Ward +1MM Indian Challenger CNC Porting

Automotive engine cylinder head with four combustion chambers and intake/exhaust ports, isolated on black background.

Description:

Our Indian Challenger CNC Porting service is designed for riders seeking exceptional performance gains. Leveraging advanced 5-axis CNC technology, this service provides precision-engineered porting that significantly enhances both intake and exhaust airflow. Paired with high-temp Viton seals and high-performance valve springs, these heads deliver the power and reliability needed for both street and track applications.

At Ward Performance, every head undergoes meticulous testing to ensure perfect fitment and performance, with valve seats, guides, and gasket surfaces machined to precise tolerances for optimal sealing. Our multi-radius CNC valve job further optimizes airflow, ensuring consistent performance at all RPM ranges. This CNC porting package provides up to a 17.6% increase in intake airflow and 20.1% more exhaust flow, giving your engine the edge it needs to perform at its best.

Whether you’re chasing more power for the track or enhanced throttle response for street riding, our Indian Challenger porting package offers a top-tier performance upgrade backed by years of racing and engine development expertise.

    • Disassembly, Inspection, and Cleaning: Each cylinder head is fully prepped before machining.

    • Extensive 5-Axis CNC Porting: Precision-machined ports for smoother airflow and increased power.

    • Multi-Radius CNC Valve Job: Ensures ultra-smooth transitions and optimized performance at all RPMs.

    • High Temp Viton Guide Seals: Built for durability and heat resistance, ensuring long-term reliability.

    • High-Performance .520" Lift Valve Springs: Designed to handle demanding cam applications with ease.

    • 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!

Start Your Order For +1MM Challenger Heads Online
  • Close-up of the inside of a metallic exhaust pipe, showing four circular openings with a symmetrical design.

    Performance Bronze Valve Guides

    High-performance bronze guides are used for durability and precise valve movement.

  • Close-up of a metallic engine part, showing circular chambers with machined surfaces, part of an internal engine structure.

    Multi-radius Competition Valve Job

    Ensures a smooth transition from the valve seat to the inner port, maximizing airflow and enhancing performance.

  • Close-up of a metallic engine cylinder with cooling fins around it, viewed from the top.

    High-lift spring kits (.640" lift)

    Available in steel or titanium, engineered for optimal valve control in high-performance applications.

  • Automotive engine cylinder head with four visible valves, metallic surface, and surrounding black components.

    Re-machining of head gasket surface

    Ensures perfect sealing and compatibility with your engine setup.

Automobile engine cylinder head with four valve ports and intake/exhaust passages.
Close-up of a metal engine cylinder head with visible valve seats and intake/exhaust ports.
Close-up of a metallic engine cylinder chamber.
Close-up view of a metal engine cylinder with finned cooling structure on the sides.