- Computer Numerical Control (CNC) from 8620 billet steel and case harden
- Designed and dyno proven in the USA
- Engineered by using valvetrain software
- Adds a 5%-10% power gain
- Designed for peak top end horsepower
- Engineered to be drop in cams that use stock valve springs (unless otherwise noted).
- Select cams feature Hot Cams Improved Throttle Design (I.T.R.) technology; these cams improve throttle response throughout the entire rpm range while providing excellent power gains through the mid-range and top-end.
- Mid range and top end gains with minor loss of low end power.
- Not for stock displacement.
- Specifically designed for Hot Rods big bore/stroker kit.
- Requires Hot Cams valve spring kit.
- Uses stock decompression mechanism.
- Intake Valve Lash: 0.200 mm.
- Exhaust Valve Lash: 0.250 mm.
| Compatible Vehicles | |||
| Years | Make | Make | Notes |
| 2001-2005 | Yamaha | Raptor 660R YFM660R | |