super fast shipping
The Air Flow Research (AFR) Magnum 305cc aluminum cylinder heads are the perfect balance of performance and efficiency for your Big Block Chevy engine. Designed with a 305cc intake runner and a 121cc combustion chamber, these heads are optimized to provide excellent torque and horsepower across a broad power band. Perfect for street-performance builds that require consistent, reliable power delivery without sacrificing driveability.
These assembled cylinder heads feature high-quality components, including durable valve springs and precision-machined valves, ensuring long-lasting performance under load. The aluminum construction helps reduce overall engine weight and improves heat dissipation, which is critical for maintaining peak performance during extended driving. If you are looking to upgrade your factory heads to something that offers superior flow and modern engineering, the AFR Magnum series is the industry standard. Build your dream engine with confidence using parts from GGCRACING.
The Air Flow Research (AFR) Magnum 305cc aluminum cylinder heads are the perfect balance of performance and efficiency for your Big Block Chevy engine. Designed with a 305cc intake runner and a 121cc combustion chamber, these heads are optimized to provide excellent torque and horsepower across a broad power band. Perfect for street-performance builds that require consistent, reliable power delivery without sacrificing driveability.
These assembled cylinder heads feature high-quality components, including durable valve springs and precision-machined valves, ensuring long-lasting performance under load. The aluminum construction helps reduce overall engine weight and improves heat dissipation, which is critical for maintaining peak performance during extended driving. If you are looking to upgrade your factory heads to something that offers superior flow and modern engineering, the AFR Magnum series is the industry standard. Build your dream engine with confidence using parts from GGCRACING.
