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Offenhauser 5415 1963-75 Chevy 6-Cylinder Dual Carb Intake Manifold

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Specs
Material Type:
Aluminum
Sold in Quantity:
Each
Finish:
Natural
Intake Manifold Type:
Single Plane
Carburetor Quantity:
Two
Carburetor Flange Type:
1-Barrel 2-Bolt
MFG. Part #:
5415
Notes
Accepts Rochester B or BC carbs.
Offenhauser 5415 1963-75 Chevy 6-Cylinder Dual Carb Intake Manifold
Offenhauser 5415 1963-75 Chevy 6-Cylinder Dual Carb Intake Manifold
Offenhauser 5415 1963-75 Chevy 6-Cylinder Dual Carb Intake Manifold
Offenhauser 5415 1963-75 Chevy 6-Cylinder Dual Carb Intake Manifold

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Details

Reviews

Q & A

What's in the Box

Offenhauser Dual Carburetor Chevy 194, 230, 250 and 292 intake allow you to run a Big 6 without the hassles and cost of the GMC. Manifold provides a nostalgic appearance while equalizing fuel distribution to all cylinders, improving both performance and economy. With this lightweight cast aluminum manifold, your inline six will be more responsive across the RPM range.

Accepts two OEM (Rochester B or BC) 1-barrel carbs like the original on your 1963-1975 straight 6. Manifold comes with a non-progressive linkage kit.

Item Details

194-230-250-292 engines

Notes

Note: This intake manifold is designed to bolt up to the heat box on your original exhaust manifold. Exhaust heat must be routed to the bottom of the intake to help keep the fuel droplets suspended in the air/fuel mixture, providing better cold weather performance and overall driveability.

If using split manifolds or exhaust headers, you must still supply heat to the bottom of intake using a heat box that you fabricate. This can be done by routing either exhaust heat or engine coolant to the bottom of the intake via copper or steel tubing.

Customer Reviews

Rated 3.7 out of 5 by 3 reviewers.
RATING BREAKDOWN
3 reviews
5 Stars
1
4 Stars
1
3 Stars
0
2 Stars
1
1 Star
0
RECOMMEND THIS PRODUCT:

SharylErnest
Verified Purchaser
Phoenix, AZ, USA

Great product

September 05, 2014
Arrived safe and sound! Exactly what we ordered...it will look great in our 1966 Chevy K 10!
Yes, I recommend this product.
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Jim
Verified Purchaser
Colorado Springs, CO

Beware

July 22, 2012
The intake manifold was what I expected and of good quality. The linkage however, Is poorly engineered and nearly useless. I used the correct carburators as the instructions suggest. I spent many hours fabricating a usable linkage with some parts from the offy kit. I called Speedway and got no suggestions other than I may have to "tweek it". Offenhauser offers no tech help on their web site.
No, I would not recommend this product.
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Shawn
Verified Purchaser
BrookPark,Ohio

We love this intake

August 08, 2011
improved performance and looks cool
Pros:
  • Lightweight
  • Durable
  • Improves Engine Efficiency
  • Increases Power
  • Easy To Install
Yes, I recommend this product.
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Page 1 of 1

Product Q&A

3 questions : 3 answers

1 answers

will it fit 1977 292, does it have vacum ports

Warts
Virginia, USA
February 19, 2014

will it fit 1977 292, does it have vacum ports

Answers

February 20, 2014
EricM
Yes this will fit a 1977 292 and does have vacuum ports.
1 answers

will two weber carbs fit on this? weber carb number dgev 32-36.

spike
Denton Md.
February 07, 2011

will two weber carbs fit on this? weber carb number dgev 32-36.

Answers

February 10, 2011
Clark
The Weber carbs will NOT fit the manifolds for the 6-cyl. The manifolds are designed to accept two of the original style 1 bbl carbs. You would need to provide your own adaptors to mount the Weber carburetors, which are 2-bbl carbs with a much bigger base than the 6 cylinder Chevy.
1 answers

do you sell the bottom cover plate for the water jacket?

lockport ny
June 29, 2011

do you sell the bottom cover plate for the water jacket?

Answers

October 25, 2012
Jason
We currently do not offer the bottom cover plate for this manifold. You may want to check with a restoration supplier or Clifford Performance in California
Page 1 of 1

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Offenhauser Triple Carburetor Chevy 194, 230, 250 and 292 intakes allow you to run a Big 6 without the hassles and cost of the GMC. Manifold provides a nostalgic appearance while equalizing fuel distribution to all cylinders, improving both performance and economy. With this lightweight cast aluminum manifold, your inline six will be more responsive across the RPM range.

Accepts three OEM (Rochester B or BC) 1-barrel carbs like the original on your 1963-1975 straight 6. Includes a "progressive" linkage kit and various tubing & fittings for plumbing fuel lines.

Item Details

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Offenhauser 5417 Chevy 6-Cylinder Finned Valve Cover
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  1. This cover has one hole for a filler/breather. We suggest Twist-In Breather 550-2061.
  2. There are no "baffles" and no hole for a PCV valve. You would have to make your own hole.
  3. May have clearance issues with oversize valve springs.
  4. Please note that the valve cover is not polished between the fins on the top and in the side recesses on both sides of the valve cover.

Item Details

194-230-250-292
1963-Up Chevy 6-Cylinder Chrome Valve Cover
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Item Details

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Chevy 6-Cylinder Side Covers
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Item Details

194-230-250, Not 292