Air Flow Research SBF 1451 Small Block Ford Aluminum Cylinder Head with 220cc Intake and 58cc Chamber

The Air Flow Research SBF 1451 Cylinder Head is designed for high-performance small block Ford engines, offering exceptional airflow and durability. Constructed from lightweight aluminum, this assembled head features 2.100-inch intake valves and 1.570-inch exhaust valves, providing efficient air intake and exhaust flow. The 220cc intake runner volume and 58cc combustion chamber optimize power output and combustion efficiency, making it suitable for racing and high-performance applications. The angle plug design enhances spark plug access and improves ignition performance, contributing to overall engine responsiveness. Springs with a 1.550-inch diameter ensure reliable valve operation at high RPMs, supporting aggressive camshaft profiles and high-lift valves. This pair of cylinder heads is engineered for optimal fitment and performance on small block Ford engines, enhancing horsepower and torque while maintaining durability under demanding conditions.

Features:

• Constructed from lightweight aluminum for improved performance and weight savings

• 220cc intake runner volume designed for high airflow and power generation

• 58cc combustion chamber optimized for high compression ratios

• Includes 2.100-inch intake valves and 1.570-inch exhaust valves for efficient airflow

• Angle plug design for enhanced spark plug accessibility and ignition efficiency

• Spring diameter of 1.550 inches for high-revving valve operation

• Assembled cylinder heads ready for installation on small block Ford engines