Edelbrock Cylinder Heads

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Edelbrock Cylinder Heads_Performer RPM NHRA_170cc_Ford FE Series_72cc_Bare

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Price $725.00

Product Code: EDE-91857

Description

Technical Specs

The Edelbrock 61857 Ford FE NHRA 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. Pro-Port RAW is the only head designed specifically to accommodate almost any CNC port shape, size or location. 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. This head features the use of Hot Isostatic Pressing (or HIP) Process.

Fits FE Series Engines
45cc Combustion Chamber
Bare Head
Allows Custom Port sizes and locations
Manufactured using the HIP Process
Cast and machined in the USA

In need of more air to meet your power goals? VPE offers complete porting services for intake manifolds and cylinder heads.

https://www.p65warnings.ca.gov/

Item Code	EDE-61857
Vendor	Edelbrock
Product Type	Cylinder Heads
Product Model	Performer RPM
CARB EO Number	No
Material	A356 Aluminum
Deck Thickness	.625
Assembled	Bare Head
Combustion Chamber Shape	Kidney
Combustion Chamber Volume	45
Intake Port Volume (cc)	Application Specific
Exhaust Port Volume (cc)	Application Specific
Combustion Chamber CNC	No
Intake Port CNC (cc)	No
Exhaust Port CNC (cc)	No
Spark Plug Style	Angle
Intake Port Shape	Rectangular
Intake Port Location	Application Specific
Intake Valves	Application Specific
Intake Stem Diameter	Application Specific
Intake Valve Angle (degrees)	13
Exhaust Port Shape	Square
Exhaust Port Location	Application Specific
Exhaust Valves	1.660
Exhaust Stem Diameter	Application Specific
Exhaust Valve Angle (degrees)	13
Camshaft Type	Application Specific
Valve Spring Diameter	Application Specific
Valve Spring Type	Application Specific
Damper	Application Specific
Maximum Lift	Application Specific
Retainer Material	Application Specific
Valve Lock Type	Application Specific
Valve Guide Material	Manganese Bronze
Valve Seat Material	Ductile Iron
Valve Seat Machining	Application Specific
Valve Stem Seal Type	Application Specific
Rocker Studs	N/A
Guideplates	N/A
Guideplate Pushrod Size	Application Specific
Drilled Steam Holes	No
Oiling	Through Head
Heat Crossover	No
Quantity	Sold Individually (ea)
Valve Cover	Perimeter Bolt
Block	FE Series
Notes:	Bare heads will have valve guides and seats installed, but will require final sizing and a valve job to match the valves you will be using. Edelbrock stud kit EDL-6009 provides better rocker shaft retention and is highly recommended for use with Edelbrock FE heads. It eliminates wearing of the threads and the possibility of bottoming the rocker shaft bolts in the head. Heads have the 16-bolt 428 Cobra Jet exhaust flange bolt pattern.

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