1. AFFORDABLE AIRFLOW
No need to spend a lot of money for power-building airflow. Summit Racing Precision Cast Cylinder Heads are cast from A356 aluminum using Permanent Mold “as-cast” technology that precisely locates runners and combustion chambers for airflow that rivals CNC-ported cylinder heads. These cylinder heads are finish-assembled in the USA with top-quality components like PAC Racing Springs, ARP fasteners, one-piece 21
