Trick Flow® PowerPort® 320 Cylinder Heads for Big Block Chevrolet

5.0 out of 5 stars 1 Customer Reviews

Perfect for high performance street/strip, racing, and marine big block Chevy engines, Trick Flow® PowerPort® 320 cylinder heads deliver exceptional mid- to high-rp

Perfect for high performance street/strip, racing, and marine big block Chevy engines, Trick Flow® PowerPort® 320 cylinder heads deliver exceptional mid- to high-rpm performance. The Fast As Cast® rectangular runners flow almost as much air as fully CNC-ported heads right out of the box. That means you'll get CNC-ported performance for about the same price as regular cast heads. The fully CNC-profiled, heart-shaped combustion chambers have CNC bowl blended valve seat transitions to promote high velocity and huge airflow volume, plus 24 degree valve angles with 4 degree side cants to further increase airflow. Other f