GM LT4

The LT4 has a great reputation for performance, this is a good cylinder head all around..

• PORT SIZE: 195
• CHAMBER: 56cc
• VALVE SIZE: 2.00 / 1.55
• PRICE: N/A
• FLOW@.100: 78 / 67
• FLOW@.200: 147 / 109
• FLOW@.300: 197 / 133
• FLOW@.400: 230 / 159
• FLOW@.500: 250 / 172
• FLOW@.600: 243 / 177