Edelbrock RPM CNC Cylinder Heads 87cc Round Port

These Edelbrock #61525 Performer RPM CNC Cylinder Heads for 1962-79 389-455 c.i.d. Pontiac engines feature 2.11 intake valves and 1.60 exhaust valves. They are set up for use with a hydraulic roller cam and have the new 87cc CNC machined combustion...