Air Flow Research SBC 1121 Eliminator Race Aluminum Cylinder Heads with 2.100 Inch Intake and 1.600 Inch Exhaust Valves

The Air Flow Research SBC 1121 Eliminator Race Cylinder Heads are engineered for high-performance small block Chevy engines. Crafted from lightweight aluminum, these heads feature a 227 cc intake and 65 cc combustion chamber, optimizing airflow and combustion efficiency for enhanced power output. The assembled design includes 2.100-inch intake valves, 1.600-inch exhaust valves, and 1.550-inch spring heights, providing reliable valve operation at high RPMs.

Designed with an angle plug configuration, these heads facilitate easier spark plug access and improved ignition performance. The combination of advanced CNC machining and precision manufacturing ensures consistent quality and durable performance under demanding racing conditions. These heads are ideal for race cars, enthusiast builds, or any high-performance small block Chevy application seeking maximum airflow and power.

Compatible with various small block Chevy engines, these cylinder heads are suitable for applications requiring substantial airflow and robust valve train components. Whether upgrading an existing engine or building a new high-performance setup, the Air Flow Research Eliminator Race heads deliver significant horsepower gains, improved throttle response, and efficient combustion for competitive racing or spirited daily driving.

Features:

• Constructed from lightweight aluminum for durability and weight reduction

• Includes 2.100-inch intake valves and 1.600-inch exhaust valves for high airflow

• s a 227 cc intake and 65 cc chamber for optimized combustion

• Assembled heads with 1.550-inch valve springs for reliable high RPM operation

• Angle plug design for improved spark plug access and ignition performance