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Chevy/GM Car Chevy Small Block
- Competition Headers
- 265-400 Chevy Small Block V8
- 1967-81 Camaro/Firebird
- 1964-87 Chevelle/El Camino
- 1970-87 Monte Carlo
- 1968-79 Nova
- 1.625'' x 30'' Primary Tubes
- 3'' x 8'' Collector
- Titanium Ceramic Coated
Applications Continued: - 1978-87 G-Body
- 1965-89 Full Size Car
Footnotes: - Designed for stock heads with factory straight plugs (4-1/2" plug spacing).
- Will not fit angle plug heads.
- Complete exhaust systems can be fabricated using Hooker Mufflers.
- A/C Requires bracket 520-10925 drivers side or 520-10926 passenger side. 1979 and later with short compressor use stock brackets.
- Applications with oxygen sensors use 555-30012 for 3' three bolt flange.
- The #1 tube (front drivers) has a small dent for spark plug and spark plug wire clearance.
Accessory Compatibility: - Alternator/Generator - Yes, except short water pump engines with drivers side mount will require 520-10927 and 520-10928
- Power Steering - Yes
- Power Brakes - Yes
- Air Conditioning - Yes, may require brackets listed above
- Smog Pump - Requires modifications
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 Height10.0
Package Width20.0
Package Length45.0
Weight39.88 PG
Part CategoryPerformance Parts
Header FinishTitanium ceramic coated
Tube DirectionDown Swept
Bolts/Studs IncludedYes
Cylinder Head Port ShapeOval
Transmission Mount IncludedNo
Gaskets IncludedYes
TunedNo
Motor Mounts IncludedNo
Primary Tube Gauge16-gauge
Header StyleFull-length
Cross Over Pipe IncludedNo
Primary Tube Length30 in (762 mm)
QuantitySold as a pair
Header MaterialSteel
Tube Material304 Stainless 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 Number2451-4HKR
Package Qty1
Package TypeEA
No Questions
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Some parts are not legal for use in California or other states with similar laws / regulations
