
HOOKER HEADERSPART NUMBER: 520-3901
Competition Headers 350-403 Oldsmobile
$49995
More than 10 availableOldsmobile 350-403
- Competition Headers
- 350-403 Oldsmobile
- 1968-77 Cutlass/442
- 1977-78 Firebird/Trans Am
- 1.625'' x 29'' Primary Tubes
- 2.5'' x 8'' Collector
- Black Painted
Footnotes: - Complete exhaust systems can be fabricated using Hooker Mufflers.
- This header does not fit the Cutlass Supreme Model.
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 - Cutlass only
- Automatic Floor Shifter - Firebird only
Included Items Note: Bolts and Gaskets Included, Reducers required
Port Shape: SAP
Emissions Note:
This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.
CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART
Part TypeHeader
BrandHOOKER HEADERS
Package Height12.0
Package Width16.25
Package Length42.5
Weight39.6 PG
Part CategoryPerformance Parts
Primary Tube Length29 in (736.6 mm)
Header FinishPainted
Tube DirectionDown Swept
QuantitySold as a pair
Bolts/Studs IncludedYes
Transmission Mount IncludedNo
Header MaterialSteel
Gaskets IncludedYes
Tube MaterialMild Steel
Weld-UpNo
Collector Attachment3-bolt flange
Flange StyleStandard
TunedNo
Collector Diameter2.5 in (63.5 mm)
Motor Mounts IncludedNo
Part FitmentSemi Universal
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 Number3901HKR
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations


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