AIR FLOW RESEARCH BBC 290cc CNC Alum Heads Magnum 112cc O/P 3640

AIR FLOW RESEARCH Cylinder Head - Magnum Street - Assembled - 2.250 / 1.880 in Valves - 290 cc Intake - 112 cc Chamber - 1.550 in Springs - Angle Plug - Aluminum - Big Block Chevy - Pair.