Pro Port Big Victor Big-Block Chevy 12 Degree Cylinder Head CNC Ported

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Edelbrock #618269 Big Victor Pro Port Cylinder Head for Big-Block Chevy has a 12 Deg intake valve angle but is otherwise identical to #777569. Requires professional porting. HIP Treated. Seats installed, Guides included but not installed.
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The Edelbrock 618269 Big Block Chevy 12deg Pro-Port Cylinder head is designed specifically for the professional cylinder head porter and engine builder. Like the other Edelbrock Cylinder head, The Pro-Port cylinder head is also cast in the USA at the state-of-the-art Edelbrock Foundry with extra-thick walls to allow for custom CNC porting. In most cases, seats and manganese-bronze valve guides are included, but not installed. Please note: This head can not be used without professional head preparation. Pro-Port RAW Features Include: - Unported versions of Edelbrock race-winning Victor Series CNC head for the professional cylinder head porter and engine builder - The Pro-Port cylinder head is cast in the USA at the state-of-the-art Edelbrock Foundry with extra-thick walls to allow for custom CNC porting - The only head designed specifically to accommodate almost any CNC port shape, size or location - Offers enough wall thickness for CNC machining to various port dimensions - In most cases seats and manganese-bronze valve guides are included - Some of the Edelbrock Pro-Port Raw Head Feature Our Special Hot Isostatic Pressing or HIP Process.



Manufacturer Edelbrock
Application Application Specific
UPC 00085347996407
Series Pro-Port
Grade Type Performance
Quantity Sold Individually
Specialty Hot Isostatic Pressing (HIP) Processing
Availability Note Available to Order
Warranty 12 Months
Seat Angle Exhaust 45 deg/Intake 45 deg
Emissions Code
Hazardous Materials Warning WARNING: This product can expose you to Lead, which is known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit
Installation Notes
  • Many other combinations of valve sizes are possible but obviously will require custom made valves. Pistons for most 12 Deg and 11 Deg heads are likely compatible but should be carefully checked for piston to valve clearance before use.
CNC Ported No
Deck Height 9.8 in
Intake Valve Diameter (Suggested) 2.45 in
Exhaust Valve Diameter (Suggested) 1.85 in
Guide Plates Included No
Material Aluminum
Valve Angle 12 deg