Hedman Performance Group

Photo of header reducers, gaskets and hardware included with Hedman Hedders

Photo of Hedman's Black-Maxx Satin Black Ceramic-metallic header finish.

Black Hedman Block Hugger Street Rod Headers For GM LS Engines

CHEVY LS1 V8 STREET ROD HEDDERS- BLACK MAXX

Part#68523

$605.89

Product Specifications

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

Tube Diameter 1-1/2 in.
Tube Style Block Huggers
Automatic Transmission - Column Yes
Automatic Transmission - Floor Yes
Manual Transmission - Column Yes
Manual Transmission - Floor Yes
Collector Attachment 2-1/2 in.
Collector Diameter 2-1/2 in.
Collector Size 2-1/2 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 LS Series
Finish BLACK MAXX Satin Black Ceramic-Metallic
Finish Type BLACK MAXX- Black Ceramic-Metallic Coating
Flange Style Standard
Flange Thickness 0.375 in.
Header Port Shape Round
Header Style Block Huggers- Street Rod
Notes Street Rod Universal Shorty Chev. 4.8-6.0 LS
Port Shape Round
Additional Details Also Fits Vortec Engines
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 1-1/2 in.
Variations 68520
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) 1.50 in.
Package Contents Headers, reducers (exhaust adapters), gaskets, mounting hardware
Header Material Mild Steel
Header Finish BLACK MAXX Satin Black 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 27470
California Proposition 65 WARNING: Cancer & Reproductive Harm. For more info visit www.P65Warnings.ca.gov

Vehicle Applications

STREET ROD

Year

C.I.D.

Liter

Block Type

Cylinders

Fuel Type

Drive Type

1923

4.8

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1923

5.3

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1923

6.0

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1924

4.8

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1924

5.3

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1924

6.0

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1925

4.8

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1925

5.3

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1925

6.0

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1926

4.8

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1926

5.3

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1926

6.0

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1927

6.0

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1927

5.3

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1927

4.8

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1928

4.8

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1928

6.0

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1928

5.3

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1929

6.0

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1929

5.3

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1929

4.8

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1930

4.8

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1930

6.0

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1930

5.3

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1931

6.0

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1931

5.3

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1931

4.8

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1932

6.0

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1932

5.3

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1932

4.8

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1933

4.8

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1933

6.0

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1933

5.3

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1934

6.0

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1934

5.3

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1934

4.8

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1935

4.8

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1935

6.0

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1935

5.3

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1936

6.0

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1936

5.3

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1936

4.8

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1937

6.0

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1937

5.3

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1937

4.8

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1938

5.3

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1938

4.8

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1938

6.0

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1939

6.0

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1939

5.3

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1939

4.8

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1940

5.3

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1940

4.8

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1940

6.0

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1941

6.0

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1941

5.3

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1941

4.8

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1942

4.8

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1942

6.0

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1942

5.3

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1943

6.0

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1943

5.3

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1943

4.8

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1944

6.0

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1944

5.3

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1944

4.8

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1945

6.0

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1945

5.3

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1945

4.8

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1946

6.0

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1946

5.3

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1946

4.8

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1947

5.3

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1947

4.8

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1947

6.0

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1948

6.0

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1948

5.3

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1948

4.8

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1949

5.3

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1949

4.8

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1949

6.0

Vehicle Specific Information
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.