STREET and STRIP Race Headers; 70-81 FIREBIRD 400-455; 2 in. Tubes; 3-1/2 in. Collector
Specifications:
Description_ASM |
1970-1977 Pontiac Firebird Base CID 400 Naturally Aspirated GAS, 1977 Pontiac Firebird Base CID 403 Naturally Aspirated GAS, 1971-1974 Pontiac Firebird Base CID 455 Naturally Aspirated GAS, 1978-1979 Pontiac Firebird Formula CID 400 Naturally Aspirated GAS, 1978-1979 Pontiac Firebird Formula CID 403 Naturally Aspirated GAS |
Description_DEF |
Exhaust Header |
Description_DES |
STREET and STRIP Hedders; 70-81 FIREBIRD 400-455; 2 in. Tubes |
Description_INV |
HUSLER PONTIAC EXHAUST HEADERS |
Description_EXT |
STREET and STRIP Race Headers; 70-81 FIREBIRD 400-455; 2 in. Tubes; 3-1/2 in. Collector |
Description_SHO |
RACE HEADERS |
Air Conditioning |
No |
Automatic Transmission - Column |
Yes |
California Proposition 65 |
WARNING: Cancer. For more info visit www.P65Warnings.ca.gov |
Automatic Transmission - Floor |
Yes |
Bolts/Studs Included |
Yes |
Catalytic Converter(s) Included |
No |
Finish Type |
Uncoated Mild steel |
Header Finish |
Raw |
Flange Style |
Standard |
Finish |
Uncoated |
Header Port Shape |
Edelbrock Heads |
Header Construction |
MILD STEEL- Standard-Duty |
Collector Size |
3-1/2 in. |
Cylinder Head Port Shape |
ROUND- Suitable for use with Factory HO heads with round ports. |
Header Material |
Mild Steel |
Collector Diameter |
3-1/2 in. |
Installation Notes |
Flange may need to be cut between ports to install hedders. Do not cut between twin ports. |
Flange Thickness |
0.375 in. |
Gasket Or Seal Included |
Yes |
Contents |
Pair of Headers, Gaskets & Mounting Hardware |
Engine |
Pontiac 400-455 |
Header Style |
Long Tube |
Collector Attachment |
3-1/2 in. |
Cylinder Head |
Factory |
E.O. # |
No |
Exhaust Exit |
Under Chassis Exit |
Crossover Pipe Included |
No |
Emissions Notes |
RACING HEDDER! Not legal for use on pollution controlled vehicles. |
Replacement Head Flange Gasket |
18074 |
Title |
HEDMAN HUSLER HEDDERS STREET AND STRIP HEADERS; 70-81 FIREBIRD 400-455; 2 IN. TUBES; 3-1/2 IN. COLLECTOR |
Replacement Gasket |
18074 |
Quantity |
Sold as a set. |
Manual Transmission - Floor |
No |
Primary Tube Diameter (in) |
2 in. |
Power Steering |
No |
Package Contents |
Set of Headers, mounting hardware and gaskets |
Product Info |
70-81 PONTIAC FIREBIRD- 17/8 in., 2 in., 31/2 in. - HUSLER STEPPED TUBE RACE HEDDERS |
Primary Tube Gauge |
18g |
Key Feature |
Edelbrock Heads |
Motor Mounts Included |
No |
Reducer Outlet Size |
2-1/2 in. |
Material |
Mild Steel |
Notes |
70-81 Firebird 400-455 |
Manual Transmission - Column |
No |
Reducers Included |
Yes |
Tube Material Thickness |
18g |
Tuned |
Yes |
Tube Diameter |
2 in. |
Y-Pipe Included |
No |
Weld-Up |
No |
Tube Size |
2 in. |
Tube Length |
Long Tubes |
Tube Design |
Standard |
with EGR |
No |
Tube Style |
Long Tubes |
Vehicle Family |
Pontiac Firebird; 1970-81 |
with A.I.R. System |
No |
Length |
11.0000 |
Width |
22.0000 |
Height |
35.0000 |
Weight |
40.0000 |