STREET and STRIP Race Headers; 70-81 firebird 400-455; 1 3/4 in. x 1 7/8 in. Tubes; 3 in. Collector
Hedman Husler Hedders is the longest standing hedder brand on the track today. With racing pedigree that go back more than fife decades, our designers know how to design and build hedders that ensure you get every bit of power out of your engine. We offer an extensive lineup of American Muscle Car hedders, most with a selection of tube sizes to meet any racer's performance needs. With Husler's legendary good quality and championship winning performance, it's no wonder the Husler Name continues to be the first choice among drag racers ant every level of the sport.

Information:

Thermal Protection Up To 1300 Deg.; Will Not Chip Or Peel; More Durable Than Chrome; Will Not Blue Or Discolor; Easy To Clean; Better Heat Insulation; Guaranteed Against External Rust-Through; Best High Temp Coating On The Market Today

Application Summary:

Year Make/Model
1971-1979 Pontiac Firebird
Attributes
Air Conditioning Yes, Yes
Application Automotive
ASIN B0019RNRWG
Automatic Transmission - Column No, No
Automatic Transmission - Floor Yes, Yes
Bolts/Studs Included Yes, Yes
California Proposition 65 WARNING: Cancer - www.P65Warnings.ca.gov
Catalytic Converter(s) Included No, No
Coating/Finish Natural
Collector Attachment 3", 3 in.
Collector Diameter 3 in.
Collector Size 3", 3 in.
Collector Tube Size (in.) 3.5
Contents Pair of Headers, Gaskets & Mounting Hardware, Pair of Headers, Gaskets & Mounting Hardware
Country of Origin (Primary) US
Crossover Pipe Included No, No
Cylinder Head Edelbrock Heads, Edelbrock Heads
Cylinder Head Port Shape D-port, D-port, ROUND- Suitable for use with Factory HO heads with round ports.
E.O. # No, No
Emission Code Off Road
Emissions Notes RACING HEDDER! Not legal for use on pollution controlled vehicles.
Engine Pontiac 400-455, 400-455
Engine Make/Size Pontiac 400-455
Exhaust Exit Under Chassis Exit, Under Chassis Exit
Finish Raw, Uncoated
Finish Type Uncoated Mild steel, Uncoated Mild steel
Flange Style Standard, Standard
Flange Thickness 0.375", 0.375 in.
Gasket # 18074
Gasket Or Seal Included Yes, Yes
Harmonized Tariff Code (Schedule B) 8708925000
Hazardous Material Code N
Head Flange Gasket 18074
Head Flange Style Edelbrock Head, Edelbrock Head
Header Construction MILD STEEL- Standard-Duty
Header Finish Raw, Raw
Header Material Mild Steel, Mild Steel
Header Port Shape Edelbrock Heads, Edelbrock Heads
Header Style Long Tube- Stepped
Key Feature Edelbrock Heads, Edelbrock Heads, Stepped Tubes
Life Cycle Status Code Temporarily Unavailable
Manual Transmission - Column No, No
Manual Transmission - Floor Yes, Yes
Material Mild Steel
Motor Mounts (Included) No, No
Motor Mounts Included NO, No
NAFTA Preference Criterion Code B
Notes 70-81 Firebird 400-455, 70-81 Firebird 400-455
Package Contents Pair of Headers, Gaskets & Mounting Hardware, Set of Headers, mounting hardware and gaskets
Port Shape N/A
Power Steering Yes, Yes
Primary Tube Diameter (in) 1.75" x 1.875", 1.75 in. x 1.875 in.
Primary Tube Gauge 18g, 18g
Quantity Sold as a set., Sold as a set.
Reducer Outlet Size 2-1/2", 2-1/2 in.
Reducers Included Yes, Yes
Replacement Gasket 18074, 18074
Replacement Head Flange Gasket 18074, 18074
SDR Required Flag N
Transmission Mount Included NO
Transmission Mount/Crossmember (Included) No, No
Transmission Mount/Crossmember Included No
Tube Design Stepped Long Tube Race Headers, Standard
Tube Diameter 1-3/4" -1-7/8", 1-3/4" x 1-7/8", 1-3/4 in. x 1-7/8 in.
Tube Direction Down Swept
Tube Length Long Tubes, Long Tubes
Tube Material Thickness 18g, 18g
Tube Size 1-3/4" x 1-7/8", 1-3/4 in. x 1-7/8 in.
Tube Style Long Tube, Long Tubes
Tuned Yes, Yes
Vehicle Family Pontiac Firebird; 1970-81
Vehicle Use Pontiac Firebird; 1970-81
Weld-Up No, No
with A.I.R. No
with A.I.R. System No, No
with EGR No, No
Y-Pipe Included No, No
GTIN 00732611351362

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