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Vehicle Info NeededHOOKER HEADERSPART NUMBER: 520-2457-4
Competition Headers 396-502 Chevy Big Block V8
$64399
Ships on 09/11/2026
Lowest Price GuaranteeChevy/GM Car Chevy Big Block
- Competition Headers
- 396-502 Chevy Big Block V8
- 1967-69 Camaro
- 1968-74 Nova
- 1965-70 Full Size
- 2" x 27" Primary Tubes
- 3.5'' x 10'' Collector
- Titanium Ceramic Coated
Footnotes: - Complete exhaust systems can be fabricated using Hooker Mufflers.
- 67-69 Camaro, 68-75 Nova must use original dimension Big Block frame stands and motor mounts.
Accessory Compatibility: - Power Steering - Yes
- Power Brakes - Yes
- Air Conditioning - Yes
- Smog Pump - N/A
Transmission Compatibility: - Manual Column Shifter - Yes if equipped
- Manual Floor Shifter - Yes if equipped
- Automatic Column Shifter - Yes if equipped
- Automatic Floor Shifter - Yes if equipped
Included Items Note: Bolts and Gaskets Included, Reducers required
Port Shape: SAP
Emissions Compatibility: Not Street Legal Except Pre-1974
Part TypeHeader
BrandHOOKER HEADERS
Package Height10.25
Package Width19.25
Package Length45.0
Weight44.0 PG
Part CategoryPerformance Parts
Header FinishTitanium ceramic coated
Tube DirectionDown Swept
QuantitySold as a pair
Bolts/Studs IncludedYes
Cylinder Head Port ShapeRound
Transmission Mount IncludedNo
Header MaterialSteel
Gaskets IncludedYes
Tube MaterialMild Steel
Weld-UpNo
Collector Attachment3-bolt flange
Flange StyleStandard
TunedNo
Collector Diameter3.5 in (88.9 mm)
Motor Mounts IncludedNo
Reducers IncludedNo
ApplicationAutomotive
Primary Tube Gauge16-gauge
Header StyleFull-length
Cross Over Pipe IncludedNo
Catalytic Converter(S) IncludedNo
Primary Tube Diameter2 in (50.8 mm)
Vendor Part Number2457-4HKR
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
