Description
Features
- Enhanced piston pin oiling slots, radial boss machining, and annular grooves for improved wrist pin lubrication
 - Lightweight piston with a tight piston wall clearance for a quieter running engine
 - Skirt coated for reduced friction and improved break in performance
 - Ring land treatment for improved ring seal and oil control
 - Double bridged forging design where noted
 - Kit includes piston, rings, wrist pin and pin locks
 
| Position | Notes | |||
|---|---|---|---|---|
| 2006-2009 | Yamaha | YZ450F | - | - | 
| 2013-2015 | Gas Gas | EC 450F | - | - |