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American Motors / Jeep
- Competition Headers
- 304-401 AMC V8
- 1972-80 Jeep CJ5/6/7
- 1.625'' x 28'' Primary Tubes
- 3'' x 8'' Collector
- Metallic Ceramic Coated
Footnotes: - Complete exhaust systems can be fabricated using Hooker Mufflers.
- Fenderwell exit.
- Use Hooker reducers 520-11030 to connect headers to stock exhuast system.
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 - Yes
- Automatic Floor Shifter - No
Included Items Note: Bolts and Gaskets Included, Reducers required
Port Shape: REC
Emissions Compatibility: Not Street Legal Except Pre-1974
Part TypeHeader
BrandHOOKER HEADERS
Package Height9.5
Package Width16.25
Package Length39.25
Weight31.3 PG
Part CategoryPerformance Parts
Header FinishSilver ceramic coated
Tube DirectionDown Swept
Bolts/Studs IncludedYes
Cylinder Head Port ShapeRectangular
Transmission Mount IncludedNo
Gaskets IncludedYes
TunedNo
Motor Mounts IncludedNo
Primary Tube Gauge16-gauge
Header StyleFenderwell
Cross Over Pipe IncludedNo
Primary Tube Length28 in (711.2 mm)
QuantitySold as a pair
Header MaterialSteel
Tube MaterialMild Steel
Weld-UpNo
Collector Attachment3-bolt flange
Flange StyleStandard
Collector Diameter3 in (76.2 mm)
Part FitmentSemi Universal
Reducers IncludedNo
ApplicationAutomotive
Catalytic Converter(S) IncludedNo
Primary Tube Diameter1.625 in (41.3 mm)
Vendor Part Number9401-1HKR
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
