- High-performance, cast pistons closely match original equipment
- Engineered for the best possible heat transfer from combustion chamber to cylinder walls
- Rings are replacement for one piston
- All pistons are priced with ring(s), wrist pins and circlips
| Compatible Vehicles | |||
| Years | Make | Make | Notes |
| 1974 | Yamaha | GP433 | |
| 1972-1974 | Yamaha | SL433 | |
| 1971 | Yamaha | SS433 | |