Anyone know how good these heads are? How about with a minor port and polish?
they have 180cc runners and a 58cc combustion chamber. the springs are dual 125# springs at 1.437"
The valves are 1.94 intake and 1.6 exhaust
thanks
they have 180cc runners and a 58cc combustion chamber. the springs are dual 125# springs at 1.437"
The valves are 1.94 intake and 1.6 exhaust
thanks