What is the Ward Performance Twin Cam 110" CVO CNC Porting Service?

This is a specialized CNC porting service for customer-supplied Harley-Davidson Twin Cam 110" CVO engines. It is built to maximize performance both on the street and at the track by optimizing airflow and delivering precision-engineered improvements.

What performance improvements can I expect from the Twin Cam 110" CVO Porting?

This porting service delivers up to 12.1% more intake airflow and 13.4% more exhaust flow, as verified on our flow bench. These gains are achieved through advanced 5-axis CNC technology and the inclusion of oversized stainless steel 2.080-inch intake and 1.620-inch exhaust valves, resulting in enhanced throttle response and horsepower.

What makes this Twin Cam 110" CVO Porting service unique?

Our service utilizes advanced 5-axis CNC technology to meticulously shape every intake and exhaust port. Each head undergoes rigorous disassembly, inspection, and precision machining. This ensures your engine breathes freely and performs consistently at all RPM ranges, whether your goal is better street performance or a race-inspired upgrade.

How does Ward Performance ensure the quality of the Twin Cam 110" CVO Porting?

At Ward Performance, we back our CVO 110" porting with rigorous testing and meticulous attention to detail. Every cylinder head undergoes thorough disassembly, inspection, and precision machining to ensure the highest quality and optimal performance, meeting and exceeding expectations for both street and track use.

Twin Cam 110" CVO CNC Heads — Ward Performance

Twin Cam 110" CVO

Description:

Our CNC porting service for Harley-Davidson Twin Cam 110" CVO engines is built to maximize performance both on the street and at the track. Whether you’re looking to unleash more low-end torque for everyday riding or tap into high-RPM power for serious performance, this package delivers precision-engineered improvements to take your engine to the next level.

Using advanced 5-axis CNC technology, we meticulously shape every intake and exhaust port to optimize airflow, throttle response, and horsepower gains. This upgrade includes oversized stainless steel valves—2.080" intake and 1.620" exhaust—ensuring your engine breathes freely and performs consistently at all RPM ranges. Backed by rigorous testing, our CVO 110" porting delivers up to 12.1% more intake airflow and 13.4% more exhaust flow, as verified on our flow bench.

At Ward Performance, every head undergoes disassembly, inspection, and precision machining. Whether your goal is better street performance or a race-inspired upgrade, this package will meet—and exceed—your expectations.

- Disassembly, Inspection, and Cleaning: Every head is thoroughly cleaned and prepped for precision machining.
- Stainless Oversized Valves: 2.080" intake and 1.620" exhaust valves boost airflow and performance.
- Extensive 5-Axis CNC Porting: Optimized ports for maximum intake and exhaust efficiency.
- Bronze Valve Guides and Viton Seals: High-temp seals and durable guides for long-lasting reliability.
- Multi-Radius Competition Valve Job: Smooth transitions for increased airflow and efficiency across all RPMs.
- Surface Re-machining of Gasket Area: Ensures a perfect seal and optimal performance.
- High-Performance .660" Lift Valve Springs: Built to handle the demands of high-lift cam applications.
- Typically, this service requires you to send in your existing cylinder heads for modification.
- For those looking for a quicker option, we offer off-the-shelf core heads that are fully prepared and ready to ship. If you have specific custom needs, we're more than happy to accommodate—just let us know what you're looking for.
- 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!

Order Ready-to-Ship Twin Cam 110" CVO Heads Online

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 (.660" lift)

High temperature steel engineered for optimal valve control in high-performance applications.
Re-machining of head combustion chambers

Ensures perfect sealing and combustion efficiency with your engine setup.