Hedman Performance Group

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

Photo of Hedman's HTC Polished SIlver Ceramic Finish

Photo of dimensions for Hedman Chevrolet Block Hugger Headers

Silver 1-3/4 in. Block Hugger Headers For 396-502 BB Chevy Engine

Street Rod Block Huggers Headers; Chevy BB 396-502 (Mark IV / GEN 5); 1-3/4 in. Tubes, 3 in. Gasket Collector- HTC Polished SIlver Coated Mild Steel

Part#68376

$624.87

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 396-502
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 0.3125 in.
Header Port Shape Round Port
Header Style Block Huggers- Street Rod
Notes Street Rod Universal Shorty 396-502
Port Shape Round
Product Info This traditional block hugger style set of headers are ideal for most street rod projects and for use on vehicles with narrow frame rails. they are a center dump design.
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 68370, 68873
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 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

STREET ROD

Street Rod

Year

C.I.D.

Liter

Block Type

Cylinders

Fuel Type

Drive Type

1923

502

Vehicle Specific Information
Engine Family	BB Chevy 396-502 (MARK IV / GEN V)
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1923

396

Vehicle Specific Information
Engine Family	BB Chevy 396-502 (MARK IV / GEN V)
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1924

502

Vehicle Specific Information
Engine Family	BB Chevy 396-502 (MARK IV / GEN V)
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1924

396

Vehicle Specific Information
Engine Family	BB Chevy 396-502 (MARK IV / GEN V)
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1925

396

Vehicle Specific Information
Engine Family	BB Chevy 396-502 (MARK IV / GEN V)
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1925

502

Vehicle Specific Information
Engine Family	BB Chevy 396-502 (MARK IV / GEN V)
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1926

502

Vehicle Specific Information
Engine Family	BB Chevy 396-502 (MARK IV / GEN V)
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1926

396

Vehicle Specific Information
Engine Family	BB Chevy 396-502 (MARK IV / GEN V)
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1927

502

Vehicle Specific Information
Engine Family	BB Chevy 396-502 (MARK IV / GEN V)
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1927

396

Vehicle Specific Information
Engine Family	BB Chevy 396-502 (MARK IV / GEN V)
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1928

502

Vehicle Specific Information
Engine Family	BB Chevy 396-502 (MARK IV / GEN V)
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1928

396

Vehicle Specific Information
Engine Family	BB Chevy 396-502 (MARK IV / GEN V)
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1929

502

Vehicle Specific Information
Engine Family	BB Chevy 396-502 (MARK IV / GEN V)
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1929

396

Vehicle Specific Information
Engine Family	BB Chevy 396-502 (MARK IV / GEN V)
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1930

396

Vehicle Specific Information
Engine Family	BB Chevy 396-502 (MARK IV / GEN V)
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1930

502

Vehicle Specific Information
Engine Family	BB Chevy 396-502 (MARK IV / GEN V)
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1931

502

Vehicle Specific Information
Engine Family	BB Chevy 396-502 (MARK IV / GEN V)
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1931

396

Vehicle Specific Information
Engine Family	BB Chevy 396-502 (MARK IV / GEN V)
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1932

502

Vehicle Specific Information
Engine Family	BB Chevy 396-502 (MARK IV / GEN V)
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1932

396

Vehicle Specific Information
Engine Family	BB Chevy 396-502 (MARK IV / GEN V)
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1933

396

Vehicle Specific Information
Engine Family	BB Chevy 396-502 (MARK IV / GEN V)
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1933

502

Vehicle Specific Information
Engine Family	BB Chevy 396-502 (MARK IV / GEN V)
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1934

502

Vehicle Specific Information
Engine Family	BB Chevy 396-502 (MARK IV / GEN V)
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1934

396

Vehicle Specific Information
Engine Family	BB Chevy 396-502 (MARK IV / GEN V)
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1935

502

Vehicle Specific Information
Engine Family	BB Chevy 396-502 (MARK IV / GEN V)
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1935

396

Vehicle Specific Information
Engine Family	BB Chevy 396-502 (MARK IV / GEN V)
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1936

502

Vehicle Specific Information
Engine Family	BB Chevy 396-502 (MARK IV / GEN V)
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1936

396

Vehicle Specific Information
Engine Family	BB Chevy 396-502 (MARK IV / GEN V)
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1937

502

Vehicle Specific Information
Engine Family	BB Chevy 396-502 (MARK IV / GEN V)
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1937

396

Vehicle Specific Information
Engine Family	BB Chevy 396-502 (MARK IV / GEN V)
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1938

396

Vehicle Specific Information
Engine Family	BB Chevy 396-502 (MARK IV / GEN V)
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1938

502

Vehicle Specific Information
Engine Family	BB Chevy 396-502 (MARK IV / GEN V)
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1939

502

Vehicle Specific Information
Engine Family	BB Chevy 396-502 (MARK IV / GEN V)
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1939

396

Vehicle Specific Information
Engine Family	BB Chevy 396-502 (MARK IV / GEN V)
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1940

502

Vehicle Specific Information
Engine Family	BB Chevy 396-502 (MARK IV / GEN V)
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1940

396

Vehicle Specific Information
Engine Family	BB Chevy 396-502 (MARK IV / GEN V)
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1941

396

Vehicle Specific Information
Engine Family	BB Chevy 396-502 (MARK IV / GEN V)
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1941

502

Vehicle Specific Information
Engine Family	BB Chevy 396-502 (MARK IV / GEN V)
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1942

502

Vehicle Specific Information
Engine Family	BB Chevy 396-502 (MARK IV / GEN V)
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1942

396

Vehicle Specific Information
Engine Family	BB Chevy 396-502 (MARK IV / GEN V)
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1943

502

Vehicle Specific Information
Engine Family	BB Chevy 396-502 (MARK IV / GEN V)
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1943

396

Vehicle Specific Information
Engine Family	BB Chevy 396-502 (MARK IV / GEN V)
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1944

502

Vehicle Specific Information
Engine Family	BB Chevy 396-502 (MARK IV / GEN V)
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1944

396

Vehicle Specific Information
Engine Family	BB Chevy 396-502 (MARK IV / GEN V)
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1945

502

Vehicle Specific Information
Engine Family	BB Chevy 396-502 (MARK IV / GEN V)
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1945

396

Vehicle Specific Information
Engine Family	BB Chevy 396-502 (MARK IV / GEN V)
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1946

396

Vehicle Specific Information
Engine Family	BB Chevy 396-502 (MARK IV / GEN V)
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1946

502

Vehicle Specific Information
Engine Family	BB Chevy 396-502 (MARK IV / GEN V)
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1947

502

Vehicle Specific Information
Engine Family	BB Chevy 396-502 (MARK IV / GEN V)
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1947

396

Vehicle Specific Information
Engine Family	BB Chevy 396-502 (MARK IV / GEN V)
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1948

502

Vehicle Specific Information
Engine Family	BB Chevy 396-502 (MARK IV / GEN V)
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1948

396

Vehicle Specific Information
Engine Family	BB Chevy 396-502 (MARK IV / GEN V)
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1949

396

Vehicle Specific Information
Engine Family	BB Chevy 396-502 (MARK IV / GEN V)
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1949

502

Vehicle Specific Information
Engine Family	BB Chevy 396-502 (MARK IV / GEN V)
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.