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engine heads and blocks

E-CNC Big-Block Chevy Rectangle Port Cylinder Head Hydraulic Flat

$1,315

Made to order

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About this part

The Edelbrock part #79539 Big Block Chevy E-CNC 355 cylinder head is the ultimate in performance. This cylinder head is fully CNC ported for maximum horsepower and torque making them ideal for high-performance's street and light duty racing applications. They also feature high-quality lightweight valve springs and heavy duty hardware for maximum lift and maintain the stock exhaust port location. E-CNC 355 FOR B/B CHEVY (RECTANGLE PORT) FEATURES: - This cylinder head delivers maximum horsepower and torque in high Performance's street and light duty racing applications - Full CNC porting of the combustion chambers intake & exhaust runners; improving air-flow & overall performance potential - This head has a 24.5deg x 4.4deg intake valve angle 15.5deg x 4.2deg exhaust valve angle and exhaust ports that have been raised 0.125" but are still in the stock location - Spark plug angles have been modified to produce a smooth flame front for increased fuel efficiency & maximum power - combustion chamber size of 110cc - Equipped with valve springs for use in hydraulic flat tappet applications

Specifications

Specifications for E-CNC Big-Block Chevy Rectangle Port Cylinder Head Hydraulic Flat
WIDTH11
HEIGHT8.5
LENGTH24.75
PROP65
WEIGHT44.5
WARRANTY12 Months
EMISSIONSEPA Eligible
ATTRIBUTESMaterial:Aluminum;Exhaust Runner Volume:145 CCM;Grade Type:Performance;Deck Thickness:0.625 IN;Combustion Chamber Volume:108 CCM;Intake Valve Diameter:2.30 IN;Exhaust Valve Diameter:1.88 IN;Valve Spring Diameter:1.50 IN;Valve Spring Maximum Lift:0.700 IN;Guide Plates Included:Yes;Head Casting Number:N/A;Valve Springs Included:Yes;Camshaft Type:Flat Tappet;CNC Ported:Yes;Construction Type:Complete;EGR Port:No;Exhaust Port Location:+0.200;Flange Type:Rectangle Intake;Guide Material:Manganese Bronze;Guide Plate Material:Hardened Steel;Horsepower:550-750 HJ;Intake Runner Volume:348-355 CCM;Product Family:CNC;Push Rod Diameter:(Suggested) 0.375 IN;Quantity:Sold Individually;Retainer Included:Yes;RGL: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 www.P65warnings.ca.gov.;Rocker Arm Stud Diameter:0.4375 IN;Seat Angle:Exhaust 45 deg/Intake 45 DD;Seat Material:Ductile Iron;Valve Angle:Exhaust 15.5 X 4.2 deg/Intake 24.5 x 4.4 DD;Valve Included:Yes;Valve Stem Diameter:0.3438 IN
PCDB CATEGORYEngine
COUNTRY OF ORIGINUS
PART TERMINOLOGYEngine Cylinder Head
VEHICLE SPECIFIC FITMENTY
INSTALLATION INSTRUCTIONS79539.pdf

Datasheet — not yet published