BBC 345cc Pro-1 Head 121cc R/P 2.30/1.88 Assm

BBC 345cc Pro-1 Head 121cc R/P 2.30/1.88 Assm Cylinder Head - Pro 1 - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Straight Plug - Aluminum - Big Block Chevy - Each