E-CNC 185 S/B CHEVY FEATURES: Features fully CNC machined intake ports, combustion chambers and exhaust ports for improved performance. Maintains the stock 23° valve angle and intake flange bolt pattern for use with 1986 and earlier intake manifolds. Delivers up to 30+ horsepower over Performer RPM Cylinder Heads. Ideal for high performance street and light duty racing applications.
E-CNC 185 S/B CHEVY FEATURES: Features fully CNC machined intake ports, combustion chambers and exhaust ports for improved performance. Maintains the stock 23° valve angle and intake flange bolt pattern for use with 1986 and earlier intake manifolds. Delivers up to 30+ horsepower over Performer RPM Cylinder Heads. Ideal for high performance street and light duty racing applications.