engine heads and blocks
E-CNC Big-Block Chevy Rectangle Port Cylinder Head Hydraulic Flat
$1,326
Made to order
Add your car with the “Your car” button in the header to check fitment.
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. 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; 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
Specifications
| WIDTH | 11 |
|---|---|
| HEIGHT | 8.5 |
| LENGTH | 24.75 |
| PROP65 | |
| WEIGHT | 44 |
| WARRANTY | 12 Months |
| EMISSIONS | EPA Eligible |
| ATTRIBUTES | Material:Aluminum;Grade Type:Performance;Push Rod Diameter:0.375 IN;Deck Height:10.2 IN;Deck Thickness:0.562 IN;Combustion Chamber Volume:118.0 CCM;Intake Runner Volume:334.0 CCM;Intake Valve Diameter:2.300 IN;Exhaust Valve Diameter:1.880 IN;Valve Spring Diameter:1.500 IN;Valve Spring Maximum Lift:0.700 IN;Guide Plates Included:Yes;Head Casting Number:31-5145;CNC Ported:Yes;Guide Plate Material:Hardened Steel;Product Family:CNC;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:0.437 IN;Valve Stem Diameter:0.341 IN |
| PCDB CATEGORY | Engine |
| COUNTRY OF ORIGIN | US |
| PART TERMINOLOGY | Engine Cylinder Head |
| VEHICLE SPECIFIC FITMENT | Y |
| INSTALLATION INSTRUCTIONS | 79559.pdf |
Datasheet — not yet published