Completely CNC machined, the Iron Eagle Pro head offers ultimate consistency and performance in an iron head. With intake ports designed to optimize fuel/air flow efficiency and combustion chambers that offer a more complete and rapid burn, these heads are perfect for demanding big inch small block performance applications.

Features:
- Bolt on compatibility: Standard valve angle and spacing are retained to allow use of off the shelf pistons and valve train components.

- Fully CNC machined 227cc intake ports produce excellent airflow and fuel suspension characteristics.

- Hardened exhaust seats are compatible with unleaded gasoline.

- Manganese bronze intake valve guides and phosphorous bronze exhaust valve guides extend cylinder head life.

- Spark plug holes are machined for gasketed 3/4" reach plugs.

- All cylinder heads sold individually.