- Designed and dyno proven in the USA
- Engineered by using valvetrain software
- Adds a 5% to 10% power gain
- CNC machined from 8620 billet, case hardened steel for an exact fit and lobe profile
- More bottom end and no top end loss with improved acceleration.Uses stock auto-decompression mechanism. Uses stock valve springs and rockers.For dual cam engine.Exhaust Valve Lash: 0.250 mm.Intake Valve Lash: 0.150 mm.