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$1,955.95
$1,215.99
Edelbrock 79455 E-CNC 325 Cylinder Head, Aluminum, Big Block Chevy
Edelbrock 79455 E-CNC 325 Cylinder Head, Aluminum, Big Block Chevy

Edelbrock 79455 E-CNC 325 Cylinder Head, Aluminum, Big Block Chevy

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Edelbrock 79455 E-CNC 325 Cylinder Head, Aluminum, Big Block Chevy
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Edelbrock 79455 E-CNC 325 Cylinder Head, Aluminum, Big Block Chevy
Edelbrock 79455 E-CNC 325 Cylinder Head, Aluminum, Big Block Chevy
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Edelbrock estimates this item will ship on or before August 30th.
Part # 32579455
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Important Messages:

  • This item ships directly from the manufacturer. It may take an additional 10 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:
112cc
Intake Valve Diameter:
2.25"
Exhaust Valve Diameter:
1.88"
Spark Plug Style:
Angle
Finish:
Natural
Sold in Quantity:
Each
CNC-Machined Combustion Chamber:
Yes
Intake Port Location:
Standard
Intake Port Shape:
Oval
Exhaust Port Location:
Standard
Exhaust Port Shape:
Rectangle
Intake Valves Included:
Yes
Exhaust Valves Included:
Yes
Valve Spring Included:
Yes
Maximum Lift:
0.775"
Outside Diameter of Outer Spring:
1.55"
Damper Spring Included:
Yes
Number of Springs Per Valve:
Dual
Retainers Included:
Yes
Retainer Material:
Steel
Locks Included:
Yes
Lock Style:
7 Degree
Valve Stem Seal Type:
Positive Stop
Rocker Arm Studs Included:
Yes
Rocker Arms Included:
No
Rocker Arm Nuts Included:
No
Guideplates Included:
Yes
Guideplate Pushrod Size:
8-Mar"
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:
No
Intake Valve Angle:
24.5/4.4
Exhaust Valve Angle:
15.5/4.2
Intake Runner Volume:
308cc/325cc cu. in.
Exhaust Runner Volume:
133cc cu. in.
CNC-Machined Exhaust Runner:
Yes
CNC-Machined Intake Runner:
Yes
Valve Stem Seals Included:
Yes
Accessory Bolt Holes Drilled:
Yes
Valve Guides Included:
Yes
GTIN Code:
085347794553

Info

E-CNC oval port heads for big-block Chevy have a 24.5 degree x 4.4 degree intake valve angle, 15.5 degree x 4.2 degree exhaust valve angle, stock exhaust port locations and spark plug angles that have been modified to produce a smooth flame front for increased fuel efficiency and maximum power. These heads are equipped with high-quality valve springs for valve lifts up to .700in. These E-CNC heads are also treated to a full CNC porting of the combustion chambers as well as the intake and exhaust runners; this improves air-flow and overall performance potential.
  • CNC Ported To Achieve Optimal Air Flow
  • For Maximum Horsepower And Torque
  • High Quality Valve Springs
  • Modified To Increase Fuel Efficiency
  • And Maximum Power
  • Made In U.S.A.

Installation Instructions (PDF)

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