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Chevy Corvette Chevy Small Block
- Competition Headers
- 265-400 Chevy Small Block V8
- 1955-82 Corvette
- 1.625'' x 24'' Primary Tubes
- 3'' x 8'' Collector
- Titanium Ceramic Coated
Footnotes: - A/C Requires bracket 520-10925 drivers side or 520-10926 passenger side. 1979 and later with short compressor use stock brackets.
- Will not fit angle plug heads.
- Header dual exhaust system 520-16521 gives you a mandrel bent pipe kit to finish your performance exhaust.
- Header dual system will not fit Turbo 400 applications.
Accessory Compatibility: - Power Steering - Yes
- Power Brakes - Yes
- Air Conditioning - Yes, may require brackets listed above
- 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: SAP
Emissions Compatibility: Not Street Legal Except Pre-1974
Part TypeHeader
BrandHOOKER HEADERS
Package Height10.5
Package Width19.5
Package Length45.0
Weight35.5 PG
Part CategoryPerformance Parts
Header FinishTitanium ceramic coated
Tube DirectionDown Swept
QuantitySold as a pair
Bolts/Studs IncludedYes
Cylinder Head Port ShapeOval
Transmission Mount IncludedNo
Header MaterialSteel
Gaskets IncludedYes
Weld-UpNo
Collector Attachment3-bolt flange
Flange StyleStandard
TunedNo
Collector Diameter3 in (76.2 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 Number2456-4HKR
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
