Breakout Star 4p Pro 156v2 Cnc Head Certified [CL9Z7lgy]

Next-Gen Breakout Star 4p Pro 156v2 Cnc Head Certified [CL9Z7lgy]

The Breakout Star 4p Pro 156v2 Cnc Head Certified [CL9Z7lgy] is the pinnacle of cylinder head technology, designed for street car enthusiasts seeking unparalleled performance and quality. This head builds upon the legacy of the original Pro 156, which redefined entry-level street cylinder heads with its exceptional airflow and industry-leading quality. The latest version takes this to the next level, boasting improved airflow across the entire lift range, from top to bottom. With its precision CNC porting and cutting-edge NEWEN Fixed Turning technology, the Pro 156v2 delivers a 360 CFM airflow on a stock size valve, offering maximum flexibility for various valve timing and cam configurations.

Technical Specifications and Advantages

The Pro 156v2 CNC Head is a marvel of engineering, featuring CNC-ported intake and exhaust ports with OEM guides left in for easy porting. It undergoes a precision CNC valve job using the latest NEWEN Fixed Turning technology, ensuring a perfect finish. The head is also resurfaced for optimal performance. Notably, it does not include valves, allowing for custom valve selection and installation. This head is tailored for all motor street and race applications, including Outlaw Turbo, Turbo Street, and Road Race scenarios. Its suitability extends to engines ranging from 2.0-2.4L for road race engines and 2.4-2.7L for drag race engines, providing a broad powerband and serving as an alternative to larger valve 163 heads.

Practical Applications and Benefits

The Breakout Star 4p Pro 156v2 Cnc Head Certified [CL9Z7lgy] is a versatile component suitable for a wide range of engines and driving conditions. Its 360 CFM airflow ensures a powerful and responsive performance, especially in camshafts that lift throughout the popular range. The slow-cut precision 5-axis CNC porting guarantees a second-to-none machining quality. The 45-degree valve job is designed for longevity and durability, while the unique power-producing exhaust port design enhances overall performance. Additional features include optional full-length bronze manganese valve guides for valve stability and extra thick port walls for high boost applications. Each head is shipped with installation tips, clearances charts, and a flow chart for your convenience.