Hedman Hedders - 66104
Headers - Street - 1.75 in Primary - 3 in Collector - Gaskets / Hardware Included - 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
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
Reducers Included: Yes
Tube Size: 1-3/4 in.
Y-Pipe Included: No
Quantity: Sold as a pair.
Primary Tube Gauge: 16g
Primary Tube Diameter (in): 1.75 in.
Package Contents: Headers, ball and socket reducers (exhaust adapters), gaskets, mounting hardware
Header Material: Mild Steel
Header Finish: HTC Polished Silver Ceramic-Metallic
Cylinder Head Port Shape: Rectangle
Cylinder Head: Stock Profile Heads
Header Construction: MILD STEEL- Standard-Duty
Replacement Gasket: 27560
Replacement Head Flange Gasket: 27560
Variations: 65104
Tube Material Thickness: 16g
Tube Style: Long Tubes
Exhaust System Dia: 2-1/2 in.
Air Conditioning: Yes
Automatic Transmission - Column: Yes
Automatic Transmission - Floor: Yes
Manual Transmission - Column: No
Manual Transmission - Floor: Yes
Power Steering: Yes
Footnotes: 103. Will fit angle plug heads ( Chevy Aluminum L98 Profile Only)
Collector Attachment: 3 in.
Collector Diameter: 3 in.
Collector Size: 3 in.
Collector Style: BALL and SOCKET Style (Gasketless)
Reducer Outlet Size: 2-1/2 in.
Contents: Header(s), new bolts, gasket(s) to head, reducer(s) and hardware, instructions
Tube Length: Long Tubes
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
Flange Style: Standard
Flange Thickness: 0.3125 in.
Header Port Shape: Rectangle
Header Style: Long Tube
Notes: 70-81 Camaro, 75-79 Nova 283-400
Key Feature: Without A.I.R.
Port Shape: Rectangle
Material: Mild Steel
Tube Design: Standard
Tube Diameter: 1-3/4 in.
Mounting Hardware Included: Yes
with A.I.R. System: No
with EGR: No
Weld-Up: No
Tuned: No
