AFR BBC 325cc Marine Rectangle Port Cylinder Heads Chevy Big Block 540 2101B. This product data sheet is originally written in English. AFR Direct Master Warehouse Distributor - All AFR Products Available. AFR 325cc BBC Rectangle Cylinder Heads. AFR is proud to announce their new BBC Marine Cylinder Head! These AFR 325cc heads are designed feature partially CNC ported intake, inconel exhaust valves, hydraulic roller springs, hard coat anodizing and high quality components throughout. Recommended for more aggressive street, or street/strip builds with displacements up to 540 cubic inches, operating up to 6800 RPM. Also available with 100% CNC chambers for increased air flow (see chart). Component upgrades and machining…

AFR Direct Master Warehouse Distributor - All AFR Products Available. AFR 325cc BBC Rectangle Cylinder Heads. AFR is proud to announce their new BBC Marine Cylinder Head! These AFR 325cc heads are designed feature partially CNC ported intake, inconel exhaust valves, hydraulic roller springs, hard coat anodizing and high quality components throughout. Recommended for more aggressive street, or street/strip builds with displacements up to 540 cubic inches, operating up to 6800 RPM. Also available with 100% CNC chambers for increased air flow (see chart). Component upgrades and machining options are available to customize AFR Heads to your specific build. AFR Part # 2101B. There are many different options available for…