Air Flow Research - BBC 325cc Alum Heads Magnum 121cc Assembled

The Air Flow Research BBC 325cc Alum Heads Magnum offers superior performance enhancements for your Big Block Chevy. This pair of cylinder heads features fully CNC ported combustion chambers, intake, and exhaust, maximizing airflow and efficiency. With 2.300” intake and 1.880” exhaust valves, and a 325cc intake port volume, these aluminum heads are perfect for both street and strip applications. The angle plug design, combined with 121cc combustion chamber volume, ensures optimum spark plug positioning for improved ignition. Ideal for engine displacements of up to 572 cubic inches, the BBC 325cc Alum Heads support a maximum RPM range of 7400-7600. With top-notch components like PAC Racing Valve Springs, Manley Steel Retainers, and ARP Rocker Studs, this product guarantees durability and peak performance for high-output builds.