Dart BBC 345cc Pro-1 Head 121cc 2.30/1.88 Assembled

Dart 19300136 Pro-1 cylinder head for Big Block Chevy. Features an assembled head, 2.300in/1.880in valves, 345 cc intake, 121 cc chamber, 1.625in springs, straight plug, made from aluminum, designed for racing builds. Enhances airflow in high-performance BBC setups. Sold as each.