Performance Benefits & Key Features

AFR 165cc Renegade Street cylinder heads are designed to optimize airflow velocity and combustion efficiency, making them ideal for small to mid-range displacement engines. The 165cc intake runner volume is specifically tuned for strong low-end and mid-range torque, delivering excellent throttle response and drivability—perfect for street-focused applications.

Constructed from lightweight aluminum, these heads provide superior heat dissipation compared to traditional iron heads, helping reduce engine temperatures and improve long-term durability. Key features include CNC-machined combustion chambers and ports for consistent airflow, high-quality valve components, and precision valve angles that enhance air/fuel mixture delivery. These heads are capable of supporting builds in the 300–450+ horsepower range, depending on engine configuration.

The advanced port design promotes efficient airflow without sacrificing velocity, ensuring a balance between power and responsiveness. For enthusiasts, this translates into smoother acceleration, improved fuel efficiency, and more consistent performance across the RPM range. Whether paired with a mild camshaft or a more aggressive setup, these cylinder heads provide a noticeable performance upgrade.

Fitment, Compatibility & Applications

AFR Small Block Ford 165cc Renegade Street Aluminum Cylinder Heads are designed for compatibility with Ford 289, 302, and 351W engines, making them an excellent choice for a wide range of Ford performance builds. Their precise fitment ensures seamless integration with factory-style components as well as aftermarket intake manifolds, camshafts, and valvetrain upgrades.

Ideal for street performance, restoration builds, and daily drivers, these cylinder heads are commonly used in Mustangs, Falcons, Broncos, and classic Ford trucks. They are especially popular among enthusiasts looking to enhance performance without sacrificing drivability or reliability.

These heads are also suitable for light racing and street/strip applications where balanced power delivery is key. Their compatibility with various engine combinations allows builders to tailor their setup based on performance goals and intended use.

Backed by AFR’s reputation for precision engineering and industry-leading airflow technology, these Renegade Street cylinder heads deliver dependable, high-performance results. Explore the available options at JEGS to find the right configuration and take your small block Ford engine to the next level.