GM L98

These make a good choice for a basic street motor looking to add a little more power over those of the gm cast iron heads, these are the corvette style heads. .

• PORT SIZE: 163
• CHAMBER: 58cc
• VALVE SIZE: 1.94 / 1.5
• PRICE: N/A
• FLOW@.100: 56 / 49
• FLOW@.200: 120 / 96
• FLOW@.300: 160 / 123
• FLOW@.400: 186 / 140
• FLOW@.500: 196 / 155
• FLOW@.600: 199 / 159