Photo of header reducers, gaskets and hardware included with Hedman Hedders This Product is MADE IN THE USA! Photo of dimensions for Hedman Chevrolet Block Hugger Headers

Hedman Block Hugger Street Rod Headers For Chevy 409

BLOCK HUGGER Headers; Chevy 409; 1-3/4 in. Tubes; Uncoated


Product Specifications

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

  • Tube Diameter 1-3/4 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 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.
  • Engine Chevy BB 409
  • Finish Uncoated
  • Finish Type UNCOATED Mild Steel! Shipped with Temporary Paint.
  • Flange Style Standard
  • Flange Thickness 0.375 in.
  • Header Port Shape Round
  • Header Style Block Huggers- Street Rod
  • Notes Street Rod Universal Shorty Chev. 409
  • 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 1-3/4 in.
  • Variations 68536
  • 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, reducers (exhaust adapters), gaskets, mounting hardware
  • Header Material Mild Steel
  • Header Finish Uncoated
  • Cylinder Head Port Shape Round
  • Cylinder Head Stock Profile Heads
  • Header Construction MILD STEEL- Standard-Duty
  • Replacement Gasket 27312
  • Replacement Head Flange Gasket 27312
  • 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
      1923 427
      1923 348
      1923 409
      1924 427
      1924 348
      1924 409
      1925 409
      1925 427
      1925 348
      1926 348
      1926 409
      1926 427
      1927 427
      1927 348
      1927 409
      1928 409
      1928 427
      1928 348
      1929 348
      1929 409
      1929 427
      1930 427
      1930 348
      1930 409
      1931 409
      1931 427
      1931 348
      1932 409
      1932 427
      1932 348
      1933 427
      1933 348
      1933 409
      1934 409
      1934 427
      1934 348
      1935 409
      1935 427
      1935 348
      1936 427
      1936 348
      1936 409
      1937 427
      1937 348
      1937 409
      1938 409
      1938 427
      1938 348
      1939 427
      1939 348
      1939 409
      1940 427
      1940 348
      1940 409
      1941 409
      1941 427
      1941 348
      1942 348
      1942 409
      1942 427
      1943 427
      1943 348
      1943 409
      1944 427
      1944 348
      1944 409
      1945 409
      1945 427
      1945 348
      1946 348
      1946 409
      1946 427
      1947 427
      1947 348
      1947 409
      1948 409
      1948 427
      1948 348
      1949 348
      1949 409
      1949 427
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