AIR FLOW RESEARCH BBC 305cc Alm Cylinder Heads (Pair) Assembled 2100

AIR FLOW RESEARCH Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 117 cc Chamber - 1.625 in Springs - Angle Plug - Aluminum - Big Block Chevy - Pair.
RETANGLE PORT, PARTIALLY CNC