Description
improving air-flow & overall performance potential – These heads have a 24.5 Deg x 4.4 Deg intake valve angle, 15.5 Deg x 4.2 Deg 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 flat tappet applications The Edelbrock part #79559 Big Block Chevy E-CNC 355 cylinder head is the ultimate in performance.
These cylinder heads are 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: – These cylinder heads deliver maximum horsepower and torque in high Performance’s street and light duty racing applications – Full CNC porting of the combustion chambers, intake & exhaust runners












