Hooker Headers Competition Headers 265-400 Chevy Small Block V8
520-2451
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| Ratings |
|---|
| Price |
| Brand |
Chevy/GM Car Chevy Small Block
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
Footnotes:
Accessory Compatibility:
Transmission Compatibility:
Included Items Note: Bolts and Gaskets Included, Reducers required
Port Shape: SAP
Emissions Compatibility: Not Street Legal Except Pre-1974
Specifications:
Part Type
Product Line
Application
Automotive
Bolts/Studs Included
Yes
Catalytic Converter(s) Included
No
Collector Attachment
3-bolt flange
Cross Over Pipe Included
No
Cylinder Head Port Shape
Oval
Flange Style
Standard
Gaskets Included
Yes
Header Finish
Painted
Header Material
Steel
Header Style
Full-length
Motor Mounts Included
No
Primary Tube Gauge
16-gauge
Quantity
Sold as a pair
Reducers Included
No
Transmission Mount Included
No
Tube Direction
Down Swept
Tube Material
304 Stainless Steel
Tube Material
Mild Steel
Tuned
No
Weld-Up
No
Collector Diameter
3 in (76.2 mm)
Primary Tube Diameter
1.625 in (41.3 mm)
Primary Tube Length
30 in (762 mm)
Manufacturer's Part Number:
2451HKR
Shipping Weight:
35
Package Height:
18
Package Depth:
39
Package Width:
10
Part Category:
Performance Parts
Part Fitment:
Semi Universal
2451 - Hooker Headers Competition Headers Chevy/GM Car is rated
out of
5 by
26.
Rated 5 out of
5
by
RedRaven from
Excellent fit
Very good instructions for intall included. Only had to make a small modification to one bracket to make them fit. Sounds great, and paint dosent cook off instantly. Very happy with this product.
Date published: 2023-03-22
Rated 5 out of
5
by
CARS1 from
Yes
Shipped fast. Looked great but didn't fit so sent back so far they have been great to work with and its been a seamless process.
Date published: 2022-05-03
Rated 5 out of
5
by
Cutty23 from
Great Headers
I bought these headers a few weeks ago for my 85 cutlass supreme. I had to make minor adjustments to them but after fit sweet like a cupcake!!
Date published: 2021-07-26
Rated 5 out of
5
by
Ken87 from
Purchased them for 81 regal bulid sbc 383 stroker fit like a glove could sneak them in while motor was already in no scratches or dents and descent clearance on plugs and wires worth every dollar
Date published: 2019-07-17
Rated 5 out of
5
by
Novaman69 from
Perfect Fit
Put these on a 1969 Chevy Nova 4-door with a powerglide transmission works with column shifter perfectly other headers either went right into the linkage or made it impossible to switch into Drive.
Date published: 2019-06-11
Rated 5 out of
5
by
TruckAz from
Great product overall
Great description
Well built
Easy installation
Includes all Hardware
Can't beat the price and quality I've Checked!
Date published: 2019-01-10
Rated 5 out of
5
by
Austinkstevens from
Fit perfect
I have installed theses and I can’t get my dipstick tube to slide back in has any one else’s had this problem? 92 Chevy z71 350/5.7L
Date published: 2018-05-07
Rated 5 out of
5
by
Judy and Keith from
Thank you Jegs!!
I bought these for my husband and he was thrilled! You can't go wrong with Jeg's! Always the best customer service and they back up everything they sell. Love you guys!!
Date published: 2017-04-10
Will these fit a 1971 Chevy Nova with 350 power steering manual transmission straight plugs
The Hooker 520-2451 header will fit a '71 Nova 350.
Date published: 2023-08-11
Will these fit a 1987 Camaro with a 350
The Hooker 520-2451 header does not fit a '87 Camaro.
Date published: 2023-07-19
Will these fit a blueprint sbc 350 and it's going in a 1986 monte carlo
The Hooker 520-2451 header will fit a Blueprint 350 in an '86 Monte Carlo with straight plug heads.
Date published: 2023-06-13
Will these fit on a 1980 Chevrolet C10 Scottsdale?
The Hooker 520-2451 header does not fit a C10 pick up.
Date published: 2023-06-12
Would these fit a 1972 Monte Carlo
The Hooker 520-2451 header will fit a '72 Monte Carlo with small block engine.
Date published: 2023-06-09
Is the exhaust ports 2" or 1 1/2" on the headers
The Hooker 520-2451-1 header is 1 5/8.
Date published: 2023-04-18
Will these fit 1992 K1500 4x4 reg cab? Truck has 9 inch lift upgraded from suspension and I want to replace the exhaust from the block back
The Hooker 520 2451 header does not fit a '92 K1500.
Date published: 2023-03-01
Will these fit a 79 Camaro with manual clutch linkage?
The Hooker 520-2451 header will work with manual clutch linkage.
Date published: 2022-11-02
These headers will not fit any factory application with side engine mounts including 1963-82 Corvette. One header will fit either side - no right or left side header. If your vehicle is equipped with the late model factory safety shell ...
Applications Continued:1968-74 Van/Class A Motorhome Footnotes:One tube over the frame on passenger side.Applications with oxygen sensors use reducers 555-30012.Accessory Compatibility:Power Steering - Yes, drivers side mounting requires installation of provided spacerPower Brakes - YesAir Conditioning - ...
Some parts are not legal for use in California or other states with similar laws / regulations
Motor Vehicles
WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.
Tools:
WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.
Electrical Cords
WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.