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$1,568.95
$1,266.99
Edelbrock 61579 Performer D-Port Cylinder Head, Pontiac
Edelbrock 61579 Performer D-Port Cylinder Head, Pontiac

Edelbrock 61579 Performer D-Port Cylinder Head, Pontiac

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Edelbrock 61579 Performer D-Port Cylinder Head, Pontiac
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Edelbrock 61579 Performer D-Port Cylinder Head, Pontiac Edelbrock 61579 Performer D-Port Cylinder Head, Pontiac Edelbrock 61579 Performer D-Port Cylinder Head, Pontiac Edelbrock 61579 Performer D-Port Cylinder Head, Pontiac Edelbrock 61579 Performer D-Port Cylinder Head, Pontiac
Edelbrock 61579 Performer D-Port Cylinder Head, Pontiac
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Edelbrock estimates this item will ship on or before August 28th.
Part # 32561579
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Important Messages:

  • This item ships directly from the manufacturer. It may take an additional 4 business days for Edelbrock to ship this item.
  • This item ships via Ground Shipping only. Expedited and Air shipping options are not available.

Details

Cylinder Head Style:
Assembled
Material Type:
Aluminum
Combustion Chamber:
87cc
Intake Valve Diameter:
2.11"
Exhaust Valve Diameter:
1.66"
Spark Plug Style:
Angle
Finish:
Natural
Sold in Quantity:
Each
CNC-Machined Combustion Chamber:
Yes
Intake Port Location:
Standard
Intake Port Shape:
Rectangle
Exhaust Port Location:
Standard
Exhaust Port Shape:
D-port
Intake Valves Included:
Yes
Exhaust Valves Included:
Yes
Valve Spring Included:
Yes
Maximum Lift:
0.55"
Outside Diameter of Outer Spring:
1.46"
Damper Spring Included:
Yes
Number of Springs Per Valve:
Single
Retainers Included:
Yes
Retainer Material:
Steel
Locks Included:
Yes
Lock Style:
7 Degree
Valve Stem Seal Type:
Umbrella
Rocker Arm Studs Included:
Yes
Rocker Arms Included:
No
Rocker Arm Nuts Included:
No
Guideplates Included:
Yes
Guideplate Pushrod Size:
16-May"
Valve Guide Material:
Manganese bronze
Valve Seats Machined:
Yes
Valve Seat Machine Style:
3-angle
Valve Seat Material:
Ductile Iron
Steam Holes Drilled:
No
Oiling Style:
Through Pushrod
Machined for O-Ring:
No
Heat Crossover:
Yes
Intake Valve Angle:
14
Combustion Chamber Style:
Heart
Intake Runner Volume:
204cc cu. in.
Exhaust Runner Volume:
145cc cu. in.
CNC-Machined Exhaust Runner:
No
CNC-Machined Intake Runner:
No
Valve Stem Seals Included:
Yes
Accessory Bolt Holes Drilled:
Yes
Valve Guides Included:
Yes
GTIN Code:
085347615797

Info

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 CNC'd 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.
  • Manufactured w/Optimized Oil Return Passages
  • For Improved Flow
  • Will Accept Factory Pushrod Guide Plates
  • Rocker Studs And Accessory Bosses
  • 50 State Emissions Legal Performance
  • Optimum Spark Plug Location Reduces Heat Loss
  • 5/8 in. Thick Deck Surface
  • Machined And Assembled In The USA

Installation Instructions (PDF)

Notes

Designed for 4.060 in and larger bore diameters. Requires Edelbrock head bolt kit EDL-8561 for installation. With springs for hydraulic flat tappet cams. 350 c.i.d. engines may require notching the block for valve clearance.

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