cylinder-heads

Edelbrock 61579 - Engine Cylinder Head

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This is a universal fit product

  1. That means this product doesn’t have fitment for any specific vehicle.
  2. If fitment is applicable for your application, be sure to check compatibility with the other components.
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About this product

Part #: 61579

Cylinder Head Specifications: Combustion chamber volume: (A) 65cc / 72cc / 87cc; Intake runner volume: 204cc; Exhaust runner volume: 145cc; Intake valve diameter: 2.11"; Valve stem diameter: 11/32"; Exhaust valve diameter: 1.66"; Valve guides: Manganese bronze; Deck thickness: 5/8"; Valve spring diameter: 1.46"; 120lbs. @ 1.800" Inst. Height; Valve spring maximum lift: .550"; 1.150" Coil Bind; Rocker stud: 7/16"; Guideplate: Hardended steel; Pushrod diameter: 5/16"; Valve angle: 14°; Exhaust port location: Stock; Spark plug fitment: 14mm x 3/4 reach, gasket seat.. Performer Pontiac heads utilize a D-Port exhaust port configuration for use with standard D-port exhaust systems. They are designed for 1962-79 389, 400, 421, 455 cid V8 Pontiac engines with a 4.060in. or larger bore. They feature optimized oil return passages for increased oil flow. These heads are available in three heart shaped combustion chamber sizes, including 65cc, 72cc and 87cc. The 65cc combustion chambers are as-cast while the 72cc and 87cc chambers are fully CNCd to provide a 9.5:1 compression ratios when used with flat-top pistons. The spark plug has been relocated closer to the exhaust valve for improved performance. These heads are cast with extra thick port walls and a compact port size, making them ideal for CNC and hand parting. Complete heads include guide plats, rocker studs and high quality valvetrain for direct bolt-on application. Head crossover machined for 50-state emissions legal performance. INSTALLATION NOTE: 350 c.i.d. engines may require notching the block for valve clearance. Three head bolt bosses are raised higher than the standard D-port heights and will require head bolt kit #8561 to install these heads. Deck thickness: 5/8", rocker stud diameter: 7/16", pushrod diameter: 5/16" (width of slot in guide plate).

More Details

Cylinder Head TypePontiac D-Port
Emission50 State Legal
Engine Make/SizePontiac 455
Engine Make/SizePontiac 389
Engine Make/SizePontiac 400
Engine Make/SizePontiac 421
Engine Make/SizePontiac 428
FinishCast Aluminum
PreparationBolt On (Not Required)
TypeComplete
UsageStreet/Performance
Additional Documents
  1. Installation Instructionspdf

See what our community says about edelbrock products

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What made you choose this particular product?
SHINY
Is this your first time buying from this brand? Did you consider other brands?
Yep. First time.
Was it easy to install? Any installation tips that will help others?
Yea. Very easy.
Once you've had a chance to use the product, did it meet your expectations?
It exceeded my expectations and it made a major increase in my 0-60 time.
View on Graysen's build
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What made you choose this particular product?
Quality, price, and performance are all high
View on Brett's build
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What made you choose this particular product?
I already had the edelbrock intake so I wanted to keep the edelbrock theme
Is this your first time buying from this brand? Did you consider other brands?
not the first time
Was it easy to install? Any installation tips that will help others?
very straight forward
Once you've had a chance to use the product, did it meet your expectations?
very good carb
View on Sergio's build
Jaron Lehman

134

Jaron Lehman
1984 Ford F-150
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What made you choose this particular product?
Performance, ratings, reviews
Is this your first time buying from this brand? Did you consider other brands?
Yes, first time
Was it easy to install? Any installation tips that will help others?
Installed myself, just like installing any other carb semi difficult to tune correctly
Once you've had a chance to use the product, did it meet your expectations?
Really great once tuned correctly...
View on Jaron's build
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What made you choose this particular product?
Great flow great sound.
Was it easy to install? Any installation tips that will help others?
Manifold bolts aint easy to get to.
View on Danny's build
California prop 65 warningWARNING: Cancer and Reproductive Harm www.p65warnings.cs.gov

*Some manufacturer restrictions apply.

About Edelbrock

Founded in 1938, Torrance-based Edelbrock, LLC is recognized as one of the nation’s premier designers, manufacturers and distributor of performance replacement parts for the automotive aftermarket. Edelbrock produces their core products in the United States of America using state-of-the-art equipment in their world class manufacturing facilities. Edelbrock, LLC encompasses five locations in Southern California and one location in North Carolina totaling more than 500,000 square feet.

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