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

Sold Individually

The Edelbrock part #79555 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 0.200" 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

Manufacturer	Edelbrock
Application	Application Specific
UPC	085347795550
Series	E-CNC
Material	Aluminum
Grade Type	Performance
Quantity	Sold Individually
Guide Plate Material	Hardened Steel
Horsepower	550-750 HP
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 www.P65warnings.ca.gov.
Intake Valve Diameter	2.30 in
Intake Runner Volume	354-334 cc
Push Rod Diameter	(Suggested) 0.375 in
Rocker Stud Diameter	0.4375 in
Valve Angle	Exhaust 15.5 X 4.2 deg/Intake 24.5 x 4.4 deg
Valve Spring Diameter	1.55 in
Valve Spring Maximum Lift	0.700 in
Valve Stem Diameter	0.3438 in