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Pontiac 350-455
- Competition Headers
- 350-455 Pontiac
- 1970-79 Firebird/Trans Am
- 1964-75 GTO, LeMans, Grand Am
- 1.625'' x 28'' Primary Tubes
- 3'' x 8'' Collector
- "Darksides" Black Ceramic Coated
Footnotes: - Some factory heads do not have bolt hole in end. Holes must be drilled andtapped to assure proper seal.
Accessory Compatibility: - Power Steering - Yes
- Power Brakes - Yes
- Air Conditioning - Yes
- Smog Pump - N/A
Transmission Compatibility: - Manual Column Shifter - No
- Manual Floor Shifter - Yes
- Automatic Column Shifter - No
- Automatic Floor Shifter - Yes
Included Items Note: Bolts and Gaskets Included, Reducers required
Port Shape:
Emissions Compatibility:
Part TypeHeader
BrandHOOKER HEADERS
Package Height10.0
Package Width19.5
Package Length45.0
Weight39.6 PG
Part CategoryPerformance Parts
Primary Tube Length28 in (711.2 mm)
Header FinishBlack ceramic coated
Tube DirectionDown Swept
QuantitySold as a pair
Bolts/Studs IncludedYes
Cylinder Head Port ShapeD-port
Transmission Mount IncludedNo
Header MaterialSteel
Gaskets IncludedYes
Tube MaterialMild Steel
Weld-UpNo
Collector Attachment3-bolt flange
Flange StyleStandard
TunedNo
Collector Diameter3 in (76.2 mm)
Motor Mounts IncludedNo
Reducers IncludedNo
ApplicationAutomotive
Primary Tube Gauge16-gauge
Header StyleFull-length
Cross Over Pipe IncludedNo
Catalytic Converter(S) IncludedNo
Primary Tube Diameter1.625 in (41.3 mm)
Vendor Part Number4901-3HKR
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
