WP Merlin

Excellent iron replacement heads for stock gm oval port type..

• PORT SIZE: 260
• CHAMBER: 119cc
• VALVE SIZE: 2.25 / 1.88
• PRICE: N/A
• FLOW@.100: 71 / 50
• FLOW@.200: 145 / 105
• FLOW@.300: 205 / 146
• FLOW@.400: 243 / 173
• FLOW@.500: 267 / 190
• FLOW@.600: 280 / 203
• FLOW@.700: 282 / 209
• FLOW@.800: 283 / 214