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The Air Flow Research (AFR) 300 CFM Magnum CNC cylinder heads are the pinnacle of performance for the Big Block Chevy platform. These heads feature massive 300cc intake runners and are fully CNC-machined to ensure maximum volumetric efficiency. If you are looking to push your engine to its absolute limit, these heads provide the airflow required to support high-horsepower builds.
These heads are designed for the builder who refuses to compromise. The large intake runners allow for massive air volume, while the precision CNC work ensures that the air-fuel mixture is optimized for maximum combustion efficiency. Whether you are running a high-compression street engine or a competitive drag racing setup, the AFR Magnum 300cc heads deliver consistent, reliable power. The inclusion of 1.625" springs means these heads are ready for aggressive camshaft profiles right out of the box. Upgrade your vehicle's performance with the best in the industry, available now at GGCRACING.
The Air Flow Research (AFR) 300 CFM Magnum CNC cylinder heads are the pinnacle of performance for the Big Block Chevy platform. These heads feature massive 300cc intake runners and are fully CNC-machined to ensure maximum volumetric efficiency. If you are looking to push your engine to its absolute limit, these heads provide the airflow required to support high-horsepower builds.
These heads are designed for the builder who refuses to compromise. The large intake runners allow for massive air volume, while the precision CNC work ensures that the air-fuel mixture is optimized for maximum combustion efficiency. Whether you are running a high-compression street engine or a competitive drag racing setup, the AFR Magnum 300cc heads deliver consistent, reliable power. The inclusion of 1.625" springs means these heads are ready for aggressive camshaft profiles right out of the box. Upgrade your vehicle's performance with the best in the industry, available now at GGCRACING.