Hedman Hedders - 66104
Headers - Street - 1.75 in Primary - 3 in Collector - Steel - Metallic Ceramic - Small Block Chevy - GM F-Body / X-Body 1970-81 - Pair
HTC Coated Headers; 1-3/4 in. Tube Dia.; 3 in. Coll.; FULL LENGTH Design
- Handcrafted, Mild Steel Construction.
- Long Tube Header Design Provides Excellent Top-End Horsepower and Torque.
- Ball & Socket Collector Design requires No Gasket, and Allows For More Exhaust System Misalignment than Old School, Gasket-Style Header Collectors
- Includes All The Necessary Mounting Hardware, Gaskets and Reducers (exhaust adapters)
- Limted Lifetime Warranty On Construction, Five Year Warranty on Factory-Applied Header Coating!
- Proud To Say, Made In The USA, Since 1954!
Bolts/Studs Included: Yes
Flange Thickness: 0.3125 in.
Gasket Or Seal Included: Yes
Header Style: Long Tube
Reducers Included: Yes
Air Conditioning: Yes
Automatic Transmission - Column: Yes
Automatic Transmission - Floor: Yes
Collector Size: 3 in.
Collector Style: BALL and SOCKET Style (Gasketless)
Exhaust System Dia: 2-1/2 in.
Finish: HTC Polished Silver Ceramic-Metallic
Finish Type: HTC SILVER (polished) Ceramic-metallic Coating
Flange Style: Standard
Replacement Head Flange Gasket: 27560
Header Port Shape: Rectangle
Key Feature: Without A.I.R.
Manual Transmission - Column: No
Manual Transmission - Floor: Yes
Material: Mild Steel
Port Shape: Rectangle
Power Steering: Yes
Reducer Outlet Size: 2-1/2 in.
Tube Diameter: 1-3/4 in.
Tube Length: Long Tubes
Tube Size: 1-3/4 in.
Variations: 65104
Cylinder Head Port Shape: Rectangle
Header Finish: HTC Polished Silver Ceramic-Metallic
Header Material: Mild Steel
Mounting Hardware Included: Yes
Primary Tube Diameter (in): 1.75 in.
Tuned: No
Weld-Up: No
Collector Bolts Included: Yes
Catalytic Converter(s) Included: No
Crossover Pipe Included: No
Motor Mounts Included: No
Quantity: Sold as a pair.
Cylinder Head: Stock Profile Heads
Replacement Gasket: 27560
Installation Hardware Included: Yes
with A.I.R. System: No
with EGR: No
Y-Pipe Included: No
Collector Attachment: 3 in.
Emissions Notes: Not Legal For Street Use on '75-Later Model Years! Legal for off-road use only.
Header Construction: MILD STEEL- Standard-Duty
E.O. #: No
Contents: Header(s), new bolts, gasket(s) to head, reducer(s) and hardware, instructions
Notes: 70-81 Camaro, 75-79 Nova 283-400
Collector Diameter: 3 in.
Tube Style: Long Tubes
Footnotes: 103. Will fit angle plug heads ( Chevy Aluminum L98 Profile Only)
Footnotes: 49. Will not fit Saginaw close ratio steering with 825 steering box.
Package Contents: Headers, ball and socket reducers (exhaust adapters), gaskets, mounting hardware
Tube Material Thickness: 16g
Primary Tube Gauge: 16g
Tube Design: Standard
Header Fasteners Included: Yes
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