GM 441
This is about the most basic gm cylinder head and has the lowest flow numbers of any I have listed. Some porting would have to be done to make these head.
s work.
- PORT SIZE: 155
- CHAMBER: 76cc
- VALVE SIZE: 1.94 / 1.5
- PRICE: N/A
- FLOW@.100: 55 / 45
- FLOW@.200: 110 / 80
- FLOW@.300: 160 / 112
- FLOW@.400: 194 / 127
- FLOW@.500: 201 / 136
- FLOW@.600: 203 / 139