Hooker Headers 2451 Competition Long Tube Headers 283-400 Small Block Chevy V8
520-2451
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| Ratings |
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| Price |
| Brand |
Chevy/GM Car Chevy Small Block
Applications Continued:1978-1987 G-Body 1965-1989 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
Collector Diameter
3 in (76.2 mm)
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
Package Depth
18.00
Package Height
39.00
Package Width
10.00
Part Category
Performance Parts
Part Fitment
Semi Universal
Primary Tube Diameter
1.625 in (41.3 mm)
Primary Tube Gauge
16-gauge
Primary Tube Length
30 in (762 mm)
Quantity
Sold as a pair
Reducers Included
No
Shipping Weight
35.00
Transmission Mount Included
No
Tube Direction
Down Swept
Tube Material
Mild Steel
Tuned
No
Vendor Part Number
2451HKR
Weld-Up
No
2451 - Hooker Headers Competition Headers Chevy/GM Car is rated
out of
5 by
27.
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 blueprint 400 sbc
The Hooker 520-2451 header will fit a Blueprint small block Chevy engine.
Date published: 2024-08-08
Do these fit a 1974 Chevy G 10 short van?
The Hooker 520-2451 header does not fit a G10 van.
Date published: 2024-06-13
Will these fit a 1972 c10 with a 350 sbc
The Hooker 520-2451 header does not fit a '72 C10.
Date published: 2024-04-29
Will these fit a 1950 Mercury Eight with a 327 in it
The Hooker 520-2451 header does not fit a '50 Mercury.
Date published: 2024-04-01
Will these fit a 1985 Corvette?
The Hooker 520-2451 header does not fit an '85 Corvette.
Date published: 2024-03-29
Would these fit on a 1987 montecarlo ss, with a small block chevy 350. My issue is the upper control arm on passenger side.. Thanks
The Hooker 520-2451 header will fit an '87 Monte Carlo.
Date published: 2024-03-27
Will these work with 83 Cutlass Supreme SBC 350 w/ aluminum heads?
The Hooker 520-2451 header will fit an '83 Cutlass with small block Chevy engine.
Date published: 2024-03-12
Will they fit on 2001 silverado 1500 4x4
The Hooker 520-2451 header does not fit an '01 Silverado.
Date published: 2023-12-15
Continued Description B & E Bodies Include 1967-72 Dodge Challenger, Charger, Coronet, Wagons 1967-72 Plymouth Belvedere, GTX, Road Runner, Satellite, Sebring, Wagons Footnotes: Hooker headers for MOPAR 383-440 engines will bolt on the popular aftermarket B-S heads. However, because the ...
Footnotes: Will not fit motors equipped with air injection pump without modification.Hooker headers for MOPAR 383-440 engines will bolt on the popular aftermarket B-S heads. However, because the exhaust port    centerline on these heads is 5/8" higher and 3/8" ...
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.