engine heads and blocks
E-CNC Big-Block Chevy Rectangle Port Cylinder Head Hydraulic Roller
$2,871
Made to order
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Free freight ≥ $999 · $40 flat below
About this part
The Edelbrock part #79559 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 118cc - Equipped with valve springs for use in hydraulic roller applications
Specifications
| WIDTH | 11 |
|---|---|
| HEIGHT | 8.5 |
| LENGTH | 24.75 |
| PROP65 | |
| WEIGHT | 44 |
| WARRANTY | 12 Months |
| EMISSIONS | EPA Eligible |
| ATTRIBUTES | Material:Aluminum;Valve Spring Retainers Included:Yes;Valve Locks Included:Yes;Exhaust Runner Volume:129 CCM;Valve Lock Material:Chromoly Steel;Rocker Arms Included:No;Cylinder Head Gasket Included:No;Valve Cover Gasket Included:No;Rocker Arm Studs/Bolts Included:Yes;Mounting Hardware Included:No;Assembled:Yes;Grade Type:Performance;Deck Height:10.2 IN;Deck Thickness:0.625 IN;Combustion Chamber Volume:118 CCM;Intake Runner Volume:354 CCM;Intake Valve Diameter:2.300 IN;Exhaust Valve Diameter:1.88 IN;Valve Spring Diameter:1.55 IN;Valve Spring Maximum Lift:0.700 IN;Guide Plates Included:Yes;Head Casting Number:31-5145;Guide Plate Material:Chromoly Steel;Valve Springs Included:Yes;Valve Seals Included:Yes;Valves Included:Yes;Camshaft Type:Hydraulic Roller;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:354-334 CCM;Product Family:CNC;Product Series:E-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 Stem Diameter:0.3438 IN |
| PCDB CATEGORY | Engine |
| COUNTRY OF ORIGIN | US |
| PART TERMINOLOGY | Engine Cylinder Head |
| VEHICLE SPECIFIC FITMENT | Y |
| INSTALLATION INSTRUCTIONS | 79555.pdf |
Datasheet — not yet published