Air Flow Research AFR 3640 BBC Magnum Street Cylinder Head with 290cc Intake and 112cc Chamber

The Air Flow Research AFR 3640 Magnum Street Cylinder Head is designed for Big Block Chevy engines, offering high performance with durable aluminum construction. This assembled head features 2.250-inch intake valves and 1.880-inch exhaust valves, providing optimal airflow for enhanced engine efficiency and power output. The 290 cc intake runner volume ensures improved airflow intake capacity, contributing to increased horsepower and torque. The 112 cc combustion chamber promotes better combustion efficiency, supporting higher compression ratios and improved fuel combustion.
Built with precision, this cylinder head includes 1.550-inch valve springs to ensure reliable valve operation at high RPMs. The head features an angle plug design for better spark plug placement and ignition performance. As a pair, these heads are suitable for serious street performance applications and can be integrated into custom engine builds. The aluminum construction offers a significant weight reduction compared to cast iron counterparts, aiding in overall vehicle performance and handling.
Designed for easy installation and reliable operation, the AFR 3640 heads are ideal for enthusiasts seeking to upgrade their Big Block Chevy engines for street or racing use. These heads are not air restricted and are available for non-truck applications, making them versatile for a variety of high-performance builds. Engineered for durability and maximum airflow, the AFR Magnum heads help unlock the full potential of your engine, delivering increased power, efficiency, and reliability.

Features:

• Constructed from high-quality aluminum for durability and weight reduction

• Includes 2.250-inch intake valves and 1.880-inch exhaust valves for optimal airflow

• 290 cc intake runner volume enhances airflow capacity and power output

• 112 cc combustion chamber supports higher compression ratios

• Equipped with 1.550-inch valve springs for high RPM reliability

• Angle plug design for improved ignition performance

• Sold as a pair suitable for street and racing applications

• Designed specifically for Big Block Chevy engines