Air Flow Research SBF 1399 Renegade Street/Strip Aluminum Cylinder Head with 165cc Intake and 1.900 / 1.600 Inch Valves

The Air Flow Research SBF 1399 Renegade Street/Strip aluminum cylinder head is engineered for small block Ford engines, offering optimized performance for street and strip applications. Crafted from durable aluminum, this head features a compact design with 165cc intake chambers and 58cc combustion chambers, enhancing airflow and combustion efficiency. The head is equipped with 1.900-inch intake valves and 1.600-inch exhaust valves, providing improved volumetric efficiency and power output. Its angle plug configuration allows for versatile installation and compatibility with a range of Ford engine builds, making it suitable for performance enthusiasts seeking reliable airflow and durability. The head is assembled with 1.290-inch springs designed to handle higher valve spring pressures, supporting aggressive camshaft profiles and high RPM operation. Designed without air restrictions and suitable for various vehicle setups, this pair of cylinder heads delivers increased horsepower and torque, making it a valuable upgrade for street, strip, or racing applications.

Features:

• Aluminum construction for lightweight and durability

• 165cc intake chamber for improved airflow

• 1.900-inch intake valves and 1.600-inch exhaust valves for enhanced performance

• Assembled with 1.290-inch valve springs for high RPM stability

• Angle plug design for versatile installation

• Designed for small block Ford engines, suitable for street and strip use

• Pair of cylinder heads for comprehensive upgrade