GM 156

These are really not worth using in a performance application..

• PORT SIZE: 195
• CHAMBER: 115cc
• VALVE SIZE: 2.06 / 1.72
• PRICE: N/A
• FLOW@.100: 54 / 35
• FLOW@.200: 123 / 87
• FLOW@.300: 184 / 121
• FLOW@.400: 222 / 147
• FLOW@.500: 226 / 168
• FLOW@.600: 226 / 174
• FLOW@.700: 227 / 176