What is the Ward Performance SE Center-Cooled M8 +2MM CNC Porting?

The Ward Performance SE Center-Cooled M8 +2MM CNC Porting is a specialized service for customer-supplied Harley-Davidson Screamin' Eagle Center-Cooled Milwaukee-Eight cylinder heads. It enhances the factory +2MM oversized valves by reshaping the intake and exhaust ports using advanced 5-axis CNC porting to unlock exceptional airflow and combustion efficiency.

What kind of performance improvements can I expect from this SE Center-Cooled M8 porting service?

You can expect significant performance gains, including a 10% increase in intake airflow and a 5.1% increase in exhaust flow. This delivers maximum power gains, sharper throttle response, and a noticeable overall performance improvement for your engine.

What specific components or processes are involved in the SE Center-Cooled M8 +2MM CNC Porting?

This service focuses on reshaping the intake and exhaust ports using 5-axis CNC machining. While the factory heads already feature +2MM oversized valves, our process refines the porting for optimal airflow. We also offer lightweight titanium valve options for higher RPM potential and ensure meticulous machining and flow testing.

Is the Ward Performance SE Center-Cooled M8 +2MM CNC Porting suitable for racing or high-performance street use?

Yes, absolutely. This porting package is designed for riders demanding peak performance, whether chasing track victories or building a high-performance street machine. It offers a powerful combination of enhanced cooling, airflow, and power, backed by years of racing expertise and engine development, to ensure your engine operates at peak performance under the most demanding conditions.

Gen. 2 SE Center-Cooled M8 +2mm CNC Heads

WARD SE Center-Cooled M8 +2MM CNC PORTING

Description:

Our SE Center-Cooled M8 +2MM CNC Porting service is designed for riders demanding peak performance and superior cooling efficiency. While these heads come equipped from the factory with +2MM oversized valves, we take things further by reshaping the intake and exhaust ports using advanced 5-axis CNC porting to unlock exceptional airflow and combustion efficiency. This package is ideal for both high-compression builds and high-stress riding, delivering the performance gains serious riders demand.

The upgrade features +2MM oversized stainless steel or titanium valves, offering durability for long-term performance or lightweight options for higher RPM potential. Through extensive port refinement and flow testing, this package ensures maximum power gains, sharper throttle response, and a noticeable improvement in overall performance.

At Ward Performance, every head undergoes rigorous testing and precision machining to meet exacting standards. Each valve guide and gasket surface is carefully machined for perfect sealing and optimal performance. With this SE Center-Cooled +2MM CNC Porting package, you can expect a 10% increase in intake airflow and a 5.1% increase in exhaust flow, giving your engine the edge it needs to outperform the competition.

Whether you're chasing track victories or building a high-performance street machine, the SE Center-Cooled M8 +2MM CNC Porting offers a powerful combination of enhanced cooling, airflow, and power. Backed by years of racing expertise and engine development, this upgrade ensures your engine operates at peak performance under the most demanding conditions.

- +2MM oversized stainless steel or titanium valves: These valves, 2mm larger than standard M8 valves, are available in stainless steel for durability or titanium for lightweight, high-RPM performance.
- Extensive 5-axis CNC porting: Reshaped and optimized intake and exhaust ports to enhance airflow and power output, delivering noticeable improvements over the stock SE port design.
- New bronze valve guides: Installed on both intake and exhaust sides to ensure smooth valve movement, increased durability, and excellent heat resistance.
- Re-machined head gasket surface: Ensures a perfect seal and compatibility with your engine setup, maximizing performance and reliability.
- High-lift spring kits (.640" lift): Available in both steel and titanium to match your build’s specific needs, ensuring precise valve control even at high RPMs.
- Precision assembly and testing: Each head is meticulously assembled, inspected, and tested to meet Ward Performance’s high standards for fitment and performance.
- Typically, this service requires you to send in your existing cylinder heads for modification.
- Still have questions or need help deciding?
- No worries! We know performance upgrades can be a big decision, and we're here to help.
- If you're unsure about anything, don't hesitate to reach out to us or visit our FAQ page for more information. We're just a message away and ready to assist!

Start Your Order For +2mm SE Center-Cooled M8 Heads

Performance Bronze Valve Guides

High-performance bronze guides are used for durability and precise valve movement.
Multi-radius Competition Valve Job

Ensures a smooth transition from the valve seat to the inner port, maximizing airflow and enhancing performance.
High-lift spring kits (.640" lift)

Available in steel or titanium, engineered for optimal valve control in high-performance applications.
Re-machining of head gasket surface

Ensures perfect sealing and compatibility with your engine setup.