Athena 2T Forged Racing Piston Kit | 66.36mm (S5F05300001A)
- Two-stroke pistons are made from 4032 silicium
- Both include 3% copper in materials for better heat resistance
- All pistons are forged using a precision heat-treatment process that allows for production tolerances of just 0.01 mm
- Forged piston tooling allows for the lightest available product
- Kit includes antiwear coated piston, rings, pin and circlips
| Compatible Vehicles | |||
| Years | Make | Make | Notes |
| 2002-2025 | Yamaha | YZ85 | |