- New cam lobe designs allow maximum performance for Evolution engines
- Give great throttle response and mid-range with excellent high-rpm power
- Fast opening and closing gives better airflow with the lift and duration used
- Xtreme Energy cams require valve springs designed for high-lift cams
- All cams made from SAE 6150 bearing-quality steel for durability and include the cam gear
- Made in the U.S.A.
- Low-end and mid-range power for heavy bikes; 1500-5500 RPM