Product Summary

Carbureted Fuel System Type, Three Carburetor Quantity

  • Designed to work with 283, 327, 350 & 400 Small Block Chevy V8's from '57-62
  • Integrated 2-barrel 4-blot carburetor flange
  • Cast aluminum construction
  • Strategically placed oil filler hole
  • Will NOT work with HEI distributor
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Key Specs

MFG. Part #3558
BrandOffenhauser
Intake Manifold TypeDual Plane
Carburetor Flange Type2-Barrel 4-Bolt
Material TypeAluminum
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Need To Know

Quick and Easy Returns

Return Policy

Offenhauser 3558 Details

Offenhauser 3x2 tri-power manifold for 283, 327, 350 & 400 Small Block Chevy. Carb mount stud pattern is 1-7/8" x 3-1/4" (small base Rochester).

  • Hole in front to accept an oil fill tube
  • HEI distributor will not fit

Specs

Approximate Intake Height Measurments: 

Front (Thermostat) = 2-1/4"

1st carb = (Front) 3-3/8 - (Rear) 3-9/16"

2nd carb = (Front) 3-3/4 - (Rear) 3-7/8"

3rd carb = (Front) 4-1/8 - (Rear) 4-1/4"

Rear (Distributor) =  1-1/4"

 

CARB Warning

For race/ off road use or for use on pre-1966 vehicles.

Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway, or if installed in vehicles model-year 1965 or older; motorcycles model-year 1977 or older; or off-highway recreational vehicles (such as off-road motorcycles and all-terrain vehicles) model-year 1996 and older. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.

Offenhauser 3558 Specifications

KEY SPECS
MFG. Part #3558
BrandOffenhauser
Intake Manifold TypeDual Plane
Carburetor Flange Type2-Barrel 4-Bolt
Material TypeAluminum
GENERAL
Fuel System TypeCarbureted
Carburetor QuantityThree
FinishNatural
ColorNatural
EGRNo
Intake Section IncludedComplete
Hardware IncludedNo
Gaskets IncludedNo
Sold in QuantityEach
NotesAccepts 3-1/4" x 1-7/8" small base Rochester carbs. HEI will not fit.

Ratings & Reviews

4

5 Reviews

Overall Assessment

Customers appreciate our product for its quality and practicality. Many have replaced their original engines with our sbc 350 due to its superior performance. Despite some minor casting irregularities, users find that the item delivers good functionality, especially when paired with the recommended gasket set. There were negative comments about the product's ports, but customers noted this did not hamper performance. In comparison to competitors, customers were glad that our product guarantees accuracy and satisfaction, highlighting our one-year return policy, and recommending it to others.

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I would buy this Item again and recomend it as well.

5.0

6 years ago

justbill

Rio Rico, AZ

Verified

I am replacing my origional Jeep engine with a sbc 350 and have always loved tri-power.

Would Recommend

just what i was looking for

5.0

6 years ago

Butch

Toledo, Ohio

Verified

Good Quality part

Would Recommend

Iffy manifold

4.0

8 years ago

Don

Colorado Springs, CO.

Verified

Ordered this to go with my 3 Rochester carbs I am rebuilding. Works well with the recommended gasket set.

Would Recommend

Speedway Rocks

5.0

8 years ago

Taz

Lakeland , Florida

Verified

Replaced one just like it perfectly .

Would Recommend

Recommend discontinuing product

1.0

9 years ago

Bob

Olney, Md.

Verified

Unacceptable casting irregularities at carb base and ports. Ports could be cleaned up by gasket matching. Carb base shouldn't affect performance. Only can hope the machine work is accurate. Glad Speedway has that one year return policy.

Would Not Recommend

Showing 5 of 5 reviews

Questions & Answers

12 Questions • 10 Answers

Will this intake fit 350 Vortec heads?

by Robert

• 5 years ago

1 answer

Why isn't this manifold compatible with a 91 sbc 350?

by Joe

• 7 years ago

1 answer

Is this manifold available for BB Chevy engine? Are there any 3 deuce manifolds for a BB Chevy? Love the tri power BB Chevy but don't want to pay $2000 for an original manifold. Is there anything available for a BB motor?

by Nickie

• 7 years ago

1 answer

Do you have intake manifold for '57 AB Ford Flat Head engine that will except two Carbs?! Also price? Offenhauser of course! Thank You!

by Mel

• 8 years ago

1 answer

is there a choke spring for the tri power 5419 intake its a great set up just dont want a manual choke cable 86 305 chevrolet motor

by showstopper

• 11 years ago

1 answer

What is the port size? I would like to know the width and length of the ports on the Offenhauser 3558 intake. Thanks!

by Tinshed

• 11 years ago

1 answer

water neck. stopped in 8/12/14 picked up water neck pointed to the left, it measured 1.625 tall, the Rochester carb sits 1.50 above water neck, which water neck is needed? or do I stack gaskets on that carb?

by missle

• 11 years ago

1 answer

offenhauser manifold center line same as eldebrock 5 1/2? My fuel line is made for 5 1/2 spacing for rochester carbs is it the same spacing Thanks

by Kreepi1

• 13 years ago

1 answer

Will this manifold accept a electronic Distributer/ magneto?

by

• 14 years ago

1 answer

What are the torque settings for the intake manifold bolts for this manifold? Thanks

by 23TRod

• 15 years ago

1 answer

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Fitment

  • 2-Piece Rear Main Chevy 283

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  • Gen 1 L79 Small Block Chevy

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  • 327 Chevy Small Block V8

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  • Gen 1 L79 Small Block Chevy

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  • Gen 1 L76 Small Block Chevy

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  • Gen 1 L79 Small Block Chevy

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  • Gen 1 L79 Small Block Chevy

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  • 327 Chevy Small Block V8

  • 327 Chevy Small Block V8

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  • 327 Chevy Small Block V8

  • 327 Chevy Small Block V8

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  • 327 Chevy Small Block V8

  • 327 Chevy Small Block V8

  • 327 Chevy Small Block V8

  • 327 Chevy Small Block V8

  • 327 Chevy Small Block V8

  • 327 Chevy Small Block V8

  • 2-Piece Rear Main Chevy 283

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  • Gen 1 L76 Small Block Chevy

  • Gen 1 L76 Small Block Chevy

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