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Vehicle Specific Information
      Engine FamilySB Chevy 283-400 (Gen 1)
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Vehicle Specific Information
      Engine FamilySB Chevy 283-400 (Gen 1)
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Vehicle Specific Information
      Engine FamilySB Chevy 283-400 (Gen 1)
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Vehicle Specific Information
      Engine FamilySB Chevy 283-400 (Gen 1)
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Vehicle Specific Information
      Engine FamilySB Chevy 283-400 (Gen 1)
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Vehicle Specific Information
      Engine FamilySB Chevy 283-400 (Gen 1)
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Vehicle Specific Information
      Engine FamilySB Chevy 283-400 (Gen 1)
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Vehicle Specific Information
      Engine FamilySB Chevy 283-400 (Gen 1)
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Vehicle Specific Information
      Engine FamilySB Chevy 283-400 (Gen 1)
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Vehicle Specific Information
      Engine FamilySB Chevy 283-400 (Gen 1)
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Vehicle Specific Information
      Engine FamilySB Chevy 283-400 (Gen 1)
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Vehicle Specific Information
      Engine FamilySB Chevy 283-400 (Gen 1)
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Vehicle Specific Information
      Engine FamilySB Chevy 283-400 (Gen 1)
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Vehicle Specific Information
      Engine FamilySB Chevy 283-400 (Gen 1)
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Vehicle Specific Information
      Engine FamilySB Chevy 283-400 (Gen 1)
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
×